滇西点苍山变质地体三叠纪至侏罗纪沉积岩碎屑锆石源区信息及构造指示

doi:10.19657/j.geoscience.1000-8527.2021.04.01

现代地质 ›› 2021, Vol. 35 ›› Issue (04): 883-913.DOI: 10.19657/j.geoscience.1000-8527.2021.04.01

滇西点苍山变质地体三叠纪至侏罗纪沉积岩碎屑锆石源区信息及构造指示

陈静¹(), 李大鹏¹(), 康欢², 耿建珍³, 张菁菁¹

1.中国地质大学(北京) 地球科学与资源学院,北京 100083
2.中国地震局地质研究所,北京 100029
3.中国地质调查局天津地质矿产研究所,天津 300170

收稿日期:2020-12-25 修回日期:2021-04-20 出版日期:2021-08-10 发布日期:2021-09-08
通讯作者: 李大鹏
作者简介:李大鹏,男,教授,博士生导师,1983年出生,地球化学专业,主要从事岩石地球化学研究。Email: dpli@cugb.edu.cn。
陈静,男,学士,1998年出生,地质学专业,目前主要从事滇西三江带区域地球化学研究工作。Email: 2286063831@qq.com。
基金资助:
国家自然科学基金项目(41502212);中央高校基本科研业务费拔尖青年教师创新能力培养项目(2652019056)

Provenances and Tectonic Significance of Detrital Zircons from the Triassic to Jurassic Sedimentary Rocks in the Diancangshan Metamorphic Massif, Western Yunnan Province

CHEN Jing¹(), LI Dapeng¹(), KANG Huan², GENG Jianzhen³, ZHANG Jingjing¹

1. School of Earth Sciences and Resources,China University of Geosciences,Beijing 100083,China
2. Institute of Geology,China Earthquake Administration,Beijing 100029,China
3. Tianjin Institute of Geology and Mineral Resources,China Geological Survey,Tianjin 300170,China

Received:2020-12-25 Revised:2021-04-20 Online:2021-08-10 Published:2021-09-08
Contact: LI Dapeng

摘要/Abstract

摘要：

前人通过滇西三江带内岩浆记录精细刻画了古特提斯洋分支洋——哀牢山洋的形成及演化历史,然而区域沉积记录是如何响应哀牢山洋俯冲及闭合过程的,目前仍未得到深入研究。我们通过对哀牢山构造带北段点苍山变质杂岩内三叠纪至侏罗纪3件沉积岩样品中255颗碎屑锆石进行U-Pb定年、微量元素及Hf同位素分析,结合区域已有研究,恢复哀牢山洋末期演化的区域沉积响应。结果表明,变质砂岩DC1801、片岩DC1703和碳酸盐岩DC1702中最年轻岩浆锆石群加权平均年龄分别为~180 Ma、~247 Ma和~254 Ma,结合其接触关系以及区域地层对比,约束其最大沉积年龄分别为侏罗纪早期(DC1801)和三叠纪早期(DC1702和DC1703)。不同时期碎屑沉积岩物源分析表明三叠纪碎屑沉积岩(DC1703)主要源自哀牢山构造带内部近源的多期岩浆物质(~0.8 Ga、~0.45 Ga和~0.25 Ga)、冈瓦纳裂解前印度大陆内部多期再循环的格林威尔晚期(~0.95 Ga)和泛非期(~0.6 Ga)岩浆物质贡献。侏罗纪碎屑沉积岩(DC1801)物质主要源自思茅地块内部印支期岩浆活动,而~0.45 Ga、~0.8 Ga和~0.95 Ga等时期的碎屑物质贡献比例明显降低。同一沉积盆地同时代碳酸盐岩与陆源碎屑岩中碎屑锆石结构大体相似,但碳酸盐岩中代表多期循环的远源物质的年龄所占比例却降低。点苍山碎屑沉积岩锆石Hf同位素组成随时间变化证实了哀牢山洋闭合时间为~247 Ma,而在点苍山变质地体南段发育的海相碳酸盐岩与陆源碎屑岩(片岩)的沉积组合记录了哀牢山洋末期演化至闭合过程。碎屑锆石Eu/Eu^*异常揭示了区域地壳自~247 Ma哀牢山洋闭合至~235 Ma的加厚过程,三叠纪至侏罗纪碎屑沉积物源的转化可能与哀牢山洋闭合引发的沉积区抬升有关。

关键词: 青藏高原, 哀牢山构造带, 碎屑锆石, 古特提斯洋, 地球化学

Abstract:

The formation and evolution of the Ailaoshan ocean (AO), a branch of the Paleo-Tethyan ocean, has been precisely depicted via deciphering the magmatic records in the Sanjiang area, western Yunnan. However, regional sedimentary records that responded to the subduction and closure of the AO have still not been fully understood. Therefore, an integrated study has been carried out on 255 detrital zircon grains including U-Pb dating and analyses of trace element concentrations and Lu-Hf isotopic compositions from three sedimentary samples in the Diancangshan metamorphic terrane (DMT) in the Ailaoshan tectonic belt (ATB). Together with previously study, regional sedimentary records during the last stage evolution of the AO has been delineated. The weighted mean ages of the youngest igneous zircon groups of metamorphic sandstone DC1801, schist DC1703, and carbonate DC1702 are ~180 Ma, ~247 Ma, and ~254 Ma, respectively. Together with their field contact relationships and regional sedimentary correlation, the oldest depositional ages of these sedimentary rocks are restricted to the Early Jurassic (DC1801) and Early Triassic (DC1702 and DC1703). Provenance analyses show that different igneous rocks with ages of ~0.8 Ga, ~0.45 Ga, and ~0.25 Ga in the ATB and the late Grevillian (~0.95 Ga) and Pan-African (~0.6 Ga) igneous materials in the Indian continent before dispersion of the Indochina block from Gondwana were the main inputs for the Triassic clastic sedimentary rock (DC1703). In contrast, the Indosinian igneous rocks in the Simao block were the main inputs for the Jurassic clastic sedimentary rock (DC1801), while contributions of the ~0.45 Ga, ~0.8 Ga and ~0.95 Ga materials were largely depressed. Carbonates and coeval clastic sediments in the same depositional basin show similar detrital zircon U-Pb age distribution patterns, but signals that represent for far sourced materials notably decreased in carbonates. Evolution of the Hf isotopic compositions through time verified that the closure of the AO was at ~247 Ma. The sedimentary sequences of marine carbonate and continental clastic rocks (i.e., schist) documented the last stage evolution and closure of the AO. The Eu/Eu^* values of these detrital zircon grains unravel regional crustal thickening from the closure of AO at ~247 Ma to ~235 Ma. The shift of the source areas from the Triassic to the Jurassic probably resulted from the uplift of the depositional areas due to the closure of the AO.

Key words: Tibetan Plateau, Ailaoshan tectonic belt, detrital zircons, Paleo-Tethyan ocean, geochemistry

中图分类号:

P597
P588.2

陈静, 李大鹏, 康欢, 耿建珍, 张菁菁. 滇西点苍山变质地体三叠纪至侏罗纪沉积岩碎屑锆石源区信息及构造指示[J]. 现代地质, 2021, 35(04): 883-913.

CHEN Jing, LI Dapeng, KANG Huan, GENG Jianzhen, ZHANG Jingjing. Provenances and Tectonic Significance of Detrital Zircons from the Triassic to Jurassic Sedimentary Rocks in the Diancangshan Metamorphic Massif, Western Yunnan Province[J]. Geoscience, 2021, 35(04): 883-913.

