塔里木地块西北缘阿克苏地区新元古代冰碛岩年代与冰期事件

doi:10.19657/j.geoscience.1000-8527.2021.067

现代地质 ›› 2022, Vol. 36 ›› Issue (01): 27-47.DOI: 10.19657/j.geoscience.1000-8527.2021.067

塔里木地块西北缘阿克苏地区新元古代冰碛岩年代与冰期事件

李王鹏¹(), 王毅¹, 李慧莉¹, 张仲培¹, 刘少峰², 杨伟利¹, 蔡习尧¹, 聂海宽¹, 钱涛³, 李晓剑⁴

1. 中国石油化工股份有限公司石油勘探开发研究院,北京 100083
2. 中国地质大学(北京) 地球科学与资源学院,北京 100083
3. 中国地质科学院地质力学研究所,北京 100081
4. 东华理工大学地球科学学院,江西南昌 330013

收稿日期:2021-03-04 修回日期:2021-11-22 出版日期:2022-02-10 发布日期:2022-03-08
作者简介:李王鹏,男,博士,副研究员,1986年出生,构造地质学专业,主要从事含油气盆地构造分析及冰期事件等方面研究。Email: liwp.syky@sinopec.com。
基金资助:
国家自然科学基金项目(41902149);国家自然科学基金项目(41702238);中国石化科技部项目(P17046-3);中国地质科学院基本科研业务费项目(DZLXJK202004)

Geochronology and Glaciation of the Neoproterozoic Diamictite in Aksu Area, Northwestern Margin of the Tarim Block

LI Wangpeng¹(), WANG Yi¹, LI Huili¹, ZHANG Zhongpei¹, LIU Shaofeng², YANG Weili¹, CAI Xiyao¹, NIE Haikuan¹, QIAN Tao³, LI Xiaojian⁴

1. Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China
2. School of Earth Science and Mineral Resources, China University of Geosciences, Beijing 100083, China
3. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
4. School of Earth Sciences,East China University of Technology,Nanchang,Jiangxi 330013,China

Received:2021-03-04 Revised:2021-11-22 Online:2022-02-10 Published:2022-03-08

摘要/Abstract

摘要：

塔里木地块新元古代冰期事件等时性对比存在争议,获得可靠的新元古代冰碛岩沉积时代意义重大。塔里木地块西北缘阿克苏地区出露2套新元古代冰碛岩沉积,通过对其进行岩石学、同位素年代学、岩石地球化学等分析,明确其沉积物岩石组合特征、限定其沉积时代、讨论其古气候风化条件等。化学蚀变指数(CIA)指示研究区的2套新元古代冰碛岩代表了2次寒冷的冰川气候记录,分别为巧恩布拉克冰期和尤尔美那克冰期,其中巧恩布拉克冰期中出现2次次级冰期旋回。冰川沉积及其相邻层位的碎屑锆石U-Pb年代学数据显示,塔里木地块西北缘阿克苏地区巧恩布拉克冰期的起始年龄晚于(719±10) Ma;尤尔美那克冰期的起始年龄不会早于(685±11) Ma,其结束年龄可由南华系顶界年龄635 Ma或上覆震旦系苏盖特布拉克组内玄武岩层年龄(615±5) Ma限定。已有年代学、地球化学、沉积学等证据表明:巧恩布拉克冰期(阿克苏地区)与阿勒通沟冰期(库鲁克塔格地区)、江口冰期(华南地区)和Sturtian冰期(国际)相对应,尤尔美那克冰期(阿克苏地区)与特瑞爱肯冰期(库鲁克塔格地区)、南沱冰期(华南地区)和Marinoan冰期(国际)相对应。冰期事件、同位素年代学及地球化学数据可为塔里木地块新元古界的划分与对比提供依据。

关键词: 塔里木地块, 新元古代, 冰碛岩, 碎屑锆石, 化学蚀变指数

Abstract:

Age correlation of the Neoproterozoic glaciation events in the Tarim Block remains controversial, and obtaining reliable deposition time for the Neoproterozoic diamictite is crucial.Two sets of the Neoproterozoic diamictite were developed in Aksu area along the northwestern margin of the Tarim Block. Petrologic and whole-rock geochemical analyses and radiometric dating were conducted to define the sedimentary rock assemblages,deposition time, and paleoclimatic weathering conditions. The chemical index of alteration (CIA) indicates that the Qiaoenbrak and Yuermeinak Formations represent two distinct glaciation episodes, and two secondary glaciation events exist in the Qiaoenbrak glaciation.Detrital zircon U-Pb dating of the glacial deposits and their adjacent beds indicate that the Qiaoenbrak glaciation in Aksu started along the northwestern margin of the TarimBlock after (719±10) Ma, whilst the Yuermeinak glaciation did not start before (685±11) Ma, and its cessation timing can be constrained by the top boundary age of the Nanhua System (635 Ma) or the U-Pb age of the overlying Sinian Sugetbrak Formation basalt (615±5 Ma).Comprehensive analyses of isotope geochronology, geochemistry, and sedimentology indicate that the Qiaoenbrak glaciation (Aksu area) corresponded to the Altungol glaciation (Quruqtagh area), the Jiangkou glaciation (South China), and the Sturtian glaciation (global). Meanwhile, the Yuermeinak glaciation (Aksu area) corresponded to the Tereekan glaciation (Quruqtagh area), the Nantuo glaciation (South China), and the Marinoan glaciation (global). Glaciation, isotopic geochronology, and geochemistry can provide a basis for the division and comparison of the Neoproterozoic sequences in the Tarim Block.

Key words: Tarim Block, Neoproterozoic, diamictite, detrital zircon, chemical index of alteration

中图分类号:

李王鹏, 王毅, 李慧莉, 张仲培, 刘少峰, 杨伟利, 蔡习尧, 聂海宽, 钱涛, 李晓剑. 塔里木地块西北缘阿克苏地区新元古代冰碛岩年代与冰期事件[J]. 现代地质, 2022, 36(01): 27-47.

LI Wangpeng, WANG Yi, LI Huili, ZHANG Zhongpei, LIU Shaofeng, YANG Weili, CAI Xiyao, NIE Haikuan, QIAN Tao, LI Xiaojian. Geochronology and Glaciation of the Neoproterozoic Diamictite in Aksu Area, Northwestern Margin of the Tarim Block[J]. Geoscience, 2022, 36(01): 27-47.

