现代地质 ›› 2023, Vol. 37 ›› Issue (03): 733-744.DOI: 10.19657/j.geoscience.1000-8527.2021.153
王续学1(), 张祥玉2,3, 李守军1,3(), 张家豪1, 张振宇1
收稿日期:
2021-05-12
修回日期:
2023-03-28
出版日期:
2023-06-10
发布日期:
2023-07-20
通讯作者:
李守军,男,教授,1962年出生,古生物与地层学专业,主要从事古生物地层学和油气地质学研究。Email:lishoujun@126.com。
作者简介:
王续学,男,硕士研究生,1993年出生,地质资源与地质工程专业,主要从事沉积学和油气地质学研究。Email:wangxuxue12@163.com。
基金资助:
WANG Xuxue1(), ZHANG Xiangyu2,3, LI Shoujun1,3(), ZHANG Jiahao1, ZHANG Zhenyu1
Received:
2021-05-12
Revised:
2023-03-28
Online:
2023-06-10
Published:
2023-07-20
摘要:
咸化湖盆泥岩和页岩的地球化学特征对咸化烃源岩的形成条件和沉积环境具有重要指示意义。对山东莱阳凹陷下白垩统莱阳群泥岩和页岩的氧化还原敏感微量元素(RSE,包括Mo、Cr、Zn、Cu、Ni、Co、V、As、U和Th)和总有机碳(TOC)进行分析,旨在恢复研究区氧化还原环境和探讨盐湖有机质富集的控制因素。研究结果显示,瓦屋夼组和止凤庄组泥岩的TOC含量较低,RSE没有明显富集,RSE及其比值(U/Th、Cu/Zn、V/Cr和Ni/Co)反映该沉积时期为氧化环境;水南组黑色泥页岩的TOC含量骤增,RSE显著富集,反映该沉积时期为弱还原环境;龙旺庄组和曲格庄组TOC含量迅速减小,RSE含量较低,反映该沉积时期为富氧环境。水南组黑色页岩有机质的富集与古气候、古生产力、古盐度和氧化还原条件等综合因素有关,其中古气候是导致古生产力、古盐度和氧化还原条件等因素变化的主控因素。
中图分类号:
王续学, 张祥玉, 李守军, 张家豪, 张振宇. 莱阳凹陷莱阳群黑色页岩氧化还原敏感微量元素特征与有机质富集的控制因素[J]. 现代地质, 2023, 37(03): 733-744.
WANG Xuxue, ZHANG Xiangyu, LI Shoujun, ZHANG Jiahao, ZHANG Zhenyu. Redox Sensitive Trace Element Compositions of the Shuinan Formation Black Shale in the Laiyang Sag: Controlling Factors of Organic Matter Enrichment[J]. Geoscience, 2023, 37(03): 733-744.
图1 胶莱盆地区域地质简图(据文献[13??-16]修改) (a)胶莱盆地的构造位置;(b)胶莱盆地的构造单元;(c)莱阳凹陷早白垩世地层格架
Fig.1 Regional geological maps of Jiaolai Basin (modified after references [13??-16])
样品号 | Ni | Cu | Mo | U | As | Th | Co | V | Ba | Cr | Zn |
---|---|---|---|---|---|---|---|---|---|---|---|
WWK-01 | 23.06 | 25.50 | 2.12 | 5.19 | 11.51 | 9.05 | 6.67 | 89.51 | 476.24 | 42.30 | 39.27 |
WWK-02 | 30.46 | 23.46 | 2.22 | 5.09 | 5.70 | 8.69 | 14.61 | 92.55 | 424.62 | 47.29 | 47.23 |
WWK-03 | 39.50 | 14.92 | 2.15 | 1.33 | 3.04 | 6.27 | 15.08 | 55.44 | 290.20 | 29.56 | 30.91 |
WWK-04 | 40.33 | 25.95 | 4.06 | 1.73 | 5.11 | 6.64 | 20.10 | 56.36 | 250.41 | 35.72 | 77.42 |
WWK-05 | 19.59 | 25.92 | 1.87 | 2.18 | 2.26 | 8.18 | 5.82 | 77.36 | 406.23 | 40.07 | 57.22 |
WWK-06 | 33.73 | 32.10 | 0.49 | 1.70 | 3.65 | 10.11 | 20.29 | 76.34 | 542.58 | 70.24 | 55.67 |
WWK-07 | 31.11 | 31.54 | 0.35 | 3.39 | 3.32 | 18.08 | 13.21 | 91.71 | 530.47 | 76.40 | 75.01 |
WWK-08 | 39.94 | 29.73 | 0.42 | 1.82 | 3.51 | 12.27 | 15.18 | 80.73 | 721.39 | 73.44 | 77.13 |
WWK-09 | 39.57 | 35.06 | 0.27 | 2.29 | 2.37 | 14.98 | 13.08 | 94.80 | 709.63 | 73.37 | 74.60 |
WWK-10 | 31.85 | 33.61 | 0.44 | 3.15 | 3.62 | 14.82 | 9.91 | 107.05 | 470.42 | 82.55 | 60.20 |
WWK-11 | 23.48 | 10.67 | 0.51 | 2.72 | 2.51 | 15.87 | 11.21 | 68.91 | 355.16 | 58.31 | 57.15 |