图/表 13

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样品	年龄/Ma	¹⁷⁶Yb/¹⁷⁷Hf	±2σ	¹⁷⁶Lu/¹⁷⁷Hf	±2σ	¹⁷⁶Hf/¹⁷⁷Hf	±2σ	(¹⁷⁶Hf/¹⁷⁷Hf)_i	ε_Hf(t)	T_DM^C/Ga	T_AM^C/Ga
碳酸盐岩DC1702
DC1702-01	933	0.035 7	0.000 2	0.001 00	0.000 00	0.282 40	0.000 02	0.282 38	6.91	1.36	1.18
DC1702-03	55	0.132 1	0.002 6	0.003 29	0.000 05	0.283 10	0.000 04	0.283 09	12.59	0.32	0.09
DC1702-09	268	0.102 7	0.000 5	0.002 87	0.000 02	0.282 72	0.000 03	0.282 70	3.50	1.07	0.87
DC1702-11	255	0.078 5	0.002 2	0.002 05	0.000 05	0.282 64	0.000 03	0.282 63	0.48	1.25	1.06
DC1702-12	944	0.046 8	0.002 2	0.001 36	0.000 06	0.282 35	0.000 02	0.282 32	5.05	1.49	1.32
DC1702-17	2 474	0.024 1	0.000 4	0.000 76	0.000 01	0.281 39	0.000 02	0.281 35	5.40	2.65	2.53
DC1702-18	246	0.041 9	0.000 9	0.001 20	0.000 03	0.282 71	0.000 02	0.282 71	3.16	1.07	0.88
DC1702-21	242	0.106 5	0.000 7	0.002 37	0.000 06	0.283 32	0.000 75	0.283 31	24.44	-0.30	-0.56
DC1702-22	262	0.152 0	0.001 4	0.004 11	0.000 04	0.282 77	0.000 03	0.282 75	4.96	0.97	0.77
DC1702-24	261	0.048 6	0.002 0	0.001 46	0.000 05	0.282 39	0.000 03	0.282 38	-8.17	1.80	1.64
DC1702-28	776	0.055 9	0.000 8	0.001 52	0.000 02	0.282 84	0.000 02	0.282 81	18.64	0.50	0.28
DC1702-29	781	0.063 6	0.003 3	0.001 95	0.000 07	0.282 65	0.000 02	0.282 62	11.99	0.92	0.72
DC1702-31	523	0.077 7	0.000 4	0.002 58	0.000 01	0.282 47	0.000 03	0.282 45	0.00	1.48	1.31
DC1702-33	262	0.066 6	0.003 6	0.002 15	0.000 13	0.282 56	0.000 03	0.282 55	-2.21	1.42	1.25
DC1702-36	773	0.144 9	0.003 8	0.001 81	0.000 08	0.278 44	0.002 77	0.278 42	-137.18	9.64	9.83
DC1702-37	265	0.057 6	0.001 7	0.001 97	0.000 05	0.282 26	0.000 04	0.282 25	-12.73	2.08	1.94
DC1702-41	263	0.073 9	0.000 5	0.002 00	0.000 01	0.282 67	0.000 04	0.282 66	1.85	1.17	0.98
DC1702-42	778	0.048 0	0.000 3	0.001 69	0.000 01	0.282 31	0.000 03	0.282 29	0.13	1.67	1.51
DC1702-43	262	0.095 3	0.000 9	0.002 70	0.000 02	0.282 70	0.000 04	0.282 69	2.70	1.11	0.92
DC1702-46	268	0.137 0	0.002 1	0.004 05	0.000 06	0.282 69	0.000 03	0.282 67	2.27	1.14	0.96
DC1702-51	257	0.078 3	0.000 9	0.002 44	0.000 03	0.282 72	0.000 03	0.282 71	3.34	1.07	0.88
DC1702-54	266	0.107 8	0.000 7	0.003 32	0.000 03	0.282 66	0.000 03	0.282 65	1.37	1.20	1.01
DC1702-58	244	0.125 2	0.001 7	0.003 82	0.000 03	0.283 57	0.000 85	0.283 55	32.89	-0.85	-1.14
DC1702-63	903	0.088 0	0.000 7	0.002 73	0.000 02	0.282 39	0.000 02	0.282 35	4.97	1.46	1.29
DC1702-64	269	0.082 5	0.003 9	0.002 20	0.000 07	0.282 12	0.001 40	0.282 11	-17.67	2.39	2.26
DC1702-66	212	0.041 8	0.000 5	0.001 34	0.000 01	0.282 32	0.000 02	0.282 32	-11.39	1.96	1.81
DC1702-72	749	0.077 9	0.002 5	0.002 54	0.000 07	0.282 41	0.000 05	0.282 37	2.40	1.50	1.33
DC1702-77	257	0.062 0	0.000 6	0.001 78	0.000 02	0.282 63	0.000 03	0.282 62	0.35	1.26	1.07
DC1702-81	709	0.036 4	0.000 3	0.001 14	0.000 01	0.282 43	0.000 02	0.282 42	3.18	1.42	1.25
片岩DC1703
DC1703-1	245	0.022 5	0.000 1	0.000 49	0.000 00	0.282 35	0.000 02	0.282 35	-9.69	1.88	1.73
DC1703-3	958	0.024 8	0.000 3	0.000 56	0.000 01	0.282 00	0.000 02	0.281 99	-6.59	2.23	2.09
DC1703-4	926	0.011 3	0.000 3	0.000 24	0.000 01	0.281 53	0.000 01	0.281 53	-23.53	3.24	3.15
DC1703-11	871	0.030 9	0.000 3	0.000 72	0.000 01	0.281 95	0.000 02	0.281 94	-10.19	2.38	2.25
DC1703-12	2 698	0.043 0	0.000 6	0.000 99	0.000 01	0.281 08	0.000 02	0.281 03	-1.13	3.22	3.13
DC1703-15	593	0.005 7	0.000 0	0.000 12	0.000 00	0.282 31	0.000 02	0.282 31	-3.28	1.74	1.58
DC1703-16	248	0.079 9	0.000 3	0.001 80	0.000 01	0.282 35	0.000 02	0.282 34	-9.83	1.89	1.74
DC1703-20	1 661	0.032 2	0.000 0	0.000 78	0.000 00	0.281 95	0.000 02	0.281 92	6.90	1.93	1.78
DC1703-22	575	0.025 5	0.000 0	0.000 56	0.000 00	0.282 57	0.000 03	0.282 56	5.26	1.19	1.00
DC1703-23	1 109	0.137 9	0.000 8	0.002 83	0.000 01	0.282 40	0.000 04	0.282 34	9.25	1.35	1.17
DC1703-25	250	0.035 5	0.000 6	0.000 78	0.000 01	0.282 31	0.000 01	0.282 31	-11.01	1.97	1.82
DC1703-26	1 365	0.025 6	0.000 1	0.000 57	0.000 00	0.281 60	0.000 02	0.281 59	-11.69	2.85	2.74
DC1703-29	1 496	0.020 7	0.000 0	0.000 45	0.000 00	0.281 99	0.000 02	0.281 97	5.02	1.92	1.76
DC1703-31	973	0.009 8	0.000 0	0.000 22	0.000 00	0.282 09	0.000 02	0.282 08	-2.89	2.01	1.86
DC1703-33	971	0.051 7	0.002 1	0.001 05	0.000 05	0.281 90	0.000 02	0.281 88	-10.19	2.46	2.33
DC1703-34	942	0.031 5	0.000 2	0.000 68	0.000 00	0.281 75	0.000 02	0.281 74	-15.83	2.78	2.67
DC1703-38	321	0.026 8	0.001 3	0.000 78	0.000 04	0.282 73	0.000 03	0.282 72	5.27	0.99	0.80
样品	年龄/Ma	¹⁷⁶Yb/¹⁷⁷Hf	±2σ	¹⁷⁶Lu/¹⁷⁷Hf	±2σ	¹⁷⁶Hf/¹⁷⁷Hf	±2σ	(¹⁷⁶Hf/¹⁷⁷Hf)_i	ε_Hf(t)	T_DM^C/Ga	T_AM^C/Ga
DC1703-40	1 170	0.077 0	0.001 6	0.001 71	0.000 03	0.282 12	0.000 02	0.282 08	1.37	1.88	1.73
DC1703-41	989	0.033 7	0.000 4	0.000 77	0.000 01	0.282 18	0.000 01	0.282 17	0.29	1.81	1.65
DC1703-42	1 128	0.025 6	0.000 2	0.000 62	0.000 00	0.282 35	0.000 01	0.282 33	9.34	1.35	1.17
DC1703-45	2 453	0.042 1	0.000 5	0.000 90	0.000 01	0.280 99	0.000 02	0.280 95	-9.26	3.54	3.46
DC1703-47	1 717	0.060 3	0.000 2	0.001 42	0.000 00	0.281 87	0.000 02	0.281 83	4.89	2.09	1.95
DC1703-50	2 229	0.013 3	0.000 0	0.000 32	0.000 00	0.281 24	0.000 02	0.281 22	-4.73	3.09	2.99
DC1703-54	1 887	0.025 9	0.000 3	0.000 60	0.000 01	0.281 49	0.000 02	0.281 46	-4.12	2.78	2.67
DC1703-55	455	0.051 1	0.000 2	0.001 16	0.000 00	0.282 36	0.000 02	0.282 35	-5.31	1.74	1.58
DC1703-56	451	0.021 4	0.000 1	0.000 62	0.000 00	0.282 40	0.000 02	0.282 39	-3.92	1.65	1.49
DC1703-60	302	0.037 3	0.000 3	0.001 19	0.000 01	0.282 43	0.000 03	0.282 42	-6.24	1.68	1.52
DC1703-62	279	0.050 3	0.000 3	0.001 20	0.000 01	0.282 21	0.000 02	0.282 20	-14.42	2.17	2.04
DC1703-63	29	0.054 4	0.000 2	0.001 18	0.000 00	0.282 77	0.000 02	0.282 77	0.26	1.06	0.87
DC1703-65	1 670	0.019 1	0.000 3	0.000 47	0.000 00	0.281 83	0.000 02	0.281 81	3.18	2.16	2.02
DC1703-67	555	0.011 9	0.000 0	0.000 27	0.000 00	0.282 11	0.000 02	0.282 11	-11.47	2.20	2.07
DC1703-68	466	0.028 8	0.000 1	0.000 73	0.000 00	0.282 27	0.000 01	0.282 26	-8.09	1.92	1.77
DC1703-70	1 013	0.027 7	0.000 2	0.000 62	0.000 00	0.282 23	0.000 02	0.282 22	2.80	1.67	1.51
DC1703-72	449	0.050 5	0.000 4	0.001 16	0.000 01	0.282 36	0.000 02	0.282 35	-5.31	1.74	1.58
DC1703-74	1 100	0.054 4	0.000 2	0.001 25	0.000 00	0.281 98	0.000 03	0.281 96	-4.62	2.20	2.06
DC1703-75	363	0.054 4	0.000 6	0.001 31	0.000 01	0.282 43	0.000 02	0.282 42	-4.69	1.63	1.47
DC1703-80	1 067	0.026 5	0.000 4	0.000 59	0.000 01	0.282 05	0.000 03	0.282 04	-2.48	2.04	1.90
DC1703-81	432	0.029 7	0.000 4	0.000 65	0.000 01	0.282 23	0.000 03	0.282 22	-10.27	2.03	1.89
DC1703-85	452	0.032 0	0.000 1	0.000 81	0.000 00	0.282 27	0.000 02	0.282 27	-8.31	1.93	1.78
DC1703-89	1 851	0.043 3	0.001 0	0.001 11	0.000 02	0.281 57	0.000 02	0.281 53	-2.72	2.67	2.55
DC1703-95	2 476	0.032 8	0.000 3	0.000 71	0.000 00	0.281 04	0.000 02	0.281 01	-6.57	3.39	3.31
DC1703-97	2 833	0.115 7	0.001 6	0.002 42	0.000 03	0.281 16	0.000 02	0.281 03	2.57	3.12	3.02
DC1703-100	1 265	0.026 5	0.000 1	0.000 62	0.000 00	0.281 79	0.000 02	0.281 78	-7.33	2.50	2.37
变质砂岩DC1801
DC1801-08	307	0.058 0	0.000 6	0.001 97	0.000 02	0.282 49	0.000 05	0.282 48	-3.65	1.55	1.38
DC1801-10	111	0.028 0	0.000 1	0.000 95	0.000 00	0.282 68	0.000 03	0.282 68	-0.86	1.22	1.04
DC1801-14	322	0.025 9	0.000 1	0.000 96	0.000 01	0.282 81	0.000 03	0.282 80	8.17	0.81	0.61
DC1801-17	322	0.039 0	0.000 3	0.001 36	0.000 01	0.282 57	0.000 03	0.282 56	-0.49	1.36	1.18
DC1801-21	942	0.029 0	0.000 7	0.000 94	0.000 02	0.282 10	0.000 03	0.282 08	-3.66	2.03	1.88
DC1801-22	169	0.040 7	0.000 8	0.001 28	0.000 02	0.282 12	0.000 03	0.282 12	-19.33	2.42	2.29
DC1801-23	254	0.052 3	0.000 8	0.001 62	0.000 01	0.282 75	0.000 04	0.282 74	4.38	1.00	0.80
DC1801-28	326	0.072 2	0.001 2	0.002 25	0.000 04	0.282 48	0.000 03	0.282 46	-3.76	1.57	1.40
DC1801-39	307	0.035 7	0.000 6	0.000 90	0.000 01	0.282 71	0.000 28	0.282 71	4.48	1.03	0.84
DC1801-41	1 726	0.060 9	0.000 3	0.001 82	0.000 01	0.281 53	0.000 02	0.281 47	-7.69	2.88	2.77
DC1801-52	215	0.043 3	0.000 4	0.001 29	0.000 01	0.282 53	0.000 02	0.282 53	-3.89	1.49	1.32
DC1801-54	294	0.038 2	0.000 4	0.001 15	0.000 01	0.282 36	0.000 03	0.282 35	-8.33	1.83	1.68
DC1801-56	342	0.053 1	0.000 1	0.001 64	0.000 00	0.282 95	0.000 03	0.282 94	13.49	0.49	0.27
DC1801-60	250	0.040 7	0.000 5	0.001 25	0.000 01	0.282 66	0.000 03	0.282 66	1.41	1.18	1.00
DC1801-62	276	0.028 2	0.000 2	0.000 94	0.000 00	0.282 75	0.000 03	0.282 74	5.10	0.97	0.77
DC1801-63	2 376	0.043 0	0.000 4	0.001 27	0.000 01	0.281 30	0.000 02	0.281 24	-0.93	2.96	2.86
DC1801-69	320	0.038 4	0.000 1	0.001 14	0.000 01	0.282 56	0.000 02	0.282 55	-0.66	1.37	1.19
DC1801-70	188	0.050 8	0.000 1	0.001 56	0.000 00	0.282 65	0.000 03	0.282 64	-0.45	1.26	1.07
DC1801-74	258	0.106 3	0.001 3	0.002 84	0.000 04	0.283 16	0.000 03	0.283 15	19.00	0.07	-0.17
DC1801-75	878	0.033 1	0.000 2	0.000 91	0.000 00	0.281 92	0.000 02	0.281 91	-11.20	2.45	2.32