图/表 11

参考文献 46

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测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ		谐和度/%
S17Y308-1	37	48	1.29	0.069 4	0.002 2	1.381 8	0.042 7	0.144 9	0.002 1	922.2	60.2	881.2	18.2	872.2	11.9		98
S17Y308-2	112	142	1.27	0.075 9	0.002 0	1.607 8	0.038 6	0.153 3	0.002 1	1 094.4	53.7	973.3	15.0	919.4	11.9		94
S17Y308-3	202	299	1.48	0.067 3	0.001 3	1.389 0	0.030 0	0.148 9	0.002 1	850.0	39.7	884.3	12.7	894.7	11.8		98
S17Y308-5	98	149	1.52	0.069 1	0.001 9	1.330 2	0.037 7	0.139 4	0.002 4	901.9	55.6	859.0	16.4	841.5	13.3		97
S17Y308-6	114	167	1.46	0.067 3	0.001 8	1.305 4	0.036 6	0.140 0	0.002 0	855.6	54.5	848.1	16.1	844.4	11.3		99
S17Y308-7	125	101	0.81	0.064 4	0.001 9	1.255 1	0.038 4	0.141 4	0.002 3	755.3	62.2	825.7	17.3	852.3	12.8		96
S17Y308-8	193	447	2.31	0.071 4	0.001 5	1.391 4	0.029 4	0.141 1	0.001 7	970.1	42.6	885.3	12.5	850.7	9.7		96
S17Y308-9	120	181	1.51	0.065 7	0.001 6	1.274 7	0.032 6	0.140 8	0.002 0	798.2	51.8	834.5	14.6	849.2	11.3		98
S17Y308-10	163	336	2.07	0.069 9	0.001 4	1.466 2	0.034 5	0.151 6	0.001 8	924.1	40.7	916.6	14.2	910.0	10.0		99
S17Y308-11	62	99	1.58	0.068 6	0.001 8	1.417 5	0.039 3	0.150 3	0.002 0	887.0	53.7	896.3	16.5	902.6	11.2		99
S17Y308-12	56	69	1.24	0.068 2	0.002 2	1.393 6	0.051 0	0.148 1	0.002 3	873.8	66.7	886.2	21.6	890.1	12.8		99
S17Y308-13	86	135	1.57	0.066 0	0.001 8	1.229 7	0.034 8	0.135 0	0.002 4	807.1	56.3	814.2	15.8	816.4	13.5		99
S17Y308-14	36	63	1.75	0.064 6	0.002 0	1.332 7	0.047 0	0.149 2	0.002 3	761.1	69.4	860.0	20.4	896.4	12.7		95
S17Y308-17	86	98	1.15	0.070 5	0.002 0	1.325 7	0.037 5	0.136 6	0.002 1	942.6	58.2	857.0	16.4	825.4	11.8		96
S17Y308-18	27	35	1.28	0.071 2	0.002 5	1.383 9	0.046 9	0.142 5	0.002 4	962.7	74.1	882.1	20.0	858.5	13.3		97
S17Y308-19	117	111	0.95	0.067 9	0.001 5	1.372 3	0.031 0	0.146 2	0.001 8	864.8	44.4	877.1	13.3	879.9	10.0		99
S17Y308-20	60	89	1.49	0.071 1	0.002 1	1.396 8	0.041 2	0.142 4	0.002 0	961.1	60.0	887.6	17.4	858.2	11.3		96
S17Y308-21	43	66	1.53	0.070 4	0.002 7	1.384 1	0.053 0	0.143 1	0.002 4	938.9	77.8	882.2	22.6	862.2	13.5		97
S17Y308-22	32	43	1.35	0.073 4	0.003 9	1.449 3	0.084 2	0.143 9	0.003 3	1 025.6	107.4	909.6	34.9	866.8	18.4		95
S17Y308-24	84	94	1.12	0.068 8	0.002 3	1.400 1	0.051 4	0.148 5	0.003 1	892.3	69.6	889.0	21.8	892.8	17.2		99
S17Y308-25	208	363	1.75	0.073 6	0.001 5	1.497 3	0.028 1	0.147 4	0.001 5	1 031.5	40.7	929.3	11.4	886.1	8.3		95
S17Y308-26	69	77	1.12	0.068 4	0.002 3	1.311 1	0.040 5	0.139 8	0.002 0	881.2	68.5	850.6	17.8	843.3	11.2		99
S17Y308-28	177	240	1.36	0.069 6	0.001 5	1.326 4	0.029 5	0.137 8	0.001 7	916.7	44.4	857.3	12.9	832.3	9.5		97
S17Y308-29	143	290	2.02	0.071 0	0.001 6	1.453 3	0.033 0	0.147 9	0.001 7	958.3	41.7	911.3	13.7	889.4	9.7		97
S17Y308-32	76	83	1.10	0.071 2	0.002 5	1.415 1	0.047 8	0.143 8	0.002 1	964.8	67.6	895.3	20.1	866.4	11.7		96
S17Y308-33	100	143	1.43	0.069 0	0.001 6	1.435 8	0.035 0	0.149 9	0.001 9	898.2	47.1	904.0	14.6	900.5	10.5		99
S17Y308-34	127	154	1.21	0.065 4	0.002 0	1.321 3	0.045 5	0.145 6	0.002 8	788.6	63.7	855.1	19.9	876.4	16.0		97
S17Y308-35	67	70	1.05	0.069 1	0.002 1	1.397 3	0.045 3	0.145 3	0.002 2	901.9	64.0	887.8	19.2	874.6	12.4		98
S17Y308-36	98	105	1.08	0.072 3	0.001 8	1.539 9	0.038 6	0.153 5	0.002 0	994.4	50.0	946.4	15.4	920.6	11.1		97
S17Y308-38	219	184	0.84	0.072 8	0.001 8	1.226 6	0.028 9	0.121 1	0.001 6	1 009.3	46.1	812.8	13.2	737.1	9.3		90
S17Y308-39	62	108	1.74	0.071 0	0.002 3	1.603 3	0.047 3	0.163 5	0.002 6	966.7	61.0	971.5	18.5	976.4	14.3		99
S17Y308-40	42	48	1.15	0.069 6	0.002 5	1.423 0	0.050 6	0.147 6	0.002 4	916.7	74.1	898.6	21.2	887.5	13.2		98
S17Y308-41	75	61	0.81	0.068 8	0.003 7	1.401 1	0.074 6	0.148 4	0.003 2	892.3	105.4	889.4	31.6	891.9	17.9		99
S17Y308-42	50	109	2.19	0.070 5	0.003 1	1.421 1	0.057 1	0.147 7	0.002 9	944.1	91.2	897.8	23.9	887.9	16.4		98
S17Y308-43	80	106	1.31	0.068 8	0.002 7	1.361 0	0.053 5	0.143 3	0.002 8	894.4	82.3	872.3	23.0	863.2	15.6		98
S17Y308-45	314	384	1.22	0.072 6	0.002 1	1.465 8	0.038 2	0.145 6	0.001 9	1 011.1	58.2	916.4	15.7	876.3	10.9		95
S17Y308-47	82	125	1.52	0.064 2	0.003 0	1.275 6	0.054 5	0.144 7	0.003 3	750.0	100.0	834.9	24.3	871.1	18.5		95
S17Y308-48	38	74	1.97	0.067 7	0.003 0	1.466 6	0.065 0	0.156 1	0.003 1	861.1	91.8	916.7	26.8	935.0	17.2		98
S17Y308-49	111	165	1.49	0.070 6	0.002 8	1.454 7	0.053 5	0.149 5	0.002 8	946.3	82.3	911.8	22.1	898.1	15.4		98
S17Y308-51	79	99	1.26	0.074 6	0.004 7	1.544 9	0.083 2	0.155 7	0.004 1	1 057.4	132.4	948.5	33.2	932.8	22.8		98
S17Y308-52	165	227	1.37	0.071 6	0.003 4	1.412 3	0.060 4	0.144 4	0.003 2	975.9	97.1	894.1	25.4	869.3	17.9		97
S17Y308-54	171	207	1.21	0.068 1	0.003 3	1.360 0	0.062 5	0.144 9	0.003 0	872.2	99.2	871.9	26.9	872.6	17.0		99
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U		±1σ	谐和度/%
S17Y308-55	31	43	1.38	0.082 8	0.006 9	1.709 7	0.138 9	0.154 6	0.005 0	1 264.8	163.0	1 012.2	52.1	926.8		27.7	91
S17Y308-58	179	341	1.90	0.075 2	0.002 9	1.420 3	0.050 6	0.138 8	0.002 9	1 073.2	77.8	897.5	21.2	837.8		16.6	93
S17Y308-59	46	92	1.99	0.081 1	0.006 1	1.415 5	0.083 8	0.134 6	0.003 5	1 233.3	115.7	895.5	35.3	814.2		19.8	90
S17Y308-60	66	314	4.75	0.062 8	0.002 7	1.054 5	0.048 4	0.121 0	0.003 2	701.9	92.6	731.1	23.9	736.1		18.3	99
S17Y308-61	53	114	2.14	0.065 8	0.004 0	1.176 2	0.063 0	0.134 3	0.003 7	1 200.0	95.4	789.5	29.4	812.3		21.2	97
S17Y308-65	312	342	1.10	0.069 4	0.002 3	1.296 0	0.042 0	0.135 4	0.002 4	922.2	73.2	843.9	18.6	818.6		13.4	96
S17Y308-66	58	86	1.49	0.069 9	0.003 3	1.518 6	0.072 8	0.159 2	0.003 3	925.6	93.5	937.9	29.3	952.4		18.1	98
S17Y308-67	64	77	1.21	0.075 2	0.003 7	1.407 0	0.065 2	0.139 9	0.003 3	1 075.9	96.8	891.9	27.5	844.3		18.5	94
S17Y308-68	52	79	1.51	0.069 1	0.003 2	1.303 8	0.064 7	0.137 2	0.003 0	902.8	95.2	847.4	28.5	828.9		17.0	97
S17Y308-69	140	131	0.94	0.067 8	0.002 6	1.372 7	0.046 7	0.149 0	0.002 7	864.8	78.5	877.3	20.0	895.1		15.3	97
S17Y308-70	119	235	1.97	0.065 7	0.002 1	1.435 6	0.043 2	0.159 3	0.002 5	798.2	68.5	903.9	18.0	952.8		13.9	94
S17Y308-71	74	73	0.99	0.070 4	0.003 8	1.381 3	0.067 5	0.145 6	0.003 0	938.9	113.9	881.0	28.8	876.5		16.9	99
S17Y308-72	112	167	1.49	0.068 7	0.002 5	1.351 1	0.044 7	0.144 5	0.002 3	900.0	75.9	868.0	19.3	870.1		13.2	99
S17Y308-73	39	69	1.77	0.065 1	0.003 4	1.260 1	0.064 3	0.142 5	0.003 1	788.9	111.1	828.0	28.9	858.9		17.6	96
S17Y308-74	169	166	0.98	0.068 4	0.002 0	1.391 2	0.041 0	0.147 5	0.002 2	881.2	61.1	885.2	17.4	887.0		12.2	99
S17Y308-75	39	64	1.63	0.068 2	0.003 2	1.283 9	0.056 9	0.138 9	0.002 6	875.9	96.3	838.6	25.3	838.2		14.8	99
S17Y308-76	32	64	2.00	0.076 0	0.003 4	1.437 1	0.058 4	0.140 5	0.002 5	1 094.4	90.3	904.5	24.3	847.7		14.2	93
S17Y308-77	53	65	1.23	0.065 9	0.002 9	1.301 3	0.058 4	0.145 5	0.003 0	1 200.0	93.4	846.3	25.8	875.6		16.7	96
S17Y308-78	88	224	2.55	0.071 2	0.001 9	1.457 7	0.044 3	0.147 2	0.002 3	962.7	55.6	913.1	18.3	885.0		12.7	96
S17Y308-79	45	56	1.24	0.073 7	0.003 7	1.360 7	0.063 1	0.137 0	0.002 9	1 035.2	101.1	872.2	27.2	827.8		16.2	94
S17Y308-80	153	292	1.91	0.070 5	0.001 6	1.468 2	0.037 6	0.150 1	0.002 3	942.6	48.1	917.4	15.5	901.5		12.8	98
S17Y308-81	141	162	1.15	0.076 1	0.002 3	1.704 3	0.054 4	0.161 0	0.002 5	1 098.2	65.3	1 010.1	20.4	962.1		14.0	95
S17Y308-82	39	62	1.57	0.065 0	0.002 7	1.095 1	0.043 5	0.121 3	0.002 4	775.9	87.0	751.0	21.1	738.3		14.0	98
S17Y308-83	40	65	1.61	0.070 5	0.002 9	1.359 7	0.054 2	0.141 5	0.002 8	942.6	88.0	871.7	23.3	853.1		15.9	97
S17Y308-84	49	63	1.29	0.069 9	0.002 6	1.364 3	0.049 5	0.142 0	0.002 8	924.1	71.3	873.7	21.3	856.0		15.9	97
S17Y308-85	23	36	1.57	0.070 2	0.003 4	1.420 6	0.068 9	0.150 1	0.003 9	1 000.0	98.2	897.6	28.9	901.5		21.7	99
S17Y308-86	50	77	1.55	0.066 3	0.002 4	1.340 1	0.051 0	0.145 9	0.002 5	816.7	77.8	863.3	22.1	877.8		13.8	98
S17Y308-87	162	210	1.30	0.069 0	0.002 1	1.320 5	0.040 3	0.137 6	0.002 4	899.7	62.2	854.8	17.6	830.9		13.6	97
S17Y308-88	49	60	1.22	0.065 5	0.002 7	1.340 6	0.053 7	0.148 9	0.002 4	790.7	85.2	863.5	23.3	895.0		13.5	96
S17Y308-89	200	256	1.28	0.068 2	0.001 8	1.325 0	0.034 5	0.140 1	0.001 9	875.9	56.6	856.7	15.1	845.0		11.0	98
S17Y308-92	170	281	1.65	0.069 7	0.001 9	1.457 5	0.040 3	0.150 1	0.002 2	920.4	56.6	913.0	16.7	901.4		12.5	98
S17Y308-93	73	76	1.04	0.066 0	0.002 5	1.223 3	0.042 3	0.135 8	0.002 6	805.6	79.6	811.3	19.3	821.0		15.0	98
S17Y308-94	268	236	0.88	0.063 0	0.001 6	1.245 2	0.031 8	0.142 3	0.002 2	705.6	53.7	821.2	14.4	857.8		12.6	95
S17Y308-95	61	85	1.40	0.067 6	0.002 5	1.322 4	0.047 9	0.141 6	0.002 4	855.2	77.8	855.6	21.0	853.5		13.4	99
S17Y308-97	53	109	2.06	0.069 0	0.002 1	1.370 7	0.039 5	0.143 4	0.002 0	899.7	62.2	876.5	16.9	864.0		11.3	98
S17Y308-98	139	163	1.17	0.070 3	0.002 3	1.209 5	0.038 5	0.123 7	0.002 0	936.1	66.7	804.9	17.7	751.6		11.5	93
S17Y308-99	121	175	1.44	0.067 0	0.001 9	1.380 9	0.039 5	0.148 4	0.002 1	835.2	59.7	880.8	16.9	892.0		12.0	98
S17Y308-100	92	112	1.22	0.069 1	0.002 6	1.311 8	0.045 7	0.137 4	0.002 2	901.9	71.3	850.9	20.1	830.0		12.6	97
S17Y308-101	460	459	1.00	0.075 3	0.002 3	1.255 6	0.034 2	0.119 1	0.002 0	1 077.5	60.0	825.9	15.4	725.3		11.6	87
S17Y308-102	201	186	0.92	0.067 5	0.002 4	1.148 7	0.040 0	0.121 5	0.001 9	853.7	68.4	776.6	18.9	739.2		11.2	95
S17Y308-103	319	499	1.56	0.066 5	0.001 9	1.104 9	0.033 2	0.118 0	0.001 8	821.9	59.3	755.7	16.0	719.1		10.3	95
S17Y308-104	226	295	1.31	0.072 1	0.004 9	1.210 8	0.039 7	0.122 0	0.002 1	990.7	140.7	805.6	18.2	742.1		12.3	91
S17Y308-105	206	267	1.30	0.069 8	0.002 8	1.163 5	0.052 1	0.118 7	0.002 5	924.1	81.9	783.6	24.4	723.3		14.4	91