ZFZ-01 | 23.10 | 37.20 | 1.80 | 5.32 | 19.41 | 10.15 | 8.87 | 78.48 | 227.29 | 39.24 | 89.05 |
ZFZ-02 | 24.40 | 15.00 | 0.52 | 2.25 | 1.51 | 15.07 | 12.71 | 65.63 | 793.82 | 55.45 | 71.77 |
ZFZ-03 | 32.40 | 15.70 | 0.70 | 2.24 | 2.24 | 16.44 | 13.86 | 95.00 | 534.89 | 72.41 | 61.93 |
ZFZ-04 | 20.39 | 31.80 | 0.57 | 2.26 | 1.27 | 11.19 | 6.55 | 77.32 | 1030.64 | 60.07 | 50.52 |
ZFZ-05 | 23.34 | 8.28 | 0.34 | 2.89 | 1.36 | 12.33 | 6.95 | 136.91 | 411.13 | 84.12 | 55.93 |
ZFZ-06 | 21.99 | 10.20 | 0.47 | 1.64 | 0.81 | 10.47 | 11.68 | 56.01 | 689.17 | 38.79 | 52.68 |
ZFZ-07 | 32.46 | 11.90 | 1.06 | 2.19 | 2.09 | 11.21 | 12.81 | 79.99 | 448.80 | 54.23 | 56.16 |
ZFZ-08 | 33.90 | 17.00 | 0.69 | 1.68 | 1.88 | 15.30 | 13.04 | 95.41 | 647.47 | 80.42 | 66.91 |
SN-01 | 32.12 | 26.40 | 2.59 | 1.21 | 6.14 | 3.75 | 13.34 | 71.18 | 467.10 | 47.04 | 95.59 |
SN-02 | 55.59 | 60.50 | 6.89 | 4.56 | 54.47 | 18.80 | 21.11 | 110.48 | 744.23 | 80.21 | 91.52 |
SN-03 | 31.49 | 52.60 | 74.6 | 16.80 | 55.34 | 26.68 | 13.53 | 111.70 | 483.71 | 50.00 | 132.21 |
SN-04 | 49.26 | 49.10 | 98.4 | 12.25 | 60.85 | 12.63 | 25.79 | 128.36 | 492.06 | 52.91 | 145.85 |
SN-05 | 51.23 | 46.20 | 4.11 | 2.04 | 16.59 | 8.12 | 17.20 | 110.27 | 554.99 | 80.49 | 104.75 |
SN-06 | 25.65 | 48.10 | 6.37 | 4.55 | 22.97 | 7.88 | 12.99 | 119.16 | 910.32 | 67.05 | 85.01 |
SN-07 | 33.53 | 33.00 | 0.72 | 1.17 | 14.97 | 10.66 | 13.56 | 121.05 | 544.61 | 79.95 | 115.31 |
SN-08 | 25.82 | 39.30 | 52.3 | 6.34 | 15.68 | 5.85 | 11.88 | 147.30 | 606.56 | 44.96 | 304.25 |
SN-09 | 29.58 | 34.90 | 1.84 | 1.67 | 4.41 | 4.93 | 22.76 | 107.20 | 584.71 | 69.34 | 35.34 |
SN-10 | 29.81 | 31.10 | 9.98 | 4.99 | 8.09 | 11.29 | 14.91 | 110.44 | 461.76 | 38.20 | 85.11 |
SN-11 | 16.66 | 36.90 | 6.52 | 6.14 | 9.99 | 18.02 | 7.63 | 104.87 | 417.89 | 40.16 | 95.78 |
SN-12 | 26.30 | 43.90 | 4.79 | 19.04 | 17.50 | 33.19 | 9.78 | 92.06 | 1669.63 | 39.62 | 84.22 |
SN-13 | 49.89 | 44.20 | 2.62 | 3.87 | 44.94 | 11.24 | 23.58 | 105.11 | 593.81 | 63.77 | 191.34 |
SN-14 | 52.64 | 53.90 | 0.77 | 3.80 | 35.25 | 13.84 | 24.43 | 122.76 | 613.21 | 75.76 | 120.24 |
SN-15 | 67.96 | 46.30 | 0.50 | 1.11 | 3.30 | 11.91 | 38.00 | 101.36 | 658.23 | 67.28 | 115.52 |
SN-16 | 39.40 | 61.80 | 48.9 | 10.13 | 12.65 | 11.69 | 26.84 | 171.63 | 645.25 | 62.65 | 131.30 |
SN-17 | 49.23 | 65.60 | 39.9 | 15.64 | 13.28 | 16.36 | 31.23 | 183.47 | 671.44 | 63.51 | 122.06 |
SN-18 | 40.78 | 47.90 | 1.96 | 3.10 | 9.77 | 17.43 | 13.71 | 121.62 | 849.65 | 71.23 | 115.43 |