样品	年龄/Ma	¹⁷⁶Yb/¹⁷⁷Hf	±2σ	¹⁷⁶Lu/¹⁷⁷Hf	±2σ	¹⁷⁶Hf/¹⁷⁷Hf	±2σ	(¹⁷⁶Hf/¹⁷⁷Hf)_i	ε_Hf(t)	T_DM^C/Ga	T_AM^C/Ga
碳酸盐岩DC1702
DC1702-01	933	0.035 7	0.000 2	0.001 00	0.000 00	0.282 40	0.000 02	0.282 38	6.91	1.36	1.18
DC1702-03	55	0.132 1	0.002 6	0.003 29	0.000 05	0.283 10	0.000 04	0.283 09	12.59	0.32	0.09
DC1702-09	268	0.102 7	0.000 5	0.002 87	0.000 02	0.282 72	0.000 03	0.282 70	3.50	1.07	0.87
DC1702-11	255	0.078 5	0.002 2	0.002 05	0.000 05	0.282 64	0.000 03	0.282 63	0.48	1.25	1.06
DC1702-12	944	0.046 8	0.002 2	0.001 36	0.000 06	0.282 35	0.000 02	0.282 32	5.05	1.49	1.32
DC1702-17	2 474	0.024 1	0.000 4	0.000 76	0.000 01	0.281 39	0.000 02	0.281 35	5.40	2.65	2.53
DC1702-18	246	0.041 9	0.000 9	0.001 20	0.000 03	0.282 71	0.000 02	0.282 71	3.16	1.07	0.88
DC1702-21	242	0.106 5	0.000 7	0.002 37	0.000 06	0.283 32	0.000 75	0.283 31	24.44	-0.30	-0.56
DC1702-22	262	0.152 0	0.001 4	0.004 11	0.000 04	0.282 77	0.000 03	0.282 75	4.96	0.97	0.77
DC1702-24	261	0.048 6	0.002 0	0.001 46	0.000 05	0.282 39	0.000 03	0.282 38	-8.17	1.80	1.64
DC1702-28	776	0.055 9	0.000 8	0.001 52	0.000 02	0.282 84	0.000 02	0.282 81	18.64	0.50	0.28
DC1702-29	781	0.063 6	0.003 3	0.001 95	0.000 07	0.282 65	0.000 02	0.282 62	11.99	0.92	0.72
DC1702-31	523	0.077 7	0.000 4	0.002 58	0.000 01	0.282 47	0.000 03	0.282 45	0.00	1.48	1.31
DC1702-33	262	0.066 6	0.003 6	0.002 15	0.000 13	0.282 56	0.000 03	0.282 55	-2.21	1.42	1.25
DC1702-36	773	0.144 9	0.003 8	0.001 81	0.000 08	0.278 44	0.002 77	0.278 42	-137.18	9.64	9.83
DC1702-37	265	0.057 6	0.001 7	0.001 97	0.000 05	0.282 26	0.000 04	0.282 25	-12.73	2.08	1.94
DC1702-41	263	0.073 9	0.000 5	0.002 00	0.000 01	0.282 67	0.000 04	0.282 66	1.85	1.17	0.98
DC1702-42	778	0.048 0	0.000 3	0.001 69	0.000 01	0.282 31	0.000 03	0.282 29	0.13	1.67	1.51
DC1702-43	262	0.095 3	0.000 9	0.002 70	0.000 02	0.282 70	0.000 04	0.282 69	2.70	1.11	0.92
DC1702-46	268	0.137 0	0.002 1	0.004 05	0.000 06	0.282 69	0.000 03	0.282 67	2.27	1.14	0.96
DC1702-51	257	0.078 3	0.000 9	0.002 44	0.000 03	0.282 72	0.000 03	0.282 71	3.34	1.07	0.88
DC1702-54	266	0.107 8	0.000 7	0.003 32	0.000 03	0.282 66	0.000 03	0.282 65	1.37	1.20	1.01
DC1702-58	244	0.125 2	0.001 7	0.003 82	0.000 03	0.283 57	0.000 85	0.283 55	32.89	-0.85	-1.14
DC1702-63	903	0.088 0	0.000 7	0.002 73	0.000 02	0.282 39	0.000 02	0.282 35	4.97	1.46	1.29
DC1702-64	269	0.082 5	0.003 9	0.002 20	0.000 07	0.282 12	0.001 40	0.282 11	-17.67	2.39	2.26
DC1702-66	212	0.041 8	0.000 5	0.001 34	0.000 01	0.282 32	0.000 02	0.282 32	-11.39	1.96	1.81
DC1702-72	749	0.077 9	0.002 5	0.002 54	0.000 07	0.282 41	0.000 05	0.282 37	2.40	1.50	1.33
DC1702-77	257	0.062 0	0.000 6	0.001 78	0.000 02	0.282 63	0.000 03	0.282 62	0.35	1.26	1.07
DC1702-81	709	0.036 4	0.000 3	0.001 14	0.000 01	0.282 43	0.000 02	0.282 42	3.18	1.42	1.25
片岩DC1703
DC1703-1	245	0.022 5	0.000 1	0.000 49	0.000 00	0.282 35	0.000 02	0.282 35	-9.69	1.88	1.73
DC1703-3	958	0.024 8	0.000 3	0.000 56	0.000 01	0.282 00	0.000 02	0.281 99	-6.59	2.23	2.09
DC1703-4	926	0.011 3	0.000 3	0.000 24	0.000 01	0.281 53	0.000 01	0.281 53	-23.53	3.24	3.15
DC1703-11	871	0.030 9	0.000 3	0.000 72	0.000 01	0.281 95	0.000 02	0.281 94	-10.19	2.38	2.25
DC1703-12	2 698	0.043 0	0.000 6	0.000 99	0.000 01	0.281 08	0.000 02	0.281 03	-1.13	3.22	3.13
DC1703-15	593	0.005 7	0.000 0	0.000 12	0.000 00	0.282 31	0.000 02	0.282 31	-3.28	1.74	1.58
DC1703-16	248	0.079 9	0.000 3	0.001 80	0.000 01	0.282 35	0.000 02	0.282 34	-9.83	1.89	1.74
DC1703-20	1 661	0.032 2	0.000 0	0.000 78	0.000 00	0.281 95	0.000 02	0.281 92	6.90	1.93	1.78
DC1703-22	575	0.025 5	0.000 0	0.000 56	0.000 00	0.282 57	0.000 03	0.282 56	5.26	1.19	1.00
DC1703-23	1 109	0.137 9	0.000 8	0.002 83	0.000 01	0.282 40	0.000 04	0.282 34	9.25	1.35	1.17
DC1703-25	250	0.035 5	0.000 6	0.000 78	0.000 01	0.282 31	0.000 01	0.282 31	-11.01	1.97	1.82
DC1703-26	1 365	0.025 6	0.000 1	0.000 57	0.000 00	0.281 60	0.000 02	0.281 59	-11.69	2.85	2.74
DC1703-29	1 496	0.020 7	0.000 0	0.000 45	0.000 00	0.281 99	0.000 02	0.281 97	5.02	1.92	1.76
DC1703-31	973	0.009 8	0.000 0	0.000 22	0.000 00	0.282 09	0.000 02	0.282 08	-2.89	2.01	1.86
DC1703-33	971	0.051 7	0.002 1	0.001 05	0.000 05	0.281 90	0.000 02	0.281 88	-10.19	2.46	2.33
DC1703-34	942	0.031 5	0.000 2	0.000 68	0.000 00	0.281 75	0.000 02	0.281 74	-15.83	2.78	2.67
DC1703-38	321	0.026 8	0.001 3	0.000 78	0.000 04	0.282 73	0.000 03	0.282 72	5.27	0.99	0.80
样品	年龄/Ma	¹⁷⁶Yb/¹⁷⁷Hf	±2σ	¹⁷⁶Lu/¹⁷⁷Hf	±2σ	¹⁷⁶Hf/¹⁷⁷Hf	±2σ	(¹⁷⁶Hf/¹⁷⁷Hf)_i	ε_Hf(t)	T_DM^C/Ga	T_AM^C/Ga
DC1703-40	1 170	0.077 0	0.001 6	0.001 71	0.000 03	0.282 12	0.000 02	0.282 08	1.37	1.88	1.73
DC1703-41	989	0.033 7	0.000 4	0.000 77	0.000 01	0.282 18	0.000 01	0.282 17	0.29	1.81	1.65
DC1703-42	1 128	0.025 6	0.000 2	0.000 62	0.000 00	0.282 35	0.000 01	0.282 33	9.34	1.35	1.17
DC1703-45	2 453	0.042 1	0.000 5	0.000 90	0.000 01	0.280 99	0.000 02	0.280 95	-9.26	3.54	3.46
DC1703-47	1 717	0.060 3	0.000 2	0.001 42	0.000 00	0.281 87	0.000 02	0.281 83	4.89	2.09	1.95
DC1703-50	2 229	0.013 3	0.000 0	0.000 32	0.000 00	0.281 24	0.000 02	0.281 22	-4.73	3.09	2.99
DC1703-54	1 887	0.025 9	0.000 3	0.000 60	0.000 01	0.281 49	0.000 02	0.281 46	-4.12	2.78	2.67
DC1703-55	455	0.051 1	0.000 2	0.001 16	0.000 00	0.282 36	0.000 02	0.282 35	-5.31	1.74	1.58
DC1703-56	451	0.021 4	0.000 1	0.000 62	0.000 00	0.282 40	0.000 02	0.282 39	-3.92	1.65	1.49
DC1703-60	302	0.037 3	0.000 3	0.001 19	0.000 01	0.282 43	0.000 03	0.282 42	-6.24	1.68	1.52
DC1703-62	279	0.050 3	0.000 3	0.001 20	0.000 01	0.282 21	0.000 02	0.282 20	-14.42	2.17	2.04
DC1703-63	29	0.054 4	0.000 2	0.001 18	0.000 00	0.282 77	0.000 02	0.282 77	0.26	1.06	0.87
DC1703-65	1 670	0.019 1	0.000 3	0.000 47	0.000 00	0.281 83	0.000 02	0.281 81	3.18	2.16	2.02
DC1703-67	555	0.011 9	0.000 0	0.000 27	0.000 00	0.282 11	0.000 02	0.282 11	-11.47	2.20	2.07
DC1703-68	466	0.028 8	0.000 1	0.000 73	0.000 00	0.282 27	0.000 01	0.282 26	-8.09	1.92	1.77
DC1703-70	1 013	0.027 7	0.000 2	0.000 62	0.000 00	0.282 23	0.000 02	0.282 22	2.80	1.67	1.51
DC1703-72	449	0.050 5	0.000 4	0.001 16	0.000 01	0.282 36	0.000 02	0.282 35	-5.31	1.74	1.58
DC1703-74	1 100	0.054 4	0.000 2	0.001 25	0.000 00	0.281 98	0.000 03	0.281 96	-4.62	2.20	2.06
DC1703-75	363	0.054 4	0.000 6	0.001 31	0.000 01	0.282 43	0.000 02	0.282 42	-4.69	1.63	1.47
DC1703-80	1 067	0.026 5	0.000 4	0.000 59	0.000 01	0.282 05	0.000 03	0.282 04	-2.48	2.04	1.90
DC1703-81	432	0.029 7	0.000 4	0.000 65	0.000 01	0.282 23	0.000 03	0.282 22	-10.27	2.03	1.89
DC1703-85	452	0.032 0	0.000 1	0.000 81	0.000 00	0.282 27	0.000 02	0.282 27	-8.31	1.93	1.78
DC1703-89	1 851	0.043 3	0.001 0	0.001 11	0.000 02	0.281 57	0.000 02	0.281 53	-2.72	2.67	2.55
DC1703-95	2 476	0.032 8	0.000 3	0.000 71	0.000 00	0.281 04	0.000 02	0.281 01	-6.57	3.39	3.31
DC1703-97	2 833	0.115 7	0.001 6	0.002 42	0.000 03	0.281 16	0.000 02	0.281 03	2.57	3.12	3.02
DC1703-100	1 265	0.026 5	0.000 1	0.000 62	0.000 00	0.281 79	0.000 02	0.281 78	-7.33	2.50	2.37
变质砂岩DC1801
DC1801-08	307	0.058 0	0.000 6	0.001 97	0.000 02	0.282 49	0.000 05	0.282 48	-3.65	1.55	1.38
DC1801-10	111	0.028 0	0.000 1	0.000 95	0.000 00	0.282 68	0.000 03	0.282 68	-0.86	1.22	1.04
DC1801-14	322	0.025 9	0.000 1	0.000 96	0.000 01	0.282 81	0.000 03	0.282 80	8.17	0.81	0.61
DC1801-17	322	0.039 0	0.000 3	0.001 36	0.000 01	0.282 57	0.000 03	0.282 56	-0.49	1.36	1.18
DC1801-21	942	0.029 0	0.000 7	0.000 94	0.000 02	0.282 10	0.000 03	0.282 08	-3.66	2.03	1.88
DC1801-22	169	0.040 7	0.000 8	0.001 28	0.000 02	0.282 12	0.000 03	0.282 12	-19.33	2.42	2.29
DC1801-23	254	0.052 3	0.000 8	0.001 62	0.000 01	0.282 75	0.000 04	0.282 74	4.38	1.00	0.80
DC1801-28	326	0.072 2	0.001 2	0.002 25	0.000 04	0.282 48	0.000 03	0.282 46	-3.76	1.57	1.40
DC1801-39	307	0.035 7	0.000 6	0.000 90	0.000 01	0.282 71	0.000 28	0.282 71	4.48	1.03	0.84
DC1801-41	1 726	0.060 9	0.000 3	0.001 82	0.000 01	0.281 53	0.000 02	0.281 47	-7.69	2.88	2.77
DC1801-52	215	0.043 3	0.000 4	0.001 29	0.000 01	0.282 53	0.000 02	0.282 53	-3.89	1.49	1.32
DC1801-54	294	0.038 2	0.000 4	0.001 15	0.000 01	0.282 36	0.000 03	0.282 35	-8.33	1.83	1.68
DC1801-56	342	0.053 1	0.000 1	0.001 64	0.000 00	0.282 95	0.000 03	0.282 94	13.49	0.49	0.27
DC1801-60	250	0.040 7	0.000 5	0.001 25	0.000 01	0.282 66	0.000 03	0.282 66	1.41	1.18	1.00
DC1801-62	276	0.028 2	0.000 2	0.000 94	0.000 00	0.282 75	0.000 03	0.282 74	5.10	0.97	0.77
DC1801-63	2 376	0.043 0	0.000 4	0.001 27	0.000 01	0.281 30	0.000 02	0.281 24	-0.93	2.96	2.86
DC1801-69	320	0.038 4	0.000 1	0.001 14	0.000 01	0.282 56	0.000 02	0.282 55	-0.66	1.37	1.19
DC1801-70	188	0.050 8	0.000 1	0.001 56	0.000 00	0.282 65	0.000 03	0.282 64	-0.45	1.26	1.07
DC1801-74	258	0.106 3	0.001 3	0.002 84	0.000 04	0.283 16	0.000 03	0.283 15	19.00	0.07	-0.17
DC1801-75	878	0.033 1	0.000 2	0.000 91	0.000 00	0.281 92	0.000 02	0.281 91	-11.20	2.45	2.32