测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ		谐和度/%
S17Y308-1	37	48	1.29	0.069 4	0.002 2	1.381 8	0.042 7	0.144 9	0.002 1	922.2	60.2	881.2	18.2	872.2	11.9		98
S17Y308-2	112	142	1.27	0.075 9	0.002 0	1.607 8	0.038 6	0.153 3	0.002 1	1 094.4	53.7	973.3	15.0	919.4	11.9		94
S17Y308-3	202	299	1.48	0.067 3	0.001 3	1.389 0	0.030 0	0.148 9	0.002 1	850.0	39.7	884.3	12.7	894.7	11.8		98
S17Y308-5	98	149	1.52	0.069 1	0.001 9	1.330 2	0.037 7	0.139 4	0.002 4	901.9	55.6	859.0	16.4	841.5	13.3		97
S17Y308-6	114	167	1.46	0.067 3	0.001 8	1.305 4	0.036 6	0.140 0	0.002 0	855.6	54.5	848.1	16.1	844.4	11.3		99
S17Y308-7	125	101	0.81	0.064 4	0.001 9	1.255 1	0.038 4	0.141 4	0.002 3	755.3	62.2	825.7	17.3	852.3	12.8		96
S17Y308-8	193	447	2.31	0.071 4	0.001 5	1.391 4	0.029 4	0.141 1	0.001 7	970.1	42.6	885.3	12.5	850.7	9.7		96
S17Y308-9	120	181	1.51	0.065 7	0.001 6	1.274 7	0.032 6	0.140 8	0.002 0	798.2	51.8	834.5	14.6	849.2	11.3		98
S17Y308-10	163	336	2.07	0.069 9	0.001 4	1.466 2	0.034 5	0.151 6	0.001 8	924.1	40.7	916.6	14.2	910.0	10.0		99
S17Y308-11	62	99	1.58	0.068 6	0.001 8	1.417 5	0.039 3	0.150 3	0.002 0	887.0	53.7	896.3	16.5	902.6	11.2		99
S17Y308-12	56	69	1.24	0.068 2	0.002 2	1.393 6	0.051 0	0.148 1	0.002 3	873.8	66.7	886.2	21.6	890.1	12.8		99
S17Y308-13	86	135	1.57	0.066 0	0.001 8	1.229 7	0.034 8	0.135 0	0.002 4	807.1	56.3	814.2	15.8	816.4	13.5		99
S17Y308-14	36	63	1.75	0.064 6	0.002 0	1.332 7	0.047 0	0.149 2	0.002 3	761.1	69.4	860.0	20.4	896.4	12.7		95
S17Y308-17	86	98	1.15	0.070 5	0.002 0	1.325 7	0.037 5	0.136 6	0.002 1	942.6	58.2	857.0	16.4	825.4	11.8		96
S17Y308-18	27	35	1.28	0.071 2	0.002 5	1.383 9	0.046 9	0.142 5	0.002 4	962.7	74.1	882.1	20.0	858.5	13.3		97
S17Y308-19	117	111	0.95	0.067 9	0.001 5	1.372 3	0.031 0	0.146 2	0.001 8	864.8	44.4	877.1	13.3	879.9	10.0		99
S17Y308-20	60	89	1.49	0.071 1	0.002 1	1.396 8	0.041 2	0.142 4	0.002 0	961.1	60.0	887.6	17.4	858.2	11.3		96
S17Y308-21	43	66	1.53	0.070 4	0.002 7	1.384 1	0.053 0	0.143 1	0.002 4	938.9	77.8	882.2	22.6	862.2	13.5		97
S17Y308-22	32	43	1.35	0.073 4	0.003 9	1.449 3	0.084 2	0.143 9	0.003 3	1 025.6	107.4	909.6	34.9	866.8	18.4		95
S17Y308-24	84	94	1.12	0.068 8	0.002 3	1.400 1	0.051 4	0.148 5	0.003 1	892.3	69.6	889.0	21.8	892.8	17.2		99
S17Y308-25	208	363	1.75	0.073 6	0.001 5	1.497 3	0.028 1	0.147 4	0.001 5	1 031.5	40.7	929.3	11.4	886.1	8.3		95
S17Y308-26	69	77	1.12	0.068 4	0.002 3	1.311 1	0.040 5	0.139 8	0.002 0	881.2	68.5	850.6	17.8	843.3	11.2		99
S17Y308-28	177	240	1.36	0.069 6	0.001 5	1.326 4	0.029 5	0.137 8	0.001 7	916.7	44.4	857.3	12.9	832.3	9.5		97
S17Y308-29	143	290	2.02	0.071 0	0.001 6	1.453 3	0.033 0	0.147 9	0.001 7	958.3	41.7	911.3	13.7	889.4	9.7		97
S17Y308-32	76	83	1.10	0.071 2	0.002 5	1.415 1	0.047 8	0.143 8	0.002 1	964.8	67.6	895.3	20.1	866.4	11.7		96
S17Y308-33	100	143	1.43	0.069 0	0.001 6	1.435 8	0.035 0	0.149 9	0.001 9	898.2	47.1	904.0	14.6	900.5	10.5		99
S17Y308-34	127	154	1.21	0.065 4	0.002 0	1.321 3	0.045 5	0.145 6	0.002 8	788.6	63.7	855.1	19.9	876.4	16.0		97
S17Y308-35	67	70	1.05	0.069 1	0.002 1	1.397 3	0.045 3	0.145 3	0.002 2	901.9	64.0	887.8	19.2	874.6	12.4		98
S17Y308-36	98	105	1.08	0.072 3	0.001 8	1.539 9	0.038 6	0.153 5	0.002 0	994.4	50.0	946.4	15.4	920.6	11.1		97
S17Y308-38	219	184	0.84	0.072 8	0.001 8	1.226 6	0.028 9	0.121 1	0.001 6	1 009.3	46.1	812.8	13.2	737.1	9.3		90
S17Y308-39	62	108	1.74	0.071 0	0.002 3	1.603 3	0.047 3	0.163 5	0.002 6	966.7	61.0	971.5	18.5	976.4	14.3		99
S17Y308-40	42	48	1.15	0.069 6	0.002 5	1.423 0	0.050 6	0.147 6	0.002 4	916.7	74.1	898.6	21.2	887.5	13.2		98
S17Y308-41	75	61	0.81	0.068 8	0.003 7	1.401 1	0.074 6	0.148 4	0.003 2	892.3	105.4	889.4	31.6	891.9	17.9		99
S17Y308-42	50	109	2.19	0.070 5	0.003 1	1.421 1	0.057 1	0.147 7	0.002 9	944.1	91.2	897.8	23.9	887.9	16.4		98
S17Y308-43	80	106	1.31	0.068 8	0.002 7	1.361 0	0.053 5	0.143 3	0.002 8	894.4	82.3	872.3	23.0	863.2	15.6		98
S17Y308-45	314	384	1.22	0.072 6	0.002 1	1.465 8	0.038 2	0.145 6	0.001 9	1 011.1	58.2	916.4	15.7	876.3	10.9		95
S17Y308-47	82	125	1.52	0.064 2	0.003 0	1.275 6	0.054 5	0.144 7	0.003 3	750.0	100.0	834.9	24.3	871.1	18.5		95
S17Y308-48	38	74	1.97	0.067 7	0.003 0	1.466 6	0.065 0	0.156 1	0.003 1	861.1	91.8	916.7	26.8	935.0	17.2		98
S17Y308-49	111	165	1.49	0.070 6	0.002 8	1.454 7	0.053 5	0.149 5	0.002 8	946.3	82.3	911.8	22.1	898.1	15.4		98
S17Y308-51	79	99	1.26	0.074 6	0.004 7	1.544 9	0.083 2	0.155 7	0.004 1	1 057.4	132.4	948.5	33.2	932.8	22.8		98
S17Y308-52	165	227	1.37	0.071 6	0.003 4	1.412 3	0.060 4	0.144 4	0.003 2	975.9	97.1	894.1	25.4	869.3	17.9		97
S17Y308-54	171	207	1.21	0.068 1	0.003 3	1.360 0	0.062 5	0.144 9	0.003 0	872.2	99.2	871.9	26.9	872.6	17.0		99
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U		±1σ	谐和度/%
S17Y308-55	31	43	1.38	0.082 8	0.006 9	1.709 7	0.138 9	0.154 6	0.005 0	1 264.8	163.0	1 012.2	52.1	926.8		27.7	91
S17Y308-58	179	341	1.90	0.075 2	0.002 9	1.420 3	0.050 6	0.138 8	0.002 9	1 073.2	77.8	897.5	21.2	837.8		16.6	93
S17Y308-59	46	92	1.99	0.081 1	0.006 1	1.415 5	0.083 8	0.134 6	0.003 5	1 233.3	115.7	895.5	35.3	814.2		19.8	90
S17Y308-60	66	314	4.75	0.062 8	0.002 7	1.054 5	0.048 4	0.121 0	0.003 2	701.9	92.6	731.1	23.9	736.1		18.3	99
S17Y308-61	53	114	2.14	0.065 8	0.004 0	1.176 2	0.063 0	0.134 3	0.003 7	1 200.0	95.4	789.5	29.4	812.3		21.2	97
S17Y308-65	312	342	1.10	0.069 4	0.002 3	1.296 0	0.042 0	0.135 4	0.002 4	922.2	73.2	843.9	18.6	818.6		13.4	96
S17Y308-66	58	86	1.49	0.069 9	0.003 3	1.518 6	0.072 8	0.159 2	0.003 3	925.6	93.5	937.9	29.3	952.4		18.1	98
S17Y308-67	64	77	1.21	0.075 2	0.003 7	1.407 0	0.065 2	0.139 9	0.003 3	1 075.9	96.8	891.9	27.5	844.3		18.5	94
S17Y308-68	52	79	1.51	0.069 1	0.003 2	1.303 8	0.064 7	0.137 2	0.003 0	902.8	95.2	847.4	28.5	828.9		17.0	97
S17Y308-69	140	131	0.94	0.067 8	0.002 6	1.372 7	0.046 7	0.149 0	0.002 7	864.8	78.5	877.3	20.0	895.1		15.3	97
S17Y308-70	119	235	1.97	0.065 7	0.002 1	1.435 6	0.043 2	0.159 3	0.002 5	798.2	68.5	903.9	18.0	952.8		13.9	94
S17Y308-71	74	73	0.99	0.070 4	0.003 8	1.381 3	0.067 5	0.145 6	0.003 0	938.9	113.9	881.0	28.8	876.5		16.9	99
S17Y308-72	112	167	1.49	0.068 7	0.002 5	1.351 1	0.044 7	0.144 5	0.002 3	900.0	75.9	868.0	19.3	870.1		13.2	99
S17Y308-73	39	69	1.77	0.065 1	0.003 4	1.260 1	0.064 3	0.142 5	0.003 1	788.9	111.1	828.0	28.9	858.9		17.6	96
S17Y308-74	169	166	0.98	0.068 4	0.002 0	1.391 2	0.041 0	0.147 5	0.002 2	881.2	61.1	885.2	17.4	887.0		12.2	99
S17Y308-75	39	64	1.63	0.068 2	0.003 2	1.283 9	0.056 9	0.138 9	0.002 6	875.9	96.3	838.6	25.3	838.2		14.8	99
S17Y308-76	32	64	2.00	0.076 0	0.003 4	1.437 1	0.058 4	0.140 5	0.002 5	1 094.4	90.3	904.5	24.3	847.7		14.2	93
S17Y308-77	53	65	1.23	0.065 9	0.002 9	1.301 3	0.058 4	0.145 5	0.003 0	1 200.0	93.4	846.3	25.8	875.6		16.7	96
S17Y308-78	88	224	2.55	0.071 2	0.001 9	1.457 7	0.044 3	0.147 2	0.002 3	962.7	55.6	913.1	18.3	885.0		12.7	96
S17Y308-79	45	56	1.24	0.073 7	0.003 7	1.360 7	0.063 1	0.137 0	0.002 9	1 035.2	101.1	872.2	27.2	827.8		16.2	94
S17Y308-80	153	292	1.91	0.070 5	0.001 6	1.468 2	0.037 6	0.150 1	0.002 3	942.6	48.1	917.4	15.5	901.5		12.8	98
S17Y308-81	141	162	1.15	0.076 1	0.002 3	1.704 3	0.054 4	0.161 0	0.002 5	1 098.2	65.3	1 010.1	20.4	962.1		14.0	95
S17Y308-82	39	62	1.57	0.065 0	0.002 7	1.095 1	0.043 5	0.121 3	0.002 4	775.9	87.0	751.0	21.1	738.3		14.0	98
S17Y308-83	40	65	1.61	0.070 5	0.002 9	1.359 7	0.054 2	0.141 5	0.002 8	942.6	88.0	871.7	23.3	853.1		15.9	97
S17Y308-84	49	63	1.29	0.069 9	0.002 6	1.364 3	0.049 5	0.142 0	0.002 8	924.1	71.3	873.7	21.3	856.0		15.9	97
S17Y308-85	23	36	1.57	0.070 2	0.003 4	1.420 6	0.068 9	0.150 1	0.003 9	1 000.0	98.2	897.6	28.9	901.5		21.7	99
S17Y308-86	50	77	1.55	0.066 3	0.002 4	1.340 1	0.051 0	0.145 9	0.002 5	816.7	77.8	863.3	22.1	877.8		13.8	98
S17Y308-87	162	210	1.30	0.069 0	0.002 1	1.320 5	0.040 3	0.137 6	0.002 4	899.7	62.2	854.8	17.6	830.9		13.6	97
S17Y308-88	49	60	1.22	0.065 5	0.002 7	1.340 6	0.053 7	0.148 9	0.002 4	790.7	85.2	863.5	23.3	895.0		13.5	96
S17Y308-89	200	256	1.28	0.068 2	0.001 8	1.325 0	0.034 5	0.140 1	0.001 9	875.9	56.6	856.7	15.1	845.0		11.0	98
S17Y308-92	170	281	1.65	0.069 7	0.001 9	1.457 5	0.040 3	0.150 1	0.002 2	920.4	56.6	913.0	16.7	901.4		12.5	98
S17Y308-93	73	76	1.04	0.066 0	0.002 5	1.223 3	0.042 3	0.135 8	0.002 6	805.6	79.6	811.3	19.3	821.0		15.0	98
S17Y308-94	268	236	0.88	0.063 0	0.001 6	1.245 2	0.031 8	0.142 3	0.002 2	705.6	53.7	821.2	14.4	857.8		12.6	95
S17Y308-95	61	85	1.40	0.067 6	0.002 5	1.322 4	0.047 9	0.141 6	0.002 4	855.2	77.8	855.6	21.0	853.5		13.4	99
S17Y308-97	53	109	2.06	0.069 0	0.002 1	1.370 7	0.039 5	0.143 4	0.002 0	899.7	62.2	876.5	16.9	864.0		11.3	98
S17Y308-98	139	163	1.17	0.070 3	0.002 3	1.209 5	0.038 5	0.123 7	0.002 0	936.1	66.7	804.9	17.7	751.6		11.5	93
S17Y308-99	121	175	1.44	0.067 0	0.001 9	1.380 9	0.039 5	0.148 4	0.002 1	835.2	59.7	880.8	16.9	892.0		12.0	98
S17Y308-100	92	112	1.22	0.069 1	0.002 6	1.311 8	0.045 7	0.137 4	0.002 2	901.9	71.3	850.9	20.1	830.0		12.6	97
S17Y308-101	460	459	1.00	0.075 3	0.002 3	1.255 6	0.034 2	0.119 1	0.002 0	1 077.5	60.0	825.9	15.4	725.3		11.6	87
S17Y308-102	201	186	0.92	0.067 5	0.002 4	1.148 7	0.040 0	0.121 5	0.001 9	853.7	68.4	776.6	18.9	739.2		11.2	95
S17Y308-103	319	499	1.56	0.066 5	0.001 9	1.104 9	0.033 2	0.118 0	0.001 8	821.9	59.3	755.7	16.0	719.1		10.3	95
S17Y308-104	226	295	1.31	0.072 1	0.004 9	1.210 8	0.039 7	0.122 0	0.002 1	990.7	140.7	805.6	18.2	742.1		12.3	91
S17Y308-105	206	267	1.30	0.069 8	0.002 8	1.163 5	0.052 1	0.118 7	0.002 5	924.1	81.9	783.6	24.4	723.3		14.4	91

测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ		²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-2	77	119	0.65	0.115 1	0.002 3	5.745 1	0.118 7	0.357 5	0.004 3	1 883.3	31.3		1 938.2	17.9	1 970.1	20.7	98
S17Y301-3	80	114	0.70	0.066 4	0.001 6	1.356 6	0.033 3	0.146 3	0.001 9	816.7	48.9		870.4	14.3	880.2	10.5	98
S17Y301-4	24	39	0.61	0.063 9	0.002 5	1.255 2	0.049 9	0.141 8	0.002 3	738.9	83.3		825.8	22.5	854.7	13.0	96
S17Y301-5	209	279	0.75	0.073 6	0.003 0	1.308 4	0.035 0	0.129 1	0.001 9	1 031.5	88.0		849.4	15.4	782.5	11.1	91
S17Y301-6	158	199	0.79	0.066 1	0.001 5	1.319 1	0.030 7	0.142 7	0.001 6	809.3	47.1		854.1	13.4	859.7	9.1	99
S17Y301-7	92	126	0.73	0.063 1	0.001 7	1.183 7	0.032 4	0.134 8	0.001 8	722.2	57.4		793.0	15.1	815.1	10.4	97
S17Y301-8	65	83	0.79	0.110 6	0.002 3	5.176 7	0.111 7	0.335 9	0.004 7	1 809.3	38.3		1 848.8	18.4	1 866.8	22.9	99
S17Y301-9	63	80	0.79	0.063 7	0.001 9	1.255 4	0.033 2	0.139 7	0.002 1	731.5	30.6		825.8	15.0	843.0	11.6	97
S17Y301-10	91	97	0.94	0.062 1	0.001 8	1.152 3	0.032 9	0.133 1	0.002 0	675.9	61.1		778.3	15.5	805.5	11.4	96
S17Y301-11	191	260	0.73	0.064 5	0.001 8	1.293 8	0.036 3	0.143 3	0.002 1	766.7	59.3		843.0	16.1	863.2	11.9	97
S17Y301-12	11	25	0.45	0.064 4	0.003 6	1.350 4	0.072 8	0.153 8	0.003 6	766.7	121.3		867.7	31.5	922.3	19.9	93
S17Y301-13	88	102	0.86	0.064 1	0.002 2	1.135 5	0.036 7	0.127 1	0.001 9	746.3	72.2		770.4	17.4	771.1	10.9	99
S17Y301-14	286	193	1.48	0.065 7	0.001 7	1.224 5	0.030 1	0.134 0	0.002 0	796.0	53.7		811.9	13.7	810.6	11.3	99
S17Y301-15	256	259	0.99	0.071 5	0.001 7	1.697 4	0.042 3	0.169 4	0.002 3	972.2	48.6		1 007.5	15.9	1 009.0	12.6	99
S17Y301-16	215	247	0.87	0.066 2	0.001 5	1.267 8	0.029 3	0.137 0	0.001 9	813.0	48.1		831.4	13.1	827.6	10.8	99
S17Y301-17	185	162	1.14	0.065 3	0.001 7	1.254 7	0.032 2	0.137 9	0.002 0	783.3	55.6		825.5	14.5	833.0	11.4	99
S17Y301-18	15	32	0.46	0.063 0	0.002 9	1.304 9	0.061 0	0.149 2	0.002 8	705.6	297.2		847.9	26.9	896.6	15.6	94
S17Y301-19	48	63	0.75	0.057 0	0.003 4	0.885 8	0.045 4	0.112 6	0.002 3	500.0	131.5		644.1	24.4	687.8	13.5	93
S17Y301-20	39	55	0.71	0.066 9	0.002 8	1.305 5	0.052 2	0.141 5	0.002 5	833.0	86.3		848.2	23.0	853.2	14.2	99
S17Y301-21	11	29	0.37	0.071 2	0.003 8	1.472 7	0.072 6	0.151 8	0.003 4	962.0	141.7		919.3	29.8	911.0	19.3	99
S17Y301-22	24	45	0.53	0.066 3	0.003 4	1.423 9	0.074 3	0.156 8	0.003 7	816.7	107.9		899.0	31.1	938.9	20.8	95
S17Y301-23	31	42	0.73	0.064 0	0.003 8	1.231 8	0.066 1	0.142 4	0.003 1	742.6	124.8		815.1	30.1	858.3	17.7	94
S17Y301-24	76	102	0.75	0.062 9	0.002 2	1.271 6	0.047 0	0.144 8	0.002 4	701.9	72.1		833.1	21.0	871.5	13.6	95
S17Y301-25	56	219	0.26	0.065 6	0.001 8	1.268 5	0.035 0	0.138 3	0.002 0	794.4	55.6		831.7	15.7	835.3	11.2	99
S17Y301-26	169	178	0.95	0.064 6	0.002 3	1.127 6	0.039 6	0.126 4	0.002 2	761.1	75.9		766.6	18.9	767.5	12.5	99
S17Y301-27	34	49	0.69	0.065 9	0.003 3	1.129 1	0.049 4	0.126 6	0.003 0	805.6	106.3		767.3	23.6	768.6	17.4	99
S17Y301-28	144	142	1.02	0.066 7	0.002 5	1.255 5	0.046 3	0.136 5	0.002 3	827.8	79.6		825.9	20.8	824.7	13.0	99
S17Y301-29	59	64	0.93	0.069 0	0.003 0	1.274 1	0.052 6	0.134 0	0.002 7	898.2	89.4		834.2	23.5	810.6	15.5	97
S17Y301-30	40	60	0.66	0.064 9	0.003 3	1.318 6	0.064 7	0.149 7	0.003 3	770.1	109.3		853.9	28.3	899.5	18.6	94
S17Y301-31	110	169	0.65	0.065 6	0.002 4	1.243 0	0.042 9	0.136 4	0.002 3	794.4	77.8		820.2	19.4	824.4	12.8	99
S17Y301-32	109	254	0.43	0.069 2	0.001 9	1.366 0	0.038 5	0.140 8	0.002 1	905.6	52.8		874.4	16.5	849.2	11.9	97
S17Y301-33	64	90	0.71	0.064 5	0.002 7	1.270 0	0.047 3	0.143 0	0.002 4	766.7	54.6		832.4	21.2	861.8	13.5	96
S17Y301-34	74	118	0.62	0.068 4	0.002 3	1.275 6	0.041 1	0.135 1	0.002 3	879.6	71.4		834.9	18.4	817.1	13.3	97
S17Y301-35	46	111	0.41	0.066 2	0.002 4	1.388 1	0.048 8	0.152 0	0.002 8	813.0	70.2		883.9	20.7	912.2	15.5	96
S17Y301-36	195	230	0.85	0.065 9	0.001 8	1.167 2	0.029 6	0.127 8	0.001 7	1 200.0	57.4		785.3	13.9	775.2	9.8	98
S17Y301-37	76	92	0.83	0.069 8	0.003 1	1.243 3	0.048 6	0.132 0	0.002 7	921.9	91.2		820.4	22.0	799.5	15.3	97
S17Y301-38	56	76	0.73	0.115 3	0.003 0	5.123 9	0.137 1	0.319 4	0.004 6	1 884.9	47.4		1 840.1	22.8	1 786.8	22.4	97
S17Y301-39	137	184	0.75	0.065 6	0.002 3	1.184 6	0.041 0	0.130 8	0.002 5	794.4	72.2		793.4	19.0	792.2	14.0	99
S17Y301-40	95	145	0.66	0.113 3	0.002 7	5.285 5	0.128 9	0.335 1	0.004 7	1 853.7	42.7		1 866.5	20.9	1 863.0	22.8	99
S17Y301-41	92	108	0.85	0.066 7	0.002 6	1.177 4	0.043 3	0.128 7	0.002 4	827.8	83.3		790.1	20.2	780.3	13.5	98
S17Y301-42	67	73	0.92	0.136 5	0.003 5	7.743 8	0.212 6	0.408 2	0.006 7	2 183.0	44.4		2 201.7	24.7	2 206.9	30.5	99
S17Y301-43	77	280	0.27	0.117 6	0.002 4	5.812 7	0.128 2	0.354 6	0.004 9	1 920.4	41.7		1 948.3	19.1	1 956.4	23.3	99
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ		²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-44	102	105	0.97	0.067 1	0.002 0	1.335 6	0.042 2	0.143 8	0.002 7	842.6	64.0		861.3	18.3	866.3	15.3	99
S17Y301-45	160	111	1.44	0.064 4	0.002 4	1.008 3	0.036 9	0.112 3	0.001 8	753.7	76.7		708.0	18.7	686.2	10.3	96
S17Y301-46	33	47	0.69	0.069 5	0.002 8	1.328 0	0.052 8	0.139 2	0.002 5	922.2	83.3		858.0	23.0	840.2	14.0	97
S17Y301-47	31	75	0.42	0.066 7	0.002 1	1.319 9	0.040 7	0.142 4	0.002 1	827.8	66.7		854.5	17.8	858.5	11.7	99
S17Y301-48	125	411	0.30	0.113 8	0.002 1	5.723 6	0.107 5	0.359 9	0.004 5	1 861.4	33.2		1 934.9	16.3	1 981.9	21.2	97
S17Y301-49	80	88	0.91	0.066 7	0.002 0	1.260 5	0.038 8	0.135 8	0.002 1	827.8	61.9		828.1	17.4	820.6	11.9	99
S17Y301-50	181	293	0.62	0.066 5	0.001 5	1.278 9	0.030 0	0.137 6	0.001 9	833.3	48.1		836.4	13.4	830.8	10.5	99
S17Y301-51	237	290	0.82	0.064 2	0.001 6	1.129 4	0.027 5	0.125 9	0.001 8	746.3	51.8		767.5	13.1	764.6	10.6	99
S17Y301-53	89	124	0.72	0.113 4	0.002 4	5.391 5	0.118 0	0.339 7	0.005 0	1 855.3	37.3		1 883.5	18.8	1 885.4	23.9	99
S17Y301-54	146	155	0.94	0.064 5	0.001 6	1.135 3	0.028 1	0.126 0	0.001 6	761.1	53.7		770.3	13.4	764.9	9.2	99
S17Y301-55	16	34	0.47	0.067 4	0.002 4	1.427 7	0.051 1	0.154 4	0.003 0	850.0	75.2		900.6	21.4	925.8	17.0	97
S17Y301-56	147	436	0.34	0.065 2	0.001 4	1.239 8	0.027 2	0.136 2	0.001 7	788.9	50.2		818.8	12.3	823.3	9.8	99
S17Y301-57	48	200	0.24	0.064 5	0.001 6	1.218 3	0.030 0	0.135 2	0.001 6	766.7	51.8		809.0	13.8	817.2	9.4	98
S17Y301-58	88	103	0.86	0.064 8	0.002 5	1.018 1	0.038 7	0.112 5	0.001 7	768.5	84.3		713.0	19.5	687.5	10.0	96
S17Y301-59	74	56	1.33	0.061 4	0.002 9	0.974 7	0.047 4	0.113 6	0.002 3	653.7	101.8		690.9	24.4	693.7	13.2	99
S17Y301-60	228	310	0.74	0.070 8	0.002 0	1.342 5	0.036 8	0.135 9	0.001 8	950.0	57.4		864.3	16.0	821.2	10.0	94
S17Y301-61	51	70	0.74	0.066 3	0.002 8	1.229 5	0.051 1	0.133 9	0.002 4	816.7	88.1		814.1	23.3	810.1	13.9	99
S17Y301-62	190	299	0.64	0.075 7	0.002 2	1.553 1	0.043 5	0.147 2	0.002 0	1 087.0	57.4		951.7	17.3	885.5	11.1	92
S17Y301-63	72	84	0.86	0.068 1	0.002 4	1.291 7	0.041 7	0.137 5	0.002 1	870.1	71.1		842.1	18.5	830.6	11.9	98
S17Y301-64	74	154	0.48	0.091 5	0.002 1	3.013 0	0.072 6	0.236 2	0.003 1	1 457.7	44.4		1 410.9	18.4	1 367.0	16.1	96
S17Y301-65	183	284	0.64	0.073 4	0.001 7	1.371 1	0.030 6	0.134 5	0.001 7	1 033.3	47.7		876.6	13.1	813.5	9.5	92
S17Y301-66	185	251	0.74	0.064 2	0.001 5	1.153 6	0.025 8	0.129 5	0.001 9	746.3	48.1		778.9	12.2	784.8	10.7	99
S17Y301-67	105	140	0.75	0.064 2	0.001 6	1.132 0	0.029 5	0.126 8	0.001 7	747.8	252.8		768.7	14.1	769.8	9.6	99
S17Y301-68	44	197	0.23	0.118 8	0.002 2	5.932 3	0.109 2	0.358 3	0.003 8	1 939.2	32.9		1 966.0	16.1	1 974.0	17.9	99
S17Y301-69	170	155	1.10	0.067 6	0.002 5	1.177 3	0.044 2	0.125 3	0.002 1	855.2	69.4		790.0	20.6	760.9	12.2	96
S17Y301-70	324	368	0.88	0.071 8	0.001 6	1.362 2	0.031 2	0.136 7	0.001 8	988.9	50.9		872.8	13.4	825.9	10.3	94
S17Y301-71	11	30	0.39	0.067 4	0.002 8	1.414 9	0.058 7	0.151 8	0.002 8	850.0	117.6		895.2	24.7	911.0	15.9	98
S17Y301-72	14	34	0.40	0.064 4	0.002 8	1.262 9	0.047 3	0.144 6	0.002 6	753.7	91.8		829.2	21.2	870.5	14.6	95
S17Y301-73	26	36	0.71	0.071 5	0.004 1	1.421 3	0.066 4	0.145 7	0.003 2	972.2	118.5		897.9	27.9	876.9	18.0	97
S17Y301-74	73	103	0.71	0.064 1	0.001 7	1.156 2	0.030 0	0.129 6	0.001 8	746.3	256.5		780.2	14.1	785.4	10.1	99
S17Y301-75	4	9	0.50	0.122 1	0.005 2	5.714 6	0.233 8	0.341 7	0.006 4	1 987.4	75.3		1 933.6	35.4	1 894.7	30.8	97
S17Y301-76	72	148	0.49	0.063 7	0.001 6	1.160 4	0.028 2	0.129 8	0.001 6	731.5	51.8		782.1	13.3	787.0	9.2	99
S17Y301-77	301	238	1.27	0.063 2	0.002 3	0.993 6	0.029 0	0.112 8	0.002 5	722.2	76.7		700.5	14.8	688.8	14.8	98
S17Y301-78	244	202	1.21	0.063 8	0.006 7	1.008 9	0.036 9	0.112 3	0.002 3	744.5	222.2		708.3	18.7	686.2	13.3	96
S17Y301-79	135	128	1.05	0.065 0	0.001 9	1.173 3	0.032 6	0.128 5	0.001 9	775.9	56.5		788.2	15.2	779.2	11.0	98
S17Y301-80	71	96	0.74	0.107 8	0.002 9	5.014 6	0.126 9	0.329 7	0.005 1	1 762.0	44.0		1821.8	21.5	1 837.1	24.6	99
S17Y301-81	267	345	0.77	0.069 4	0.002 7	1.107 9	0.040 1	0.112 6	0.002 2	922.2	79.6		757.2	19.3	687.7	12.5	90
S17Y301-82	91	115	0.79	0.064 8	0.002 2	1.269 2	0.044 0	0.138 5	0.002 2	766.4	69.4		832.0	19.7	836.0	12.6	99
S17Y301-83	88	113	0.78	0.064 8	0.002 1	1.235 6	0.035 6	0.135 8	0.002 1	768.5	67.7		816.9	16.2	820.7	11.9	99
S17Y301-84	216	386	0.56	0.113 9	0.002 7	6.011 2	0.152 0	0.372 9	0.006 2	1 862.7	43.8		1 977.5	22.1	2 042.9	28.9	96
S17Y301-85	186	172	1.08	0.064 3	0.002 4	1.020 0	0.034 3	0.112 8	0.002 1	751.6	77.8		713.9	17.2	689.3	12.3	96
S17Y301-86	30	58	0.52	0.065 0	0.002 6	1.283 5	0.053 0	0.140 6	0.002 4	772.2	86.3		838.4	23.6	848.2	13.6	98
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb		±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-87	90	181	0.50	0.063 9	0.001 6	1.299 3	0.032 5	0.144 7	0.002 1	738.9		53.7	845.4	14.4	871.4	11.7	96
S17Y301-88	44	116	0.38	0.067 4	0.001 8	1.367 8	0.033 9	0.145 4	0.002 1	850.0		53.7	875.2	14.5	875.1	11.7	99
S17Y301-89	43	48	0.89	0.144 2	0.003 2	9.055 5	0.206 1	0.448 9	0.007 2	2 279.6		38.6	2 343.6	20.9	2 390.6	32.1	98
S17Y301-90	191	459	0.42	0.065 2	0.001 4	1.297 5	0.028 8	0.141 8	0.001 9	788.9		40.6	844.6	12.7	855.1	11.0	98
S17Y301-91	39	52	0.76	0.064 4	0.002 3	1.179 0	0.041 9	0.131 8	0.002 2	766.7		77.0	790.8	19.5	798.3	12.8	99
S17Y301-92	89	96	0.93	0.067 2	0.001 9	1.333 3	0.038 8	0.142 4	0.002 1	844.1		59.3	860.3	16.9	858.0	11.8	99
S17Y301-93	35	59	0.61	0.061 6	0.002 1	1.168 1	0.037 9	0.137 7	0.002 2	661.1		78.7	785.7	17.7	831.4	12.3	94
S17Y301-94	167	171	0.98	0.060 4	0.002 0	1.205 6	0.028 8	0.141 6	0.002 0	616.7		72.2	803.2	13.3	853.7	11.2	93
S17Y301-95	117	259	0.45	0.066 7	0.001 3	1.259 4	0.025 6	0.135 7	0.001 7	827.8		45.4	827.7	11.5	820.5	9.4	99
S17Y301-96	325	358	0.91	0.072 6	0.001 4	1.355 1	0.026 0	0.135 0	0.002 0	1 005.6		38.9	869.8	11.2	816.6	11.5	93
S17Y301-97	199	127	1.57	0.063 4	0.002 2	0.989 5	0.033 8	0.112 4	0.002 0	721.9		69.4	698.5	17.3	686.8	11.4	98
S17Y301-98	133	150	0.89	0.065 0	0.001 7	1.160 1	0.030 0	0.128 9	0.001 9	775.9		53.7	782.0	14.1	781.5	10.8	99
S17Y301-99	19	31	0.61	0.065 9	0.002 6	1.233 0	0.045 5	0.138 1	0.002 5	1 200.0		83.3	815.7	20.7	833.8	13.9	97