年龄/Ma	厚度/km	平均误差	样本数量/个	样本方差
225	45.3	5.6	2	71.55
230	54.3	6.6	1	0.00
235	—	—	—	—
240	34.0	4.3	2	24.76
245	26.6	3.5	1	0.00
250	41.6	5.2	7	327.68
255	34.5	4.4	2	3.12
260	37.7	4.7	9	116.05
265	60.6	7.2	6	576.00
270	40.7	5.1	6	203.94
275	49.7	6.0	5	314.18
280	40.5	5.0	3	58.45
285	68.9	8.2	4	280.08
290	28.4	3.7	1	0.00
295	46.4	5.7	4	284.76
三叠纪	46.1	5.7	7	385.89
古生代	50.4	6.1	100	397.10
新元古代	42.3	5.2	49	392.32
中元古代	50.0	6.1	30	617.91
古元古代	44.0	5.4	12	514.64
新太古代	50.4	6.1	5	179.24

年龄/Ma	厚度/km	平均误差	样本数量/个	样本方差
225	45.3	5.6	2	71.55
230	54.3	6.6	1	0.00
235	—	—	—	—
240	34.0	4.3	2	24.76
245	26.6	3.5	1	0.00
250	41.6	5.2	7	327.68
255	34.5	4.4	2	3.12
260	37.7	4.7	9	116.05
265	60.6	7.2	6	576.00
270	40.7	5.1	6	203.94
275	49.7	6.0	5	314.18
280	40.5	5.0	3	58.45
285	68.9	8.2	4	280.08
290	28.4	3.7	1	0.00
295	46.4	5.7	4	284.76
三叠纪	46.1	5.7	7	385.89
古生代	50.4	6.1	100	397.10
新元古代	42.3	5.2	49	392.32
中元古代	50.0	6.1	30	617.91
古元古代	44.0	5.4	12	514.64
新太古代	50.4	6.1	5	179.24

成对样本T检验项目	平均值	标准差	标准误差平均值	差值 95%置信区间			t	自由度	差异性(双尾)
成对样本T检验项目	平均值	标准差	标准误差平均值	下限	上限		t	自由度	差异性(双尾)
时代-地壳厚度	1 241.98	1 002.27	409.18	190.16		2 293.8	3.045	5	0.029

滇西点苍山变质地体三叠纪至侏罗纪沉积岩碎屑锆石源区信息及构造指示

Provenances and Tectonic Significance of Detrital Zircons from the Triassic to Jurassic Sedimentary Rocks in the Diancangshan Metamorphic Massif, Western Yunnan Province

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样品		La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
碳酸盐岩DC1702
DC1702-01		0.001		11.68		0.04		0.83		2.89		0.25		19.18		7.20		92.1		36.1		163.1		34.9		315.5		60.2		0.10
DC1702-02		0.003		6.11		0.06		1.14		2.24		0.20		13.70		4.93		64.0		25.0		117.3		26.2		239.9		43.4		0.11
DC1702-03		14.26		58.84		4.36		25.90		26.08		0.42		130.82		41.88		468.4		164.3		650.2		120.5		968.7		153.9		0.02
DC1702-04		0.004		6.28		0.06		1.01		2.88		0.36		20.33		6.88		86.2		34.4		152.8		32.5		292.5		55.2		0.14
DC1702-05		3.33		46.66		2.27		18.67		23.46		4.44		79.15		28.88		374.8		161.0		790.9		166.1		1 336.5		202.7		0.31
DC1702-06		1.61		53.43		1.45		12.28		16.56		6.28		70.18		23.50		256.3		86.8		356.5		70.4		609.3		106.4		0.56
DC1702-07		0.09		17.15		0.28		3.90		8.24		0.69		46.74		16.63		205.6		80.1		357.8		73.6		660.6		121.8		0.11
DC1702-08		4.06		72.25		9.18		86.69		94.99		41.29		226.21		64.92		579.6		155.3		564.3		108.3		907.5		139.1		0.86
DC1702-09		4.27		21.69		0.92		5.16		5.27		0.57		26.58		9.27		113.3		42.7		185.6		38.9		346.4		62.1		0.15
DC1702-10		0.02		17.17		0.13		2.21		6.56		0.35		45.00		17.57		224.3		91.8		415.8		82.3		704.7		120.2		0.06
DC1702-11		0.20		15.69		0.44		7.08		14.20		0.62		74.64		24.18		279.0		103.3		426.3		82.5		682.3		113.8		0.06
DC1702-12		0.003		20.52		0.11		2.62		8.55		0.21		56.16		21.99		279.4		111.9		494.5		102.9		924.7		167.0		0.03
DC1702-13		0.02		1.81		0.10		2.43		6.49		0.41		43.87		15.74		191.2		70.3		296.0		56.4		485.0		91.5		0.07
DC1702-14		0.07		90.05		0.35		6.33		13.68		1.12		97.09		37.06		461.5		176.7		759.3		152.7		1 270.1		206.0		0.09
DC1702-15		0.05		10.30		0.12		2.13		3.83		0.57		21.88		7.65		94.2		38.6		183.9		41.0		395.0		85.2		0.19
DC1702-16		0.04		1.08		0.07		1.40		3.70		1.69		15.88		4.65		36.2		9.2		30.9		5.2		47.0		10.3		0.67
DC1702-17		0.01		13.74		0.10		2.39		3.26		0.90		16.38		4.84		54.6		20.9		98.8		21.7		209.6		42.9		0.38
DC1702-18		0.92		30.61		1.29		12.48		15.11		4.11		58.34		21.67		256.8		97.7		439.3		91.7		819.6		146.2		0.42
DC1702-19		0.66		15.41		0.40		4.37		8.55		0.14		53.31		22.26		282.5		115.2		532.9		113.0		1 027.0		188.7		0.02
DC1702-20		2.70		28.64		2.76		20.76		23.18		9.24		66.58		22.91		229.2		68.4		293.5		69.0		681.7		123.5		0.72
DC1702-21		55.85		150.83		14.78		67.45		32.23		4.64		113.50		40.15		457.1		161.9		665.7		129.0		1 019.2		168.1		0.23
DC1702-22		0.72		70.25		0.93		12.69		25.95		3.16		139.99		48.44		562.1		195.1		777.6		140.7		1 072.7		159.6		0.16
DC1702-23		28.35		79.79		7.93		34.40		10.15		0.62		24.13		7.41		82.7		29.5		125.1		25.6		223.4		39.8		0.12
DC1702-26		1.56		41.51		1.34		10.97		14.54		2.93		78.38		30.11		362.4		137.8		603.6		120.9		1 027.0		174.5		0.27
DC1702-27		5.14		41.33		2.68		24.32		28.44		1.90		117.96		33.32		335.3		113.3		428.5		77.5		620.5		105.0		0.10
DC1702-28		1.35		18.24		0.76		5.31		6.40		0.17		42.47		17.88		241.3		100.7		474.6		103.7		982.0		187.1		0.03
DC1702-29		0.24		12.69		0.23		2.16		3.57		0.09		26.28		11.08		159.7		68.2		326.2		73.2		706.2		132.6		0.03
DC1702-31		0.68		14.20		0.77		4.19		4.68		0.09		32.04		15.53		228.3		96.9		496.3		121.8		1 257.0		247.4		0.02
DC1702-32		5.64		194.78		9.50		93.28		120.35		38.66		349.12		114.12		1 190.4		379.5		1 472.8		264.5		1 998.2		288.7		0.58
DC1702-33		0.04		12.06		0.11		1.21		2.70		0.33		14.89		5.71		68.4		27.3		126.9		28.8		276.7		54.3		0.16
DC1702-34		0.09		23.56		0.10		2.07		4.12		1.08		21.00		6.81		78.2		29.8		138.1		29.2		278.6		58.2		0.35
DC1702-35		0.01		21.49		0.06		1.33		2.95		0.27		16.31		6.46		81.6		31.8		156.8		35.1		334.5		66.3		0.12
DC1702-36		0.41		18.36		0.37		4.59		7.21		2.00		35.23		11.61		137.9		51.5		237.1		50.9		471.9		96.1		0.38
DC1702-37		0.08		64.68		0.36		7.02		13.92		0.98		68.01		21.84		250.2		89.0		386.6		78.0		659.2		110.8		0.10
DC1702-38		0.48		13.34		0.75		9.47		24.59		12.64		119.65		33.95		273.9		65.1		210.2		36.4		306.0		58.4		0.71
DC1702-41		1.22		52.86		1.24		10.64		14.50		5.08		66.76		22.83		247.9		83.7		350.8		71.1		607.3		103.2		0.50
DC1702-42		11.62		47.15		3.16		15.17		5.19		0.90		19.06		6.72		84.5		35.3		181.6		43.0		427.7		92.1		0.28
DC1702-43		0.06		50.68		0.54		7.44		15.92		1.31		104.21		40.64		530.8		207.1		930.8		190.1		1 550.9		247.9		0.10
DC1702-44		0.02		18.09		0.07		1.42		2.91		0.36		18.19		6.79		89.4		36.0		177.8		39.9		376.5		71.5		0.15
DC1702-45		0.01		2.47		0.03		0.77		3.66		0.20		33.16		12.91		154.8		55.6		239.8		48.4		419.6		79.5		0.06
DC1702-46		0.22		113.30		1.63		24.13		40.12		1.47		188.45		61.25		699.9		247.4		1 079.9		216.9		1 878.9		330.5		0.05
样品		La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
DC1702-47		0.36		34.63		0.52		6.44		10.36		1.18		53.97		19.42		236.7		91.3		413.5		83.7		718.2		130.3		0.15
DC1702-48		0.09		14.03		0.16		2.74		4.82		0.26		28.43		9.77		124.2		46.9		213.5		41.9		359.8		67.3		0.07
DC1702-49		52.30		364.07		18.06		113.08		103.05		21.54		375.11		120.99		1 245.0		384.5		1 467.9		260.9		1 960.0		292.3		0.33
DC1702-50		0.17		27.49		0.30		3.91		5.03		1.32		21.27		6.24		68.6		25.8		119.3		26.3		256.8		54.9		0.39
DC1702-51		0.02		8.22		0.13		2.27		3.92		0.28		19.79		6.87		82.7		31.3		139.0		29.1		261.0		48.7		0.10
DC1702-52		0.22		9.43		0.23		1.55		2.51		0.29		14.39		5.55		67.9		26.6		122.1		26.4		243.5		46.9		0.15
DC1702-53		0.45		26.68		0.59		8.93		12.97		1.66		54.62		15.17		154.6		52.6		214.8		40.7		332.8		65.1		0.19
DC1702-54		0.03		32.88		0.44		7.28		14.87		0.86		80.50		27.06		326.3		118.8		503.8		96.8		780.1		130.7		0.08
DC1702-55		0.60		31.03		0.54		5.40		7.25		1.12		37.89		13.46		168.7		64.8		295.8		60.7		514.6		97.5		0.21
DC1702-56		2.24		33.98		2.10		16.98		16.94		7.34		44.65		14.62		151.4		52.0		240.9		54.9		524.6		96.3		0.82
DC1702-57		6.45		36.45		2.40		13.74		8.88		1.47		33.30		10.99		129.8		48.6		222.0		46.7		422.4		81.9		0.26
DC1702-58		52.87		136.20		8.61		35.48		21.18		3.65		72.69		24.75		290.5		113.1		551.7		124.6		1 180.3		241.1		0.28
DC1702-59		0.36		14.37		0.61		3.59		5.35		1.72		24.10		8.21		93.4		34.0		150.0		32.2		286.6		52.2		0.46
DC1702-60		6.54		79.93		9.56		51.85		37.90		1.87		75.18		27.18		320.9		117.3		558.0		125.7		1 179.3		229.3		0.11
DC1702-61		0.09		16.30		0.30		4.45		6.44		2.27		31.51		9.68		111.7		43.6		198.8		44.4		422.2		83.9		0.49
DC1702-62		0.10		9.63		0.08		1.68		4.66		0.14		31.90		12.82		171.3		72.1		345.2		73.7		678.8		136.1		0.03