测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ		²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-2	77	119	0.65	0.115 1	0.002 3	5.745 1	0.118 7	0.357 5	0.004 3	1 883.3	31.3		1 938.2	17.9	1 970.1	20.7	98
S17Y301-3	80	114	0.70	0.066 4	0.001 6	1.356 6	0.033 3	0.146 3	0.001 9	816.7	48.9		870.4	14.3	880.2	10.5	98
S17Y301-4	24	39	0.61	0.063 9	0.002 5	1.255 2	0.049 9	0.141 8	0.002 3	738.9	83.3		825.8	22.5	854.7	13.0	96
S17Y301-5	209	279	0.75	0.073 6	0.003 0	1.308 4	0.035 0	0.129 1	0.001 9	1 031.5	88.0		849.4	15.4	782.5	11.1	91
S17Y301-6	158	199	0.79	0.066 1	0.001 5	1.319 1	0.030 7	0.142 7	0.001 6	809.3	47.1		854.1	13.4	859.7	9.1	99
S17Y301-7	92	126	0.73	0.063 1	0.001 7	1.183 7	0.032 4	0.134 8	0.001 8	722.2	57.4		793.0	15.1	815.1	10.4	97
S17Y301-8	65	83	0.79	0.110 6	0.002 3	5.176 7	0.111 7	0.335 9	0.004 7	1 809.3	38.3		1 848.8	18.4	1 866.8	22.9	99
S17Y301-9	63	80	0.79	0.063 7	0.001 9	1.255 4	0.033 2	0.139 7	0.002 1	731.5	30.6		825.8	15.0	843.0	11.6	97
S17Y301-10	91	97	0.94	0.062 1	0.001 8	1.152 3	0.032 9	0.133 1	0.002 0	675.9	61.1		778.3	15.5	805.5	11.4	96
S17Y301-11	191	260	0.73	0.064 5	0.001 8	1.293 8	0.036 3	0.143 3	0.002 1	766.7	59.3		843.0	16.1	863.2	11.9	97
S17Y301-12	11	25	0.45	0.064 4	0.003 6	1.350 4	0.072 8	0.153 8	0.003 6	766.7	121.3		867.7	31.5	922.3	19.9	93
S17Y301-13	88	102	0.86	0.064 1	0.002 2	1.135 5	0.036 7	0.127 1	0.001 9	746.3	72.2		770.4	17.4	771.1	10.9	99
S17Y301-14	286	193	1.48	0.065 7	0.001 7	1.224 5	0.030 1	0.134 0	0.002 0	796.0	53.7		811.9	13.7	810.6	11.3	99
S17Y301-15	256	259	0.99	0.071 5	0.001 7	1.697 4	0.042 3	0.169 4	0.002 3	972.2	48.6		1 007.5	15.9	1 009.0	12.6	99
S17Y301-16	215	247	0.87	0.066 2	0.001 5	1.267 8	0.029 3	0.137 0	0.001 9	813.0	48.1		831.4	13.1	827.6	10.8	99
S17Y301-17	185	162	1.14	0.065 3	0.001 7	1.254 7	0.032 2	0.137 9	0.002 0	783.3	55.6		825.5	14.5	833.0	11.4	99
S17Y301-18	15	32	0.46	0.063 0	0.002 9	1.304 9	0.061 0	0.149 2	0.002 8	705.6	297.2		847.9	26.9	896.6	15.6	94
S17Y301-19	48	63	0.75	0.057 0	0.003 4	0.885 8	0.045 4	0.112 6	0.002 3	500.0	131.5		644.1	24.4	687.8	13.5	93
S17Y301-20	39	55	0.71	0.066 9	0.002 8	1.305 5	0.052 2	0.141 5	0.002 5	833.0	86.3		848.2	23.0	853.2	14.2	99
S17Y301-21	11	29	0.37	0.071 2	0.003 8	1.472 7	0.072 6	0.151 8	0.003 4	962.0	141.7		919.3	29.8	911.0	19.3	99
S17Y301-22	24	45	0.53	0.066 3	0.003 4	1.423 9	0.074 3	0.156 8	0.003 7	816.7	107.9		899.0	31.1	938.9	20.8	95
S17Y301-23	31	42	0.73	0.064 0	0.003 8	1.231 8	0.066 1	0.142 4	0.003 1	742.6	124.8		815.1	30.1	858.3	17.7	94
S17Y301-24	76	102	0.75	0.062 9	0.002 2	1.271 6	0.047 0	0.144 8	0.002 4	701.9	72.1		833.1	21.0	871.5	13.6	95
S17Y301-25	56	219	0.26	0.065 6	0.001 8	1.268 5	0.035 0	0.138 3	0.002 0	794.4	55.6		831.7	15.7	835.3	11.2	99
S17Y301-26	169	178	0.95	0.064 6	0.002 3	1.127 6	0.039 6	0.126 4	0.002 2	761.1	75.9		766.6	18.9	767.5	12.5	99
S17Y301-27	34	49	0.69	0.065 9	0.003 3	1.129 1	0.049 4	0.126 6	0.003 0	805.6	106.3		767.3	23.6	768.6	17.4	99
S17Y301-28	144	142	1.02	0.066 7	0.002 5	1.255 5	0.046 3	0.136 5	0.002 3	827.8	79.6		825.9	20.8	824.7	13.0	99
S17Y301-29	59	64	0.93	0.069 0	0.003 0	1.274 1	0.052 6	0.134 0	0.002 7	898.2	89.4		834.2	23.5	810.6	15.5	97
S17Y301-30	40	60	0.66	0.064 9	0.003 3	1.318 6	0.064 7	0.149 7	0.003 3	770.1	109.3		853.9	28.3	899.5	18.6	94
S17Y301-31	110	169	0.65	0.065 6	0.002 4	1.243 0	0.042 9	0.136 4	0.002 3	794.4	77.8		820.2	19.4	824.4	12.8	99
S17Y301-32	109	254	0.43	0.069 2	0.001 9	1.366 0	0.038 5	0.140 8	0.002 1	905.6	52.8		874.4	16.5	849.2	11.9	97
S17Y301-33	64	90	0.71	0.064 5	0.002 7	1.270 0	0.047 3	0.143 0	0.002 4	766.7	54.6		832.4	21.2	861.8	13.5	96
S17Y301-34	74	118	0.62	0.068 4	0.002 3	1.275 6	0.041 1	0.135 1	0.002 3	879.6	71.4		834.9	18.4	817.1	13.3	97
S17Y301-35	46	111	0.41	0.066 2	0.002 4	1.388 1	0.048 8	0.152 0	0.002 8	813.0	70.2		883.9	20.7	912.2	15.5	96
S17Y301-36	195	230	0.85	0.065 9	0.001 8	1.167 2	0.029 6	0.127 8	0.001 7	1 200.0	57.4		785.3	13.9	775.2	9.8	98
S17Y301-37	76	92	0.83	0.069 8	0.003 1	1.243 3	0.048 6	0.132 0	0.002 7	921.9	91.2		820.4	22.0	799.5	15.3	97
S17Y301-38	56	76	0.73	0.115 3	0.003 0	5.123 9	0.137 1	0.319 4	0.004 6	1 884.9	47.4		1 840.1	22.8	1 786.8	22.4	97
S17Y301-39	137	184	0.75	0.065 6	0.002 3	1.184 6	0.041 0	0.130 8	0.002 5	794.4	72.2		793.4	19.0	792.2	14.0	99
S17Y301-40	95	145	0.66	0.113 3	0.002 7	5.285 5	0.128 9	0.335 1	0.004 7	1 853.7	42.7		1 866.5	20.9	1 863.0	22.8	99
S17Y301-41	92	108	0.85	0.066 7	0.002 6	1.177 4	0.043 3	0.128 7	0.002 4	827.8	83.3		790.1	20.2	780.3	13.5	98
S17Y301-42	67	73	0.92	0.136 5	0.003 5	7.743 8	0.212 6	0.408 2	0.006 7	2 183.0	44.4		2 201.7	24.7	2 206.9	30.5	99
S17Y301-43	77	280	0.27	0.117 6	0.002 4	5.812 7	0.128 2	0.354 6	0.004 9	1 920.4	41.7		1 948.3	19.1	1 956.4	23.3	99
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ		²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-44	102	105	0.97	0.067 1	0.002 0	1.335 6	0.042 2	0.143 8	0.002 7	842.6	64.0		861.3	18.3	866.3	15.3	99
S17Y301-45	160	111	1.44	0.064 4	0.002 4	1.008 3	0.036 9	0.112 3	0.001 8	753.7	76.7		708.0	18.7	686.2	10.3	96
S17Y301-46	33	47	0.69	0.069 5	0.002 8	1.328 0	0.052 8	0.139 2	0.002 5	922.2	83.3		858.0	23.0	840.2	14.0	97
S17Y301-47	31	75	0.42	0.066 7	0.002 1	1.319 9	0.040 7	0.142 4	0.002 1	827.8	66.7		854.5	17.8	858.5	11.7	99
S17Y301-48	125	411	0.30	0.113 8	0.002 1	5.723 6	0.107 5	0.359 9	0.004 5	1 861.4	33.2		1 934.9	16.3	1 981.9	21.2	97
S17Y301-49	80	88	0.91	0.066 7	0.002 0	1.260 5	0.038 8	0.135 8	0.002 1	827.8	61.9		828.1	17.4	820.6	11.9	99
S17Y301-50	181	293	0.62	0.066 5	0.001 5	1.278 9	0.030 0	0.137 6	0.001 9	833.3	48.1		836.4	13.4	830.8	10.5	99
S17Y301-51	237	290	0.82	0.064 2	0.001 6	1.129 4	0.027 5	0.125 9	0.001 8	746.3	51.8		767.5	13.1	764.6	10.6	99
S17Y301-53	89	124	0.72	0.113 4	0.002 4	5.391 5	0.118 0	0.339 7	0.005 0	1 855.3	37.3		1 883.5	18.8	1 885.4	23.9	99
S17Y301-54	146	155	0.94	0.064 5	0.001 6	1.135 3	0.028 1	0.126 0	0.001 6	761.1	53.7		770.3	13.4	764.9	9.2	99
S17Y301-55	16	34	0.47	0.067 4	0.002 4	1.427 7	0.051 1	0.154 4	0.003 0	850.0	75.2		900.6	21.4	925.8	17.0	97
S17Y301-56	147	436	0.34	0.065 2	0.001 4	1.239 8	0.027 2	0.136 2	0.001 7	788.9	50.2		818.8	12.3	823.3	9.8	99
S17Y301-57	48	200	0.24	0.064 5	0.001 6	1.218 3	0.030 0	0.135 2	0.001 6	766.7	51.8		809.0	13.8	817.2	9.4	98
S17Y301-58	88	103	0.86	0.064 8	0.002 5	1.018 1	0.038 7	0.112 5	0.001 7	768.5	84.3		713.0	19.5	687.5	10.0	96
S17Y301-59	74	56	1.33	0.061 4	0.002 9	0.974 7	0.047 4	0.113 6	0.002 3	653.7	101.8		690.9	24.4	693.7	13.2	99
S17Y301-60	228	310	0.74	0.070 8	0.002 0	1.342 5	0.036 8	0.135 9	0.001 8	950.0	57.4		864.3	16.0	821.2	10.0	94
S17Y301-61	51	70	0.74	0.066 3	0.002 8	1.229 5	0.051 1	0.133 9	0.002 4	816.7	88.1		814.1	23.3	810.1	13.9	99
S17Y301-62	190	299	0.64	0.075 7	0.002 2	1.553 1	0.043 5	0.147 2	0.002 0	1 087.0	57.4		951.7	17.3	885.5	11.1	92
S17Y301-63	72	84	0.86	0.068 1	0.002 4	1.291 7	0.041 7	0.137 5	0.002 1	870.1	71.1		842.1	18.5	830.6	11.9	98
S17Y301-64	74	154	0.48	0.091 5	0.002 1	3.013 0	0.072 6	0.236 2	0.003 1	1 457.7	44.4		1 410.9	18.4	1 367.0	16.1	96
S17Y301-65	183	284	0.64	0.073 4	0.001 7	1.371 1	0.030 6	0.134 5	0.001 7	1 033.3	47.7		876.6	13.1	813.5	9.5	92
S17Y301-66	185	251	0.74	0.064 2	0.001 5	1.153 6	0.025 8	0.129 5	0.001 9	746.3	48.1		778.9	12.2	784.8	10.7	99
S17Y301-67	105	140	0.75	0.064 2	0.001 6	1.132 0	0.029 5	0.126 8	0.001 7	747.8	252.8		768.7	14.1	769.8	9.6	99
S17Y301-68	44	197	0.23	0.118 8	0.002 2	5.932 3	0.109 2	0.358 3	0.003 8	1 939.2	32.9		1 966.0	16.1	1 974.0	17.9	99
S17Y301-69	170	155	1.10	0.067 6	0.002 5	1.177 3	0.044 2	0.125 3	0.002 1	855.2	69.4		790.0	20.6	760.9	12.2	96
S17Y301-70	324	368	0.88	0.071 8	0.001 6	1.362 2	0.031 2	0.136 7	0.001 8	988.9	50.9		872.8	13.4	825.9	10.3	94
S17Y301-71	11	30	0.39	0.067 4	0.002 8	1.414 9	0.058 7	0.151 8	0.002 8	850.0	117.6		895.2	24.7	911.0	15.9	98
S17Y301-72	14	34	0.40	0.064 4	0.002 8	1.262 9	0.047 3	0.144 6	0.002 6	753.7	91.8		829.2	21.2	870.5	14.6	95
S17Y301-73	26	36	0.71	0.071 5	0.004 1	1.421 3	0.066 4	0.145 7	0.003 2	972.2	118.5		897.9	27.9	876.9	18.0	97
S17Y301-74	73	103	0.71	0.064 1	0.001 7	1.156 2	0.030 0	0.129 6	0.001 8	746.3	256.5		780.2	14.1	785.4	10.1	99
S17Y301-75	4	9	0.50	0.122 1	0.005 2	5.714 6	0.233 8	0.341 7	0.006 4	1 987.4	75.3		1 933.6	35.4	1 894.7	30.8	97
S17Y301-76	72	148	0.49	0.063 7	0.001 6	1.160 4	0.028 2	0.129 8	0.001 6	731.5	51.8		782.1	13.3	787.0	9.2	99
S17Y301-77	301	238	1.27	0.063 2	0.002 3	0.993 6	0.029 0	0.112 8	0.002 5	722.2	76.7		700.5	14.8	688.8	14.8	98
S17Y301-78	244	202	1.21	0.063 8	0.006 7	1.008 9	0.036 9	0.112 3	0.002 3	744.5	222.2		708.3	18.7	686.2	13.3	96
S17Y301-79	135	128	1.05	0.065 0	0.001 9	1.173 3	0.032 6	0.128 5	0.001 9	775.9	56.5		788.2	15.2	779.2	11.0	98
S17Y301-80	71	96	0.74	0.107 8	0.002 9	5.014 6	0.126 9	0.329 7	0.005 1	1 762.0	44.0		1821.8	21.5	1 837.1	24.6	99
S17Y301-81	267	345	0.77	0.069 4	0.002 7	1.107 9	0.040 1	0.112 6	0.002 2	922.2	79.6		757.2	19.3	687.7	12.5	90
S17Y301-82	91	115	0.79	0.064 8	0.002 2	1.269 2	0.044 0	0.138 5	0.002 2	766.4	69.4		832.0	19.7	836.0	12.6	99
S17Y301-83	88	113	0.78	0.064 8	0.002 1	1.235 6	0.035 6	0.135 8	0.002 1	768.5	67.7		816.9	16.2	820.7	11.9	99
S17Y301-84	216	386	0.56	0.113 9	0.002 7	6.011 2	0.152 0	0.372 9	0.006 2	1 862.7	43.8		1 977.5	22.1	2 042.9	28.9	96
S17Y301-85	186	172	1.08	0.064 3	0.002 4	1.020 0	0.034 3	0.112 8	0.002 1	751.6	77.8		713.9	17.2	689.3	12.3	96
S17Y301-86	30	58	0.52	0.065 0	0.002 6	1.283 5	0.053 0	0.140 6	0.002 4	772.2	86.3		838.4	23.6	848.2	13.6	98
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma							谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb		±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y301-87	90	181	0.50	0.063 9	0.001 6	1.299 3	0.032 5	0.144 7	0.002 1	738.9		53.7	845.4	14.4	871.4	11.7	96
S17Y301-88	44	116	0.38	0.067 4	0.001 8	1.367 8	0.033 9	0.145 4	0.002 1	850.0		53.7	875.2	14.5	875.1	11.7	99
S17Y301-89	43	48	0.89	0.144 2	0.003 2	9.055 5	0.206 1	0.448 9	0.007 2	2 279.6		38.6	2 343.6	20.9	2 390.6	32.1	98
S17Y301-90	191	459	0.42	0.065 2	0.001 4	1.297 5	0.028 8	0.141 8	0.001 9	788.9		40.6	844.6	12.7	855.1	11.0	98
S17Y301-91	39	52	0.76	0.064 4	0.002 3	1.179 0	0.041 9	0.131 8	0.002 2	766.7		77.0	790.8	19.5	798.3	12.8	99
S17Y301-92	89	96	0.93	0.067 2	0.001 9	1.333 3	0.038 8	0.142 4	0.002 1	844.1		59.3	860.3	16.9	858.0	11.8	99
S17Y301-93	35	59	0.61	0.061 6	0.002 1	1.168 1	0.037 9	0.137 7	0.002 2	661.1		78.7	785.7	17.7	831.4	12.3	94
S17Y301-94	167	171	0.98	0.060 4	0.002 0	1.205 6	0.028 8	0.141 6	0.002 0	616.7		72.2	803.2	13.3	853.7	11.2	93
S17Y301-95	117	259	0.45	0.066 7	0.001 3	1.259 4	0.025 6	0.135 7	0.001 7	827.8		45.4	827.7	11.5	820.5	9.4	99
S17Y301-96	325	358	0.91	0.072 6	0.001 4	1.355 1	0.026 0	0.135 0	0.002 0	1 005.6		38.9	869.8	11.2	816.6	11.5	93
S17Y301-97	199	127	1.57	0.063 4	0.002 2	0.989 5	0.033 8	0.112 4	0.002 0	721.9		69.4	698.5	17.3	686.8	11.4	98
S17Y301-98	133	150	0.89	0.065 0	0.001 7	1.160 1	0.030 0	0.128 9	0.001 9	775.9		53.7	782.0	14.1	781.5	10.8	99
S17Y301-99	19	31	0.61	0.065 9	0.002 6	1.233 0	0.045 5	0.138 1	0.002 5	1 200.0		83.3	815.7	20.7	833.8	13.9	97

测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma						谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y309-1	126	190	0.66	0.065 5	0.002 1	1.307 4	0.045 1	0.142 8	0.002 6	790.7	66.7	849.0	19.9	860.6	14.5	98
S17Y309-2	27	138	0.19	0.125 2	0.003 1	6.443 1	0.165 7	0.368 5	0.005 6	2 032.4	44.3	2 038.2	22.6	2 022.4	26.6	99
S17Y309-3	57	53	1.06	0.068 8	0.002 9	1.348 9	0.059 6	0.141 3	0.003 0	894.4	85.2	867.1	25.8	852.1	16.8	98
S17Y309-4	13	26	0.52	0.068 2	0.004 1	1.456 1	0.088 4	0.155 0	0.003 5	873.8	125.9	912.4	36.6	929.0	19.7	98
S17Y309-5	335	242	1.39	0.065 1	0.001 9	1.078 2	0.030 3	0.119 1	0.001 9	775.9	56.5	742.8	14.8	725.4	11.1	97
S17Y309-6	161	184	0.88	0.070 6	0.001 9	1.445 1	0.041 3	0.147 3	0.002 4	946.3	56.3	907.8	17.2	885.8	13.3	97
S17Y309-7	153	280	0.55	0.066 1	0.001 7	1.272 6	0.032 6	0.138 5	0.001 9	809.3	52.9	833.6	14.6	836.0	10.6	99
S17Y309-8	20	41	0.49	0.072 6	0.003 9	1.405 0	0.075 8	0.142 8	0.003 4	1 011.1	109.3	891.1	32.0	860.4	18.9	96
S17Y309-9	26	50	0.53	0.068 4	0.003 4	1.347 9	0.058 0	0.146 2	0.003 3	883.3	106.5	866.7	25.1	879.5	18.6	98
S17Y309-10	56	76	0.73	0.066 6	0.002 8	1.297 6	0.054 8	0.141 5	0.002 5	827.8	88.9	844.7	24.2	853.0	14.3	99
S17Y309-11	41	62	0.65	0.072 6	0.003 0	1.344 1	0.053 5	0.135 0	0.002 8	1 011.1	84.1	865.0	23.2	816.0	15.7	94
S17Y309-13	142	181	0.78	0.072 3	0.002 2	1.385 6	0.041 0	0.138 2	0.002 1	994.4	61.1	882.8	17.4	834.7	11.9	94
S17Y309-14	149	170	0.87	0.067 0	0.001 9	1.236 8	0.035 9	0.132 8	0.001 9	838.9	60.0	817.4	16.3	803.9	11.0	98
S17Y309-15	213	211	1.01	0.124 8	0.002 4	6.482 3	0.133 3	0.372 4	0.004 8	2 027.8	34.4	2 043.5	18.1	2 040.7	22.6	99
S17Y309-17	87	141	0.62	0.069 0	0.002 2	1.394 3	0.045 0	0.146 0	0.002 1	898.2	66.7	886.5	19.1	878.6	12.0	99
S17Y309-18	106	209	0.51	0.071 3	0.001 8	1.351 4	0.035 5	0.136 7	0.001 9	968.5	49.1	868.2	15.3	826.0	10.9	95
S17Y309-19	119	305	0.39	0.117 6	0.002 3	5.769 2	0.116 3	0.352 9	0.004 5	1 920.4	34.3	1 941.8	17.4	1 948.5	21.4	99
S17Y309-20	136	211	0.64	0.069 3	0.001 9	1.365 8	0.042 1	0.141 1	0.002 2	909.3	56.3	874.4	18.1	850.9	12.4	97
S17Y309-21	54	53	1.01	0.117 8	0.003 2	5.601 1	0.149 2	0.345 8	0.006 0	1 924.1	49.2	1 916.3	23.0	1 914.3	29.0	99
S17Y309-22	91	116	0.78	0.067 7	0.002 1	1.319 6	0.041 2	0.141 4	0.002 4	861.1	64.8	854.4	18.0	852.4	13.3	99
S17Y309-23	185	147	1.26	0.172 1	0.003 3	11.858 5	0.240 2	0.496 7	0.006 7	2 588.9	32.4	2 593.3	19.0	2 599.5	28.7	99
S17Y309-24	206	184	1.12	0.065 8	0.001 9	1.174 8	0.033 8	0.129 4	0.001 9	799.7	61.1	788.9	15.8	784.7	11.1	99
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma						谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y309-25	132	75	1.76	0.065 5	0.003 1	1.007 7	0.047 2	0.112 1	0.002 3	790.7	106.5	00707.7	23.9	685.2	13.4	96
S17Y309-26	156	223	0.70	0.066 1	0.001 7	1.271 1	0.035 2	0.138 2	0.001 9	810.8	48.0	832.9	15.7	834.2	10.6	99
S17Y309-27	111	751	0.15	0.116 2	0.001 9	5.155 3	0.085 3	0.319 2	0.003 4	1 898.5	29.0	1 845.3	14.1	1 785.8	16.8	96
S17Y309-28	171	126	1.35	0.067 2	0.002 1	1.216 5	0.038 8	0.132 0	0.002 3	842.6	66.7	808.2	17.8	799.1	13.2	98
S17Y309-29	351	380	0.92	0.070 3	0.001 6	1.377 1	0.032 3	0.141 2	0.001 9	936.7	41.7	879.2	13.8	851.6	10.9	96
S17Y309-30	213	212	1.00	0.068 5	0.002 0	1.201 3	0.035 4	0.127 3	0.002 1	883.3	60.3	801.2	16.3	772.7	11.9	96
S17Y309-31	48	71	0.67	0.072 8	0.002 7	1.395 6	0.051 7	0.139 4	0.002 4	1 009.3	74.8	887.1	21.9	841.0	13.7	94
S17Y309-32	218	107	2.03	0.065 3	0.002 0	1.123 8	0.033 3	0.124 5	0.002 0	783.3	68.7	764.8	15.9	756.5	11.3	98
S17Y309-33	263	379	0.70	0.066 1	0.001 4	1.166 1	0.027 7	0.126 8	0.001 7	809.3	44.4	784.8	13.0	769.6	9.7	98
S17Y309-34	183	237	0.77	0.066 4	0.001 4	1.390 6	0.029 9	0.151 1	0.001 8	820.4	44.4	885.0	12.7	906.9	10.2	97
S17Y309-35	91	86	1.05	0.068 2	0.002 2	1.260 6	0.041 9	0.133 6	0.002 2	875.9	64.8	828.2	18.8	808.4	12.6	97
S17Y309-36	238	356	0.67	0.064 3	0.001 2	1.169 3	0.023 1	0.131 5	0.001 7	750.0	40.7	786.3	10.8	796.5	9.5	98
S17Y309-37	47	79	0.59	0.068 6	0.002 2	1.301 9	0.042 9	0.137 7	0.002 2	887.0	67.4	846.6	18.9	831.8	12.5	98
S17Y309-39	115	180	0.64	0.068 8	0.002 0	1.223 4	0.037 5	0.128 9	0.002 1	892.3	61.1	811.3	17.1	781.9	11.8	96
S17Y309-40	85	110	0.77	0.115 6	0.002 5	5.627 7	0.129 7	0.351 9	0.005 1	1 900.0	38.3	1 920.4	19.9	1 943.6	24.4	98
S17Y309-41	72	118	0.61	0.114 9	0.002 8	5.634 2	0.145 9	0.354 5	0.005 3	1 879.6	44.4	1 921.4	22.3	1 956.1	25.1	98
S17Y309-43	160	167	0.95	0.062 8	0.001 8	1.148 4	0.031 1	0.133 4	0.002 1	701.9	61.1	776.5	14.7	807.4	11.7	96
S17Y309-44	88	131	0.68	0.065 5	0.002 0	1.270 7	0.041 5	0.139 8	0.002 1	790.7	64.8	832.7	18.5	843.5	11.6	98
S17Y309-45	76	103	0.75	0.113 1	0.002 5	5.382 6	0.123 8	0.343 0	0.004 6	1 850.0	45.4	1 882.1	19.7	1 901.2	21.9	98
S17Y309-46	107	148	0.72	0.068 2	0.001 9	1.388 1	0.036 5	0.147 1	0.002 2	875.9	58.2	883.9	15.5	884.6	12.2	99
S17Y309-47	385	631	0.61	0.072 7	0.001 7	1.215 5	0.031 0	0.120 1	0.001 9	1 005.6	42.4	807.7	14.2	730.9	10.8	90
S17Y309-48	246	281	0.87	0.066 8	0.001 9	1.049 2	0.029 6	0.112 9	0.001 8	831.5	63.9	728.5	14.7	689.4	10.5	94
S17Y309-49	135	70	1.92	0.064 9	0.002 5	1.111 1	0.042 3	0.123 7	0.002 4	772.2	75.0	758.7	20.3	751.8	13.5	99
S17Y309-50	163	255	0.64	0.067 7	0.001 7	1.435 6	0.038 7	0.151 7	0.002 0	861.1	58.3	903.9	16.1	910.6	11.3	99
S17Y309-51	12	30	0.39	0.072 1	0.003 6	1.499 7	0.075 3	0.151 3	0.004 0	987.0	101.9	930.3	30.6	908.4	22.2	97
S17Y309-52	18	53	0.35	0.181 5	0.004 6	13.085 2	0.350 7	0.516 8	0.008 7	2 733.3	42.4	2 685.8	25.3	2 685.4	36.8	99
S17Y309-53	59	95	0.62	0.068 4	0.002 7	1.275 3	0.049 9	0.135 0	0.002 2	879.6	82.3	834.7	22.3	816.2	12.6	97
S17Y309-54	78	155	0.50	0.142 7	0.003 1	8.315 6	0.185 6	0.418 6	0.005 8	2 261.1	38.1	2 266.0	20.2	2 254.0	26.5	99
S17Y309-55	179	366	0.49	0.150 9	0.003 2	9.208 7	0.263 2	0.432 9	0.008 0	2 366.7	35.8	2 359.0	26.2	2 318.6	35.9	98