DC1702-63		2.51		43.93		3.82		20.84		19.05		0.69		77.05		31.66		405.3		163.0		754.6		162.7		1 452.5		267.9		0.06
DC1702-64		0.18		22.23		0.33		5.57		9.01		1.68		45.12		15.14		169.5		61.9		260.4		51.6		429.3		79.0		0.25
DC1702-65		0.18		11.05		0.08		1.50		3.83		0.18		31.04		12.11		156.6		62.7		295.2		62.5		564.4		107.8		0.05
DC1702-66		0.09		10.50		0.72		12.21		25.97		1.68		142.69		47.00		517.7		182.2		729.1		137.9		1 127.4		201.0		0.08
DC1702-67		0.22		85.99		1.06		17.87		34.09		8.45		166.19		50.89		540.9		190.0		763.1		149.3		1 236.4		217.9		0.34
DC1702-68		0.51		23.68		0.71		8.69		13.48		0.82		71.73		23.44		268.3		99.2		413.9		81.9		682.2		117.0		0.08
DC1702-69		4.28		25.20		2.78		18.10		14.60		6.51		42.56		13.23		145.6		56.3		267.7		61.9		643.9		164.8		0.80
DC1702-71		0.74		23.55		0.90		6.79		8.57		0.37		41.09		15.73		199.4		79.3		363.3		78.6		709.8		138.6		0.06
DC1702-72		21.82		78.74		7.79		40.63		13.95		2.33		41.82		11.54		132.7		49.6		222.4		46.7		424.3		87.6		0.29
DC1702-73		0.06		10.67		0.20		3.41		6.85		1.09		41.33		14.65		181.2		73.3		330.9		69.8		635.6		121.0		0.20
DC1702-76		0.36		53.17		0.77		11.28		20.66		0.68		94.07		30.96		350.5		127.5		539.4		107.8		924.3		167.1		0.05
DC1702-77		0.05		30.04		0.53		9.10		18.34		0.73		103.85		33.14		369.8		131.9		529.0		98.5		806.1		137.2		0.05
DC1702-78		0.004		6.94		0.04		0.69		1.74		0.36		11.28		3.72		47.1		19.1		92.2		20.9		197.5		38.9		0.25
DC1702-81		6.10		86.90		4.96		34.24		52.46		1.07		258.34		88.00		933.4		308.9		1 248.7		243.1		2 205.1		419.7		0.03
DC1702-82		2.01		69.79		1.38		14.68		19.90		5.47		86.33		30.60		382.7		134.0		604.0		126.6		1 161.7		213.2		0.40
DC1702-84		10.01		91.80		3.17		20.47		22.76		2.51		119.39		49.24		656.0		261.5		1 264.2		271.0		2 472.2		402.8		0.15
DC1702-85		35.18		153.35		11.35		66.60		47.00		11.21		171.25		56.86		640.6		226.0		1 070.0		236.4		2 303.4		432.4		0.38
DC1702-86		16.64		434.80		42.24		419.16		454.50		180.71		1 013.00		265.82		2 337.1		626.9		2 251.9		403.9		3 303.9		503.8		0.81
DC1702-87		20.07		221.95		22.63		180.17		172.24		71.11		374.24		98.07		855.2		225.5		855.6		177.0		1 589.7		266.4		0.86
糜棱岩化片岩DC1703
DC1703-01		0.03		2.31		0.14		4.24		15.58		0.64		84.68		36.85		364.8		107.6		382.4		79.9		740.0		102.4		0.05
DC1703-02		0.06		19.39		0.36		6.61		15.65		0.57		72.96		35.07		448.0		173.8		778.6		186.2		1 942.7		289.2		0.05
DC1703-03		5.02		68.27		1.73		9.95		11.64		0.65		43.64		18.59		221.9		80.1		331.8		76.0		750.4		106.2		0.09
DC1703-04		0.72		56.13		3.58		41.34		45.52		16.92		97.45		27.61		224.4		59.2		202.1		39.2		366.9		49.0		0.78
DC1703-05		0.01		22.95		0.07		1.99		3.36		0.55		14.85		6.88		90.8		35.9		163.7		40.4		451.3		67.7		0.24
DC1703-06		—		68.58		0.09		2.84		6.05		2.64		27.08		11.66		146.1		56.3		263.2		68.3		823.3		137.0		0.63
DC1703-07		0.02		40.40		0.10		2.73		4.72		2.08		17.59		7.56		99.5		38.0		179.3		48.5		575.7		102.3		0.70
样品		La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
DC1703-08		0.01		14.63		0.01		0.78		1.59		0.66		8.35		4.45		61.9		25.3		120.5		32.0		368.5		56.1		0.55
DC1703-09		0.47		8.56		0.82		12.83		22.48		1.42		83.76		35.10		426.8		152.0		624.2		143.8		1 448.7		207.8		0.10
DC1703-10		—		23.89		0.35		6.69		13.25		0.82		46.40		18.51		213.1		75.6		304.8		67.7		676.7		92.4		0.10
DC1703-11		0.63		19.92		1.30		16.04		27.10		2.01		82.58		34.07		398.2		137.7		594.4		139.5		1 426.5		209.3		0.13
DC1703-12		0.11		31.68		1.07		17.06		32.67		6.49		115.87		45.20		512.8		170.6		675.8		144.3		1 383.9		190.1		0.32
DC1703-15		0.02		8.05		0.27		5.70		15.72		1.15		58.27		21.11		180.1		44.4		140.4		25.7		224.0		27.5		0.12
DC1703-16		0.20		3.42		0.29		4.78		13.77		0.36		86.14		48.14		641.7		249.6		1 086.9		2 47.3		2 498.7		354.5		0.03
DC1703-17		2.49		100.69		4.95		40.02		40.06		15.24		80.52		31.33		315.0		94.8		365.0		79.3		738.7		103.1		0.82
DC1703-18		0.03		2.03		0.14		2.68		7.14		0.27		41.52		24.88		339.8		132.8		604.0		144.9		1 456.6		215.4		0.05
DC1703-19		0.12		5.02		0.22		5.69		19.17		0.60		76.40		28.16		237.3		56.2		165.8		28.1		228.5		26.8		0.05
DC1703-20		3.77		46.15		1.48		11.42		11.37		1.24		47.27		22.29		296.7		114.7		511.4		117.6		1 223.2		176.3		0.16
DC1703-21		1.19		12.62		1.21		17.86		34.22		0.95		133.09		58.75		673.6		249.6		1 022.4		229.2		2 265.4		321.0		0.04
DC1703-22		0.07		25.53		0.20		4.89		10.61		1.48		38.30		16.90		186.1		66.1		263.0		59.1		596.3		85.6		0.22
DC1703-23		0.37		29.07		1.72		32.96		60.08		13.66		215.02		89.29		965.9		317.8		1 213.2		252.2		2 303.4		307.6		0.37
DC1703-24		0.13		32.37		0.52		6.14		7.40		1.31		18.70		6.64		68.7		22.8		97.9		23.0		255.6		40.6		0.34
DC1703-25		0.05		2.82		0.16		4.14		15.94		0.47		92.50		53.92		719.3		281.3		1 248.0		289.2		2 867.4		412.4		0.04
DC1703-26		3.28		174.82		1.05		10.08		14.21		3.69		47.79		19.31		210.9		74.1		302.0		67.6		684.4		101.0		0.43
DC1703-27		421.30		952.83		114.82		492.09		85.76		13.92		88.97		13.26		112.6		36.2		156.3		37.6		419.7		65.6		0.49
DC1703-28		—		2.94		0.04		1.19		4.54		0.33		20.03		9.98		115.2		40.2		175.6		44.6		524.1		85.0		0.11
DC1703-29		0.01		35.30		0.10		2.18		5.36		1.34		23.75		11.14		137.1		49.6		211.8		48.9		509.4		75.4		0.36
DC1703-30		0.41		56.84		2.25		29.75		38.81		3.87		111.37		39.97		422.8		137.2		520.2		106.8		1 050.2		142.4		0.18
DC1703-31		—		5.15		0.13		2.58		8.64		0.26		40.09		20.19		214.9		68.2		245.4		50.5		479.2		67.7		0.04
DC1703-32		—		2.97		0.11		4.26		12.87		0.31		64.39		30.92		359.6		122.2		464.9		100.4		981.7		138.6		0.03
DC1703-33		0.04		9.81		0.47		7.91		17.18		0.75		61.55		24.83		242.8		71.7		250.0		50.1		443.1		60.3		0.07
DC1703-34		0.02		13.81		0.12		2.90		7.44		0.91		44.97		27.64		380.2		137.9		541.6		108.5		920.0		123.9		0.15
DC1703-35		—		18.92		0.16		4.46		11.49		0.49		60.70		30.12		381.5		139.8		589.5		133.0		1 328.9		186.8		0.06
DC1703-36		134.72		287.41		34.94		144.22		36.40		5.75		60.42		19.39		214.8		77.6		344.4		80.2		821.1		130.5		0.37
DC1703-39		0.06		1.89		0.19		2.22		6.75		0.17		44.39		28.65		361.6		140.5		638.8		150.5		1 591.2		215.6		0.03
DC1703-40		0.19		11.52		0.38		7.52		17.35		0.81		79.04		42.09		572.3		226.3		1 025.9		244.9		2 554.4		376.6		0.07
DC1703-41		—		10.41		0.13		2.86		7.33		0.25		37.22		20.51		276.2		110.5		489.0		117.6		1 232.5		179.9		0.05
DC1703-42		0.01		20.73		0.21		4.65		8.58		2.30		31.40		13.99		170.3		63.2		274.6		65.7		697.3		104.0		0.43
DC1703-43		0.14		89.40		0.60		11.03		18.75		4.94		65.21		28.21		358.7		142.6		650.2		161.8		1 789.2		280.9		0.43
DC1703-44		0.08		16.76		0.20		4.59		12.03		0.94		55.19		28.52		358.5		140.4		604.1		136.3		1 396.8		206.9		0.11
DC1703-45		0.01		21.55		0.42		7.32		9.26		2.20		29.61		11.68		124.4		41.9		170.1		39.1		416.9		61.6		0.41
DC1703-46		1.68		19.94		2.82		29.08		39.65		6.03		123.74		55.77		629.6		214.1		854.6		178.8		1 666.8		234.5		0.26
DC1703-47		0.21		20.71		0.61		7.42		10.72		2.02		41.50		24.38		337.0		139.6		648.9		160.8		1 745.8		259.7		0.29
DC1703-48		0.09		26.64		0.21		4.83		14.28		10.08		58.40		21.68		190.2		54.8		191.1		39.0		382.9		54.3		1.07
DC1703-49		0.03		299.80		0.52		13.09		33.82		14.80		170.89		77.04		981.6		374.4		1 541.0		344.9		3 365.3		503.2		0.60
DC1703-50		—		49.99		0.06		2.53		4.61		0.98		16.84		7.28		84.4		32.8		142.7		33.9		365.3		54.8		0.34
DC1703-51		31.16		143.92		16.88		103.02		53.25		2.14		104.85		37.87		423.4		153.1		640.6		137.8		1 336.4		201.8		0.09
DC1703-52		7.88		59.35		6.74		46.63		30.65		5.92		62.83		25.74		303.7		114.3		507.0		122.5		1 346.0		206.3		0.41
DC1703-53		0.10		20.59		0.17		4.14		12.40		2.28		50.94		24.65		300.3		114.7		501.7		114.2		1 157.1		175.1		0.28
DC1703-54		0.06		8.65		0.27		5.76		15.17		0.13		61.60		28.08		331.4		119.4		493.5		108.2		1 050.5		151.0		0.013
样品		La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
DC1703-55		0.02		9.78		0.11		3.12		8.53		0.29		50.47		28.40		371.8		151.4		700.3		168.0		1 741.9		258.4		0.04
DC1703-56		0.36		14.64		0.09		1.26		1.88		0.82		7.51		4.05		55.5		23.6		126.6		35.3		464.2		86.6		0.67
DC1703-57		—		13.67		0.34		7.27		17.73		2.20		83.22		39.87		500.9		185.3		798.3		173.7		1 723.1		251.9		0.18
DC1703-58		0.04		43.24		0.24		5.64		10.87		2.62		38.52		18.52		231.9		93.0		431.6		104.9		1 170.6		182.1		0.39
DC1703-59		0.12		3.50		0.26		5.58		14.83		0.32		74.68		36.80		469.1		179.0		791.9		181.2		1 820.0		260.8		0.03
DC1703-60		—		42.93		0.10		2.53		4.64		0.44		16.72		8.53		111.9		49.0		249.2		71.7		869.0		137.1		0.15
DC1703-63		0.04		38.68		0.35		9.29		39.13		2.52		195.85		82.97		863.7		268.3		1 017.3		207.0		1 919.0		264.6		0.09
DC1703-64		0.14		3.08		0.05		0.86		1.16		0.21		9.24		6.53		98.1		37.3		161.3		34.3		322.1		48.2		0.20
DC1703-65		0.05		54.72		0.51		10.15		18.35		4.37		46.33		17.48		180.9		62.8		269.4		62.9		644.4		102.8		0.46
DC1703-66		0.08		10.81		0.16		4.75		9.84		1.38		39.69		18.10		221.9		78.6		337.1		73.8		750.7		107.8		0.21
DC1703-67		0.10		73.04		0.56		9.22		13.17		2.57		34.42		12.87		126.2		39.0		151.0		32.3		312.7		43.9		0.37
DC1703-68		0.02		18.07		0.05		1.81		3.92		0.59		18.30		10.50		144.7		61.1		306.9		79.5		928.4		149.9		0.21
DC1703-69		—		56.60		0.25		5.74		12.30		0.51		52.81		25.58		318.9		120.1		509.2		113.4		1 109.6		159.2		0.06
DC1703-70		—		12.68		0.41		7.17		13.64		1.03		44.44		19.00		217.1		78.6		338.8		76.7		762.0		111.7		0.13
DC1703-71		0.06		3.54		0.11		3.05		11.05		0.58		68.38		44.96		657.2		264.7		1 248.3		290.1		2 989.9		436.1		0.06
DC1703-72		0.003		40.18		0.70		14.00		23.69		5.69		76.35		33.28		384.6		138.6		588.4		132.0		1 316.5		191.5		0.41
DC1703-73		0.06		5.29		0.99		18.77		33.60		1.55		112.71		40.27		366.1		102.8		363.8		75.0		743.0		104.8		0.08
DC1703-74		0.05		5.70		0.18		5.30		13.87		0.40		68.83		33.37		423.6		157.5		684.2		153.1		1 533.2		224.2		0.04
DC1703-75		—		—		—		—		—		—		—		—		—		—		—		—		—		—		—
DC1703-76		—		4.79		0.24		5.08		16.35		0.51		86.23		51.08		701.8		274.5		1 246.3		278.8		2 844.1		404.0		0.04
DC1703-77		0.15		15.22		1.15		18.82		30.04		4.67		68.63		21.13		165.3		37.1		102.1		16.6		133.5		15.7		0.31
DC1703-78		0.04		32.71		0.19		3.51		7.34		1.90		22.29		10.76		127.1		48.7		227.6		58.3		670.8		104.3		0.45
DC1703-79		0.01		120.37		0.20		6.57		14.97		2.82		56.35		27.48		342.8		124.9		554.9		125.5		1 310.4		189.2		0.30
DC1703-80		0.20		39.56		0.92		14.65		27.18		2.36		88.12		39.16		441.1		149.3		612.5		122.0		1 206.8		165.2		0.15
DC1703-81		38.65		136.45		12.91		70.84		43.91		4.67		86.14		32.03		327.4		108.5		429.8		90.2		880.1		125.3		0.23
DC1703-82		0.05		26.60		0.06		2.08		5.32		0.13		22.98		13.85		183.8		72.1		326.2		73.2		740.6		106.7		0.04
DC1703-83		0.01		15.95		0.42		6.08		12.74		0.50		38.82		17.23		194.0		69.4		290.5		64.3		648.7		94.2		0.07
DC1703-84		0.03		38.82		0.17		4.19		10.53		2.00		49.17		27.52		382.3		159.7		786.9		202.7		2 381.6		380.4		0.27
DC1703-87		0.04		10.85		0.27		5.11		16.16		0.32		71.69		38.77		468.2		171.1		717.5		159.8		1 602.6		216.6		0.03
DC1703-88		0.03		10.90		0.26		6.06		14.89		0.29		62.67		32.12		400.1		153.6		660.6		149.2		1 471.9		215.6		0.03
DC1703-89		—		5.99		0.38		7.94		17.52		0.27		76.23		38.96		478.3		177.4		731.9		159.6		1 559.1		225.7		0.02
DC1703-90		5.85		16.36		1.45		9.62		15.96		1.13		70.33		27.84		328.2		121.8		500.5		110.6		1 114.6		163.2		0.10
DC1703-91		0.21		37.28		0.33		5.15		10.46		1.89		40.47		18.61		213.2		81.0		355.4		81.3		859.0		129.3		0.28
DC1703-92		—		2.58		0.19		5.41		22.94		0.87		85.59		32.70		256.3		61.5		184.2		32.4		282.9		34.6		0.06
DC1703-93		0.02		29.38		0.28		4.06		8.83		0.50		33.02		15.25		187.7		67.6		288.6		65.2		666.3		100.2		0.09
DC1703-94		—		8.66		0.14		3.13		8.29		0.71		43.21		22.51		305.8		122.5		556.6		133.2		1 411.9		212.9		0.11
DC1703-95		0.04		5.73		0.05		1.58		6.79		0.55		45.60		28.21		322.4		99.9		376.2		78.0		762.9		109.5		0.10
DC1703-96		0.06		17.42		0.61		12.55		26.94		1.50		92.44		39.26		435.2		150.5		603.2		130.1		1 262.4		173.3		0.09
DC1703-97		0.30		173.27		1.33		19.43		30.84		1.03		113.21		57.27		702.2		264.7		1 136.8		250.6		2 436.1		326.5		0.05
DC1703-98		0.02		23.85		0.09		2.03		5.46		1.14		23.15		12.21		157.6		63.1		303.6		77.0		867.3		140.2		0.31
DC1703-99		0.04		2.53		0.16		3.60		15.18		0.30		90.06		54.50		748.4		297.8		1 333.0		304.3		3 080.0		431.4		0.02
DC1703-100		0.01		68.41		0.09		3.52		7.59		0.79		29.48		15.01		190.1		73.2		323.6		76.0		780.0		117.8		0.04
样品		La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
变质砂岩DC1801
DC1801-01		—		0.20		—		—		0.13		0.10		1.21		0.26		4.2		1.2		4.0		0.8		7.7		0.9		0.76
DC1801-02		0.04		1.63		0.16		2.06		3.64		0.31		22.16		7.60		99.0		39.9		180.4		38.5		362.1		58.6		0.11
DC1801-03		0.14		0.79		0.05		0.64		4.48		0.10		34.18		16.99		209.8		65.9		236.0		42.8		345.9		48.4		0.02
DC1801-04		0.27		25.04		0.25		3.03		2.50		1.47		12.46		3.12		43.4		14.5		59.1		13.6		156.1		27.2		0.81
DC1801-05		—		5.06		—		—		1.56		0.50		2.65		0.41		11.5		3.6		20.0		7.6		77.5		12.9		0.75
DC1801-06		—		0.26		0.21		0.63		1.56		—		0.30		0.66		5.0		2.1		6.3		1.5		8.7		1.3		—
DC1801-07		1.55		52.74		0.82		5.61		4.94		2.02		14.37		5.65		59.9		21.8		96.8		22.8		253.9		40.4		0.73
DC1801-10		—		12.44		0.03		0.93		2.27		0.14		11.85		4.48		53.4		21.2		95.9		21.5		217.9		39.6		0.08
DC1801-11		0.08		21.85		0.25		0.56		1.83		0.45		13.26		4.23		69.0		27.9		143.7		37.9		462.3		110.6		0.28