S17Y309-56	20	64	0.31	0.071 4	0.002 7	1.509 6	0.059 9	0.152 2	0.002 8	968.5	71.3	934.3	24.2	913.1	15.5	97
S17Y309-57	125	512	0.24	0.074 1	0.001 6	1.454 3	0.034 5	0.141 0	0.001 9	1 043.5	44.4	911.7	14.3	850.2	10.9	93
S17Y309-58	142	200	0.71	0.118 0	0.002 5	5.802 3	0.131 7	0.353 9	0.004 9	1 925.6	38.7	1 946.8	19.7	1 953.1	23.1	99
S17Y309-59	226	521	0.43	0.070 5	0.001 6	1.392 3	0.032 3	0.142 6	0.001 9	942.6	48.1	885.7	13.7	859.6	10.7	97
S17Y309-60	145	214	0.68	0.069 7	0.001 9	1.360 2	0.038 4	0.141 2	0.002 2	920.4	56.6	872.0	16.5	851.2	12.4	97
S17Y309-61	80	74	1.08	0.065 8	0.002 6	1.162 4	0.048 2	0.127 7	0.002 5	1 200.0	81.5	783.1	22.7	774.9	14.1	98
S17Y309-62	203	188	1.08	0.069 1	0.002 2	1.244 1	0.040 5	0.130 5	0.002 2	901.9	66.7	820.7	18.3	790.6	12.3	96
S17Y309-63	49	104	0.47	0.073 6	0.002 7	1.480 9	0.055 5	0.146 2	0.002 5	1 031.5	69.4	922.6	22.7	879.6	14.3	95
S17Y309-64	196	241	0.81	0.068 9	0.002 0	1.282 0	0.036 1	0.135 3	0.001 9	898.2	65.7	837.7	16.1	817.8	10.6	97
S17Y309-65	59	40	1.49	0.063 1	0.003 0	1.140 8	0.051 3	0.134 6	0.003 0	709.3	101.8	772.9	24.4	813.9	16.9	94
S17Y309-66	177	202	0.87	0.067 5	0.001 9	1.250 2	0.036 3	0.134 6	0.002 1	853.7	58.5	823.5	16.4	814.3	12.1	98
S17Y309-67	206	277	0.74	0.069 6	0.001 7	1.366 8	0.034 9	0.142 1	0.002 2	916.7	50.0	874.8	15.0	856.7	12.3	97
测试点	含量/10^-6		Th/U	同位素比值						年龄/Ma						谐和度/%
测试点	Th	U	Th/U	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	²⁰⁷Pb/ ²⁰⁶Pb	±1σ	²⁰⁷Pb/ ²³⁵U	±1σ	²⁰⁶Pb/ ²³⁸U	±1σ	谐和度/%
S17Y309-68	173	319	0.54	0.069 7	0.001 9	1.305 8	0.034 9	0.135 6	0.001 9	920.4	55.6	848.3	15.3	819.9	11.0	96
S17Y309-69	346	513	0.67	0.070 8	0.001 7	1.435 7	0.037 2	0.146 5	0.002 3	951.5	54.6	903.9	15.5	881.4	12.7	97
S17Y309-70	768	929	0.83	0.074 4	0.001 7	1.443 1	0.033 8	0.140 4	0.002 1	1 051.6	46.3	907.0	14.0	847.1	12.0	93
S17Y309-71	126	160	0.79	0.133 7	0.003 7	7.661 4	0.217 0	0.413 1	0.006 5	2 147.2	48.5	2 192.1	25.4	2 228.9	29.8	98
S17Y309-72	281	508	0.55	0.066 3	0.001 8	1.351 6	0.038 0	0.146 6	0.002 2	816.7	55.6	868.3	16.4	882.0	12.6	98
S17Y309-73	107	207	0.52	0.182 6	0.004 5	13.167 2	0.357 8	0.518 2	0.008 6	2 676.9	40.4	2 691.7	25.7	2 691.6	36.6	99
S17Y309-74	195	473	0.41	0.078 2	0.001 9	1.583 9	0.040 7	0.146 1	0.002 2	1 153.7	47.1	963.9	16.0	879.1	12.6	90
S17Y309-75	97	118	0.82	0.067 2	0.002 0	1.290 8	0.039 2	0.139 1	0.002 2	855.6	61.1	841.7	17.4	839.5	12.5	99
S17Y309-76	330	471	0.70	0.064 2	0.001 5	1.145 8	0.027 0	0.128 6	0.001 6	750.0	50.0	775.2	12.8	779.9	9.3	99
S17Y309-77	44	36	1.22	0.068 1	0.004 1	1.105 7	0.063 2	0.120 0	0.002 4	872.2	124.1	756.1	30.5	730.5	13.8	96
S17Y309-79	141	154	0.92	0.070 2	0.002 2	1.160 4	0.036 4	0.119 2	0.001 7	1 000.0	60.2	782.1	17.1	726.1	9.6	92
S17Y309-80	157	213	0.74	0.067 7	0.002 0	1.235 4	0.038 1	0.131 9	0.002 1	861.1	61.9	816.8	17.3	798.9	12.1	97
S17Y309-81	98	149	0.66	0.068 5	0.001 8	1.307 8	0.035 7	0.137 2	0.002 1	883.3	54.8	849.2	15.7	828.6	11.9	97
S17Y309-82	158	106	1.49	0.120 5	0.002 7	5.677 3	0.124 5	0.340 6	0.005 2	1 962.7	39.4	1 927.9	18.9	1 889.6	25.1	97
S17Y309-83	179	195	0.92	0.064 8	0.001 8	1.006 8	0.027 2	0.112 2	0.001 8	768.5	60.0	707.3	13.8	685.8	10.6	96
S17Y309-84	140	428	0.33	0.074 7	0.001 6	1.427 7	0.031 6	0.137 6	0.002 0	1 061.1	42.6	900.6	13.2	831.0	11.3	91
S17Y309-85	64	97	0.66	0.066 9	0.002 1	1.229 7	0.038 6	0.133 0	0.002 3	835.2	66.7	814.2	17.6	804.7	12.8	98
S17Y309-86	147	149	0.99	0.067 7	0.001 6	1.314 9	0.030 9	0.140 5	0.001 9	861.1	50.0	852.3	13.6	847.3	10.6	99
S17Y309-87	11	16	0.70	0.149 5	0.004 3	9.126 7	0.269 2	0.443 4	0.008 9	2 340.4	48.8	2 350.8	27.0	2 365.6	39.8	99
S17Y309-88	194	413	0.47	0.072 4	0.001 5	1.287 0	0.027 3	0.127 8	0.001 6	998.2	36.1	840.0	12.1	775.2	9.4	91
S17Y309-89	68	119	0.57	0.119 1	0.002 3	5.913 7	0.123 2	0.356 7	0.004 6	1 943.5	39.8	1 963.3	18.1	1 966.7	21.9	99
S17Y309-90	175	463	0.38	0.117 5	0.002 2	5.672 1	0.121 0	0.346 4	0.005 1	1 920.4	33.3	1 927.1	18.4	1 917.4	24.6	99
S17Y309-91	201	183	1.10	0.070 5	0.003 0	1.249 8	0.052 6	0.128 5	0.003 2	942.6	88.1	823.3	23.7	779.2	18.4	94
S17Y309-93	69	91	0.76	0.112 9	0.002 5	5.316 6	0.117 3	0.339 5	0.004 4	1 855.6	40.7	1 871.5	18.9	1 884.3	21.1	99
S17Y309-94	197	142	1.39	0.063 5	0.001 7	1.146 7	0.030 6	0.130 2	0.001 9	727.8	23.9	775.7	14.5	788.9	10.6	98
S17Y309-95	221	271	0.81	0.072 5	0.001 6	1.278 0	0.027 3	0.127 1	0.001 8	998.2	44.9	836.0	12.2	771.4	10.1	91
S17Y309-96	371	451	0.82	0.074 8	0.001 3	1.462 6	0.027 7	0.140 1	0.001 7	1 064.8	34.4	915.1	11.4	845.5	9.6	92
S17Y309-97	126	238	0.53	0.146 6	0.002 0	8.873 8	0.138 7	0.433 7	0.004 6	2 306.5	23.2	2 325.1	14.3	2 322.5	20.7	99
S17Y309-98	124	99	1.26	0.064 1	0.001 9	1.155 7	0.033 0	0.130 4	0.001 8	746.3	61.1	779.9	15.6	790.2	10.1	98
S17Y309-99	80	88	0.90	0.067 8	0.002 1	1.244 6	0.039 2	0.132 4	0.001 8	861.1	65.6	821.0	17.7	801.5	10.5	97
S17Y309-100	417	543	0.77	0.073 2	0.001 2	1.225 6	0.020 1	0.120 9	0.001 9	1 020.4	33.8	812.3	9.2	735.5	10.8	90
S17Y309-101	147	175	0.84	0.065 4	0.001 4	1.264 1	0.028 0	0.138 6	0.001 5	787.0	44.4	829.7	12.6	836.8	8.2	99
S17Y309-102	365	230	1.58	0.064 2	0.001 5	1.005 1	0.022 4	0.112 8	0.001 9	746.3	50.0	706.4	11.3	688.7	10.8	97
S17Y309-103	576	434	1.33	0.066 0	0.001 2	1.240 7	0.024 0	0.134 7	0.001 5	805.6	37.0	819.2	10.9	814.8	8.5	99
S17Y309-104	176	225	0.78	0.155 0	0.001 9	9.553 2	0.149 3	0.441 5	0.005 2	2 401.5	20.4	2 392.7	14.4	2 357.2	23.3	98
S17Y309-105	110	217	0.51	0.067 6	0.001 3	1.338 8	0.026 1	0.142 2	0.001 5	857.4	38.9	862.7	11.3	857.3	8.5	99
S17Y309-106	300	285	1.05	0.065 8	0.001 2	1.197 5	0.023 8	0.130 5	0.001 6	1 200.0	38.9	799.4	11.0	790.8	9.0	98
S17Y309-107	236	317	0.74	0.070 0	0.001 5	1.300 1	0.028 4	0.133 4	0.001 6	927.8	44.4	845.8	12.6	807.3	9.2	95
S17Y309-108	49	62	0.79	0.065 1	0.002 2	1.282 3	0.042 9	0.141 9	0.002 0	788.9	74.2	837.9	19.1	855.6	11.1	97
S17Y309-109	178	190	0.94	0.066 4	0.001 7	1.321 6	0.033 5	0.143 6	0.001 9	816.7	52.6	855.2	14.7	865.1	10.9	98