DC1801-12		0.03		26.48		0.11		1.34		2.66		0.55		14.57		4.77		52.8		17.1		67.9		12.5		106.0		19.9		0.27
DC1801-13		0.34		31.86		0.46		2.64		4.46		1.74		9.58		3.04		30.1		10.3		49.5		10.6		102.4		21.4		0.81
DC1801-14		0.06		10.68		0.14		0.86		1.62		0.43		7.73		2.43		29.8		12.1		58.5		14.0		148.0		33.1		0.37
DC1801-15		10.89		42.16		3.43		14.96		5.30		0.88		17.43		6.04		81.4		33.5		162.4		37.2		368.6		74.5		0.28
DC1801-16		98.59		322.94		34.31		148.50		33.72		3.98		56.61		9.13		82.6		21.1		82.6		15.6		162.0		28.4		0.28
DC1801-17		78.40		192.26		24.81		110.16		23.28		3.48		37.44		8.69		90.1		33.7		147.3		31.7		304.4		62.0		0.36
DC1801-18		0.07		3.29		0.29		5.25		8.64		0.61		42.20		14.15		165.0		58.0		239.6		47.6		418.5		72.9		0.10
DC1801-19		0.01		5.09		0.06		1.15		2.78		0.45		14.84		5.06		63.4		23.4		103.4		22.1		199.1		38.5		0.21
DC1801-20		—		5.17		0.10		1.88		5.77		1.59		34.01		11.40		139.5		52.9		224.5		43.5		364.9		67.8		0.35
DC1801-21		0.66		10.36		0.60		5.71		6.19		0.70		24.56		7.15		81.6		28.6		118.0		23.9		215.9		39.4		0.17
DC1801-22		—		5.99		0.02		0.78		4.61		0.79		36.82		15.41		221.3		88.4		416.5		86.1		805.4		139.5		0.18
DC1801-23		—		9.62		0.05		1.28		3.11		0.38		22.10		7.83		100.9		40.8		184.0		39.9		370.8		72.7		0.14
DC1801-24		0.01		13.63		0.11		1.45		3.22		0.07		20.28		7.53		86.3		31.9		132.4		26.5		233.6		39.4		0.03
DC1801-25		8.15		41.91		2.01		12.15		8.77		1.04		35.02		10.99		127.5		45.4		194.0		38.7		352.8		65.4		0.18
DC1801-26		—		0.15		—		0.14		0.24		0.11		0.48		0.14		3.2		1.0		3.8		0.5		5.0		0.8		1.03
DC1801-27		0.07		0.54		0.10		—		—		—		1.56		1.29		11.2		2.6		8.0		2.0		14.8		1.9		0.00
DC1801-28		0.19		3.70		0.23		2.19		5.54		0.53		29.62		10.18		114.4		40.5		170.2		31.9		280.7		52.0		0.13
DC1801-29		0.01		0.01		0.01		0.19		3.66		0.02		23.01		13.24		144.0		34.6		128.7		32.6		356.6		47.4		0.005
DC1801-30		0.22		26.66		0.46		1.89		3.77		1.08		12.70		4.34		69.2		28.1		135.6		30.4		307.1		60.6		0.48
DC1801-31		0.03		4.38		0.03		0.97		5.36		0.26		58.04		29.63		417.4		169.3		804.2		178.2		1 721.6		302.3		0.05
DC1801-34		0.02		8.62		0.10		1.01		0.48		0.50		11.06		4.98		67.6		26.6		135.3		32.2		333.5		58.8		0.66
DC1801-35		0.34		31.48		0.36		1.82		1.73		1.02		8.06		1.90		26.3		12.1		62.7		15.7		187.7		47.5		0.83
DC1801-36		—		6.66		0.11		2.19		4.32		1.14		26.70		9.79		121.8		47.8		210.8		43.3		397.4		79.3		0.32
DC1801-37		0.01		3.12		0.11		1.77		3.89		0.57		26.50		9.17		117.4		43.9		186.7		38.7		369.9		59.8		0.17
DC1801-38		0.04		9.78		0.13		2.11		4.58		0.54		22.97		8.00		97.0		37.7		162.5		35.5		336.0		61.2		0.16
DC1801-39		0.03		11.52		0.03		0.54		1.45		0.34		6.86		2.43		33.7		14.2		70.5		16.0		163.7		34.1		0.33
DC1801-40		—		6.99		—		0.69		1.09		0.33		9.46		3.42		45.5		21.7		116.4		27.4		294.1		65.3		0.31
DC1801-41		2.07		126.13		2.59		18.41		17.32		8.60		36.75		10.57		106.2		28.9		113.3		22.3		227.2		38.8		1.04
DC1801-42		0.03		10.21		0.03		0.58		0.56		0.40		2.09		0.55		6.2		2.3		12.5		3.0		33.2		7.3		1.14
DC1801-43		0.08		11.70		0.07		1.72		3.54		0.62		20.76		7.37		91.4		36.7		164.7		35.6		326.0		63.7		0.22
DC1801-44		4.24		200.65		6.21		39.95		28.23		8.71		65.56		19.65		194.2		58.0		250.9		49.9		470.8		73.6		0.62
DC1801-45		0.02		29.30		0.04		0.95		0.80		0.55		7.54		1.79		27.8		10.9		56.1		12.5		133.9		30.0		0.69
DC1801-46		0.47		19.64		0.26		1.79		1.49		0.31		7.91		3.49		40.2		16.4		73.4		16.3		163.1		31.3		0.28
样品	La/		Ce/		Pr/		Nd/		Sm/		Eu/		Gd/		Tb/		Dy/		Ho/		Er/		Tm/		Yb/		Lu/		Eu/ Eu^*
样品	(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		(μg/g)		Eu/ Eu^*
DC1801-47	—		4.52		0.53		7.55		15.68		3.83		57.63		15.17		134.2		35.2		108.6		16.9		157.4		20.3		0.39
DC1801-48	—		0.32		0.01		0.18		—		0.10		0.50		0.23		2.3		1.2		6.2		1.4		13.8		4.2		—
DC1801-49	0.07		17.94		0.18		3.19		5.60		1.30		25.13		7.95		100.6		38.8		177.2		37.8		371.3		72.6		0.33
DC1801-50	0.66		1.11		0.12		0.50		0.12		0.26		—		0.01		0.025 18		0.006 59		0.009 35		—		0.1		—		—
DC1801-51	0.01		1.79		0.02		0.52		1.07		0.03		11.82		6.20		86.4		38.7		183.2		39.3		373.8		67.4		0.024
DC1801-52	0.04		3.49		0.13		2.04		5.62		0.62		29.87		11.24		136.1		50.7		218.4		43.7		396.8		71.2		0.15
DC1801-53	0.01		7.44		0.07		1.19		2.23		0.08		10.29		3.28		29.5		8.6		26.5		4.7		41.9		7.9		0.05
DC1801-54	0.07		9.86		0.08		1.37		2.12		0.54		13.93		5.85		79.7		32.5		149.3		33.4		312.4		57.3		0.30
DC1801-55	0.07		0.85		0.16		1.47		4.23		0.09		33.87		16.24		243.0		101.6		478.4		107.2		995.0		176.1		0.023
DC1801-56	0.49		20.56		0.32		3.94		5.45		1.80		28.65		8.40		99.4		38.6		171.5		36.4		330.0		69.2		0.44
DC1801-57	4.12		23.53		2.48		17.64		10.74		1.69		27.76		7.77		88.7		33.6		146.0		31.1		293.7		53.2		0.30
DC1801-58	5.87		33.60		1.19		8.13		4.48		—		29.60		8.25		135.6		50.4		208.9		45.5		681.7		64.8		—
DC1801-59	5.03		86.89		12.47		94.16		88.63		37.29		216.49		72.40		696.6		204.7		732.4		134.7		990.6		170.5		0.82
DC1801-60	0.20		34.77		0.29		2.86		4.39		1.44		14.05		4.36		55.8		21.0		92.9		21.3		196.4		37.0		0.56
DC1801-61	1.12		19.57		0.70		4.09		2.57		0.31		16.58		7.38		104.4		45.8		223.9		51.2		515.1		104.7		0.15
DC1801-62	0.03		9.28		0.04		0.27		0.80		0.15		4.25		1.80		25.1		11.3		61.0		16.2		191.6		43.9		0.24
DC1801-63	0.15		10.07		0.25		1.85		2.30		1.56		9.65		2.57		28.3		10.6		49.3		12.3		136.6		28.9		1.01
DC1801-64	0.82		2.05		0.00		1.00		1.66		0.27		13.39		4.79		62.9		20.7		89.9		25.6		271.0		30.4		0.17
DC1801-65	—		12.73		0.06		1.09		2.60		1.22		14.82		5.76		73.9		28.2		129.3		29.9		298.2		54.1		0.60
DC1801-66	0.01		15.91		0.06		1.92		10.88		1.71		84.56		30.33		382.6		139.5		559.5		103.3		870.0		141.1		0.17
DC1801-67	0.003		7.12		0.02		0.45		1.80		0.30		11.64		4.34		57.8		24.5		112.0		23.9		228.2		46.2		0.20
DC1801-68	4.67		15.55		0.96		3.46		1.02		0.16		3.98		1.64		20.4		7.6		34.4		8.5		82.9		17.2		0.23
DC1801-69	0.005		5.38		0.03		0.50		1.07		0.43		8.59		3.26		42.5		17.7		83.3		18.7		180.3		37.8		0.44
DC1801-70	0.003		2.55		0.03		0.54		2.22		0.35		22.59		9.96		135.2		55.9		248.6		52.7		473.8		88.4		0.15
DC1801-71	1.23		7.07		0.38		3.22		5.18		0.20		28.15		11.77		161.9		62.3		296.4		73.2		767.2		150.2		0.05
DC1801-72	0.04		8.55		0.03		0.57		1.18		0.30		8.43		3.32		46.4		15.3		72.3		14.9		152.2		27.7		0.30
DC1801-73	0.05		12.11		0.14		2.08		3.59		0.79		21.29		7.81		97.9		40.2		184.4		40.0		370.7		71.3		0.27
DC1801-74	0.002		6.49		0.17		2.87		6.98		2.08		41.57		14.43		177.6		64.9		268.6		51.7		435.5		76.3		0.37
DC1801-75	—		3.01		0.26		3.65		8.49		0.48		33.28		9.31		99.7		34.4		135.0		26.9		233.6		41.8		0.09
DC1801-76	—		13.00		0.09		1.69		2.27		1.09		10.01		3.11		37.9		14.5		68.3		15.9		169.0		34.8		0.70

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