塔里木地块西北缘阿克苏地区新元古代冰碛岩年代与冰期事件

Geochronology and Glaciation of the Neoproterozoic Diamictite in Aksu Area, Northwestern Margin of the Tarim Block

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地层	样品号	岩性	SiO₂	TiO₂	Al₂O₃	Fe₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	P₂O₅	烧失量	总量	CIA	ICV
奇格布拉克组	S17L16	砂岩	60.18	0.56	9.79	1.83	1.84	0.100	3.39	5.42	0.63	5.41	0.078	10.32	99.54	55.21	1.90
苏盖特布拉克组	S17D12	砂岩	85.32	0.26	6.13	1.12	0.18	0.004	0.63	0.96	0.25	3.27	0.055	1.80	99.98	58.35	1.15
	S17D13	砂岩	86.48	0.14	5.85	0.56	0.23	0.002	0.50	0.22	0.31	3.32	0.037	1.74	99.41	56.87	1.07
	S17Y309	砂岩	84.82	0.23	5.22	1.12	0.41	0.130	0.88	2.45	1.48	0.72	0.053	2.48	99.99	48.06	1.74
	S17Y301	粗砂岩	87.20	0.21	5.84	1.63	0.55	0.031	1.09	0.28	1.38	0.93	0.073	0.77	99.98	61.76	1.33
尤尔美那克组	S17Y21	砂岩	88.34	0.14	3.77	1.07	0.37	0.083	0.55	1.49	1.29	0.42	0.038	1.89	99.45	44.53	1.87
	S20	砂岩	79.78	0.23	6.21	1.79	0.73	0.170	1.26	2.84	1.70	0.65	0.087	3.95	99.40	49.65	1.80
	S30	冰碛岩	66.26	0.51	12.58	1.32	2.07	0.190	2.01	4.56	3.68	1.95	0.150	4.69	99.98	46.92	1.68
	S17Y20	冰碛岩	73.42	0.26	6.97	1.79	0.69	0.260	1.38	5.23	1.86	0.79	0.063	6.72	99.42	49.97	1.77
	S17Y308	冰碛岩	65.54	0.56	13.93	1.93	2.30	0.087	2.61	2.26	3.62	2.56	0.190	3.85	99.43	52.89	1.52
	S17Y11	冰碛岩	63.56	0.57	13.41	1.89	2.30	0.150	2.36	3.60	3.97	1.83	0.130	5.65	99.42	47.57	1.71
	S17Y08	砂岩	64.20	0.56	13.76	1.13	3.44	0.120	2.92	3.58	4.00	1.64	0.170	4.00	99.51	48.72	1.71
	S17Y307	冰碛岩	67.05	0.42	12.12	0.92	1.01	0.110	1.12	5.11	3.70	1.91	0.110	5.85	99.42	45.99	1.51
	S17Y10	砂岩	76.94	0.50	11.30	0.88	0.73	0.042	0.82	0.78	3.68	2.17	0.099	1.66	99.60	54.07	1.15
	S17Y07	粉砂岩	84.55	0.19	4.28	6.08	0.55	0.044	0.59	0.89	1.40	0.51	0.044	0.85	99.98	49.44	2.35
	S17Y19	页岩	88.15	0.22	5.13	1.63	0.46	0.027	0.71	0.35	1.60	0.77	0.040	0.89	99.99	56.05	1.40
冬屋组	S11	含砾砂岩	73.25	0.53	10.87	2.6	1.24	0.072	1.70	2.03	2.94	1.66	0.084	3.00	99.98	51.75	1.56
牧羊滩组	S10	砂岩	73.38	0.80	12.65	2.86	0.83	0.055	1.26	0.51	5.28	0.97	0.150	1.20	99.96	55.05	1.30
巧恩布拉克组	S17Y17	钙质砂岩	72.23	0.61	12.36	2.86	1.33	0.072	2.04	1.13	3.37	1.86	0.091	2.02	99.97	56.79	1.40
	S17Y18	粉砂岩	77.95	0.40	9.83	2.4	0.73	0.048	1.30	0.60	2.89	1.52	0.073	1.90	99.64	57.31	1.30
	S17Y16	粉砂岩	71.78	0.74	13.54	1.74	1.19	0.067	1.33	1.15	5.04	1.72	0.110	1.56	99.97	53.04	1.30
	S16	粉砂岩	68.90	0.50	13.31	2.34	1.24	0.082	1.87	2.49	3.70	2.56	0.130	2.85	99.98	50.42	1.51
	S17Y03	砂岩	68.06	0.89	12.81	2.24	1.93	0.080	1.56	2.43	4.90	1.32	0.150	3.02	99.40	48.58	1.58
	S15	冰碛岩	64.87	0.66	14.12	1.83	2.25	0.110	2.38	2.74	3.63	2.33	0.180	4.50	99.61	51.95	1.51
	S17Y02	冰碛岩	50.03	0.15	6.80	0.26	0.96	0.170	0.50	20.55	2.67	0.97	0.120	16.78	99.95	40.89	1.72
	S14	冰碛岩	64.25	0.69	15.58	2.24	2.62	0.120	2.83	1.69	3.92	2.73	0.180	3.12	99.98	56.42	1.40
	S17Y15	冰碛岩	66.90	0.31	10.37	1.18	1.70	0.083	1.03	6.99	2.90	2.58	0.079	5.85	99.97	45.62	1.57
	S12-1	冰碛岩	71.46	0.76	12.95	2.09	1.15	0.059	1.27	0.96	5.12	1.17	0.120	2.29	99.40	53.75	1.30
	S12-2	冰碛岩	70.91	0.77	13.48	1.42	1.52	0.063	1.34	1.03	4.96	1.73	0.099	2.14	99.46	53.57	1.27
	S17Y14	砂岩	66.78	0.71	15.52	2.5	1.56	0.070	2.15	1.01	3.37	3.26	0.160	2.89	99.98	59.53	1.20
	S17Y01	砂岩	64.75	0.81	14.80	2.09	2.48	0.061	2.25	0.92	2.94	3.74	0.200	4.36	99.41	59.42	1.26
	S13	粉砂岩	70.40	0.57	13.83	1.58	1.29	0.052	1.44	1.10	3.50	2.50	0.110	3.03	99.40	57.53	1.13
	S17Y06	砂岩	72.45	0.60	12.84	0.31	1.65	0.061	1.83	0.93	4.39	1.42	0.140	2.85	99.46	55.95	1.23
	S17Y317	粉砂岩	70.74	0.69	12.96	1.17	2.62	0.072	1.54	1.58	4.19	2.33	0.180	1.78	99.85	52.20	1.35
	S17Y314	粉砂岩	71.77	0.53	12.72	0.92	2.02	0.067	1.37	2.16	4.19	2.20	0.140	1.89	99.97	49.69	1.39
	S17Y313-3	冰碛岩	66.38	0.48	11.76	1.22	2.02	0.130	1.40	5.24	2.88	2.55	0.093	5.26	99.41	48.98	1.48
	S17Y313-5	冰碛岩	70.58	0.57	13.12	1.28	2.20	0.070	1.44	2.18	4.32	2.46	0.130	1.65	99.98	49.43	1.43
	S17Y312	冰碛岩	71.24	0.59	11.81	1.28	2.43	0.071	1.44	2.03	3.71	2.05	0.140	2.65	99.44	50.24	1.44
	S17Y305	砂岩	72.58	0.41	11.68	1.73	1.29	0.065	1.64	1.89	3.82	1.94	0.099	2.80	99.96	50.16	1.50
	S17Y306	冰碛岩	71.07	0.43	12.38	1.52	1.29	0.130	1.69	2.06	4.09	1.86	0.120	2.94	99.57	50.35	1.47
	S17Y311	冰碛岩	72.34	0.54	12.20	1.28	2.43	0.081	1.52	1.79	3.67	2.19	0.120	1.82	99.97	51.74	1.38
	S17Y313-1	冰碛岩	70.31	0.72	13.57	1.43	2.34	0.069	1.68	1.36	4.08	2.57	0.150	1.70	99.96	53.86	1.31
	S17Y310	砂岩	72.25	0.54	11.55	1.78	2.53	0.075	1.55	1.52	2.32	3.42	0.160	2.26	99.95	53.84	1.37
地层	样品号	岩性	SiO₂	TiO₂	Al₂O₃	Fe₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	P₂O₅	烧失量	总量	CIA	ICV
巧恩布拉克组	S8	粉砂岩	73.26	0.44	13.08	1.38	1.10	0.039	1.45	0.89	3.49	2.63	0.097	2.12	99.97	56.72	1.16
	S17Y304	砂岩	69.23	0.54	13.64	2.29	1.61	0.070	2.27	0.84	3.66	2.52	0.170	2.70	99.53	57.97	1.31
	S9	砂岩	66.21	0.67	15.37	2.97	1.88	0.069	2.16	0.94	3.36	2.94	0.023	3.36	99.95	59.71	1.22
西方山组	S23	砂岩	65.69	0.77	15.36	1.13	3.48	0.068	2.11	1.71	3.98	2.43	0.140	2.56	99.43	56.22	1.25
	S2	砂岩	68.25	0.48	14.79	1.47	2.38	0.057	1.83	1.22	3.79	2.78	0.110	2.26	99.42	56.86	1.18
	S6	砂岩	66.13	0.62	15.90	2.11	2.18	0.051	2.45	1.17	2.21	3.42	0.140	3.50	99.89	63.47	1.11
	S4	砂岩	58.69	0.68	18.64	2.70	3.57	0.080	3.72	1.06	2.33	3.63	0.190	4.42	99.71	66.80	1.15
	S25	粉砂岩	67.53	0.59	15.45	0.95	3.33	0.064	2.07	0.48	3.92	2.97	0.140	2.27	99.77	60.17	1.10

冰期	华南地区^[38,44-45]	库鲁克塔格地区^[1,5,39]	阿克苏地区^[6,8-9]
Gaskies冰期		汉格尔乔克冰期
Marinoan冰期	南沱冰期	特瑞爱肯冰期	尤尔美那克冰期
Sturtian冰期	江口冰期	阿勒通沟冰期	巧恩布拉克冰期
Kaigas冰期		贝义西冰期

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