SN-19 | 18.34 | 42.00 | 12.77 | 11.04 | 7.11 | 15.58 | 5.83 | 120.58 | 552.93 | 47.71 | 60.58 |
SN-20 | 29.24 | 38.50 | 2.01 | 5.87 | 4.59 | 20.63 | 15.43 | 97.92 | 665.01 | 60.42 | 102.74 |
SN-21 | 18.45 | 50.60 | 42.2 | 12.82 | 8.45 | 17.41 | 9.68 | 99.12 | 572.07 | 45.16 | 70.55 |
SN-22 | 20.65 | 48.10 | 28.1 | 13.11 | 20.47 | 15.73 | 12.99 | 102.58 | 593.91 | 41.82 | 54.68 |
SN-23 | 25.31 | 30.70 | 1.70 | 1.61 | 13.44 | 12.91 | 10.56 | 77.03 | 729.90 | 45.56 | 80.09 |
SN-24 | 30.11 | 40.70 | 19.07 | 11.00 | 5.24 | 13.44 | 14.30 | 101.02 | 406.67 | 46.33 | 85.93 |
SN-25 | 47.29 | 36.80 | 0.95 | 2.70 | 1.77 | 16.36 | 16.25 | 124.31 | 496.99 | 83.66 | 114.81 |
SN-26 | 44.08 | 48.10 | 0.43 | 2.63 | 1.57 | 16.96 | 14.40 | 139.84 | 482.42 | 102.93 | 96.54 |
SN-27 | 23.58 | 39.10 | 6.33 | 6.99 | 12.23 | 17.01 | 13.28 | 112.77 | 531.83 | 61.82 | 79.62 |
SN-28 | 65.11 | 44.70 | 15.45 | 7.50 | 42.44 | 19.33 | 39.45 | 130.29 | 642.45 | 79.64 | 134.90 |
SN-29 | 25.13 | 17.40 | 0.96 | 1.77 | 2.73 | 8.60 | 8.14 | 70.68 | 525.66 | 52.20 | 61.36 |
SN-30 | 41.67 | 31.00 | 0.61 | 2.32 | 1.75 | 15.70 | 15.11 | 119.26 | 536.04 | 91.00 | 85.81 |
LWZ-01 | 14.34 | 9.07 | 0.55 | 2.23 | 1.78 | 9.80 | 6.69 | 77.01 | 1149.34 | 72.77 | 59.36 |
LWZ-02 | 15.28 | 9.55 | 0.45 | 1.84 | 1.59 | 8.07 | 6.87 | 69.95 | 1490.24 | 56.06 | 46.25 |
LWZ-03 | 20.86 | 7.64 | 0.36 | 1.63 | 1.43 | 6.62 | 5.61 | 58.75 | 927.51 | 48.36 | 49.53 |
LWZ-04 | 23.08 | 12.65 | 0.39 | 1.99 | 1.78 | 8.70 | 8.86 | 80.48 | 954.45 | 53.83 | 51.49 |
QGZ-01 | 15.20 | 7.68 | 0.38 | 1.65 | 1.40 | 5.99 | 6.31 | 59.29 | 1199.85 | 60.23 | 33.67 |
QGZ-02 | 13.84 | 6.70 | 0.31 | 1.21 | 1.36 | 4.82 | 4.33 | 47.55 | 781.25 | 52.05 | 27.84 |
QGZ-03 | 21.75 | 37.84 | 1.03 | 1.15 | 1.75 | 7.04 | 32.67 | 157.60 | 2261.01 | 81.27 | 68.86 |
QGZ-04 | 22.17 | 25.51 | 1.07 | 0.91 | 1.20 | 7.41 | 36.22 | 158.88 | 2151.72 | 78.66 | 68.48 |
表1 莱阳凹陷下白垩统莱阳群部分微量元素测试结果(10-6)
Table 1 Analysis results of some trace elements of samples from the Laiyang Group in the Laiyang sag(10-6)
样品号 | Ni | Cu | Mo | U | As | Th | Co | V | Ba | Cr | Zn |
---|---|---|---|---|---|---|---|---|---|---|---|
WWK-01 | 23.06 | 25.50 | 2.12 | 5.19 | 11.51 | 9.05 | 6.67 | 89.51 | 476.24 | 42.30 | 39.27 |
WWK-02 | 30.46 | 23.46 | 2.22 | 5.09 | 5.70 | 8.69 | 14.61 | 92.55 | 424.62 | 47.29 | 47.23 |
WWK-03 | 39.50 | 14.92 | 2.15 | 1.33 | 3.04 | 6.27 | 15.08 | 55.44 | 290.20 | 29.56 | 30.91 |
WWK-04 | 40.33 | 25.95 | 4.06 | 1.73 | 5.11 | 6.64 | 20.10 | 56.36 | 250.41 | 35.72 | 77.42 |
WWK-05 | 19.59 | 25.92 | 1.87 | 2.18 | 2.26 | 8.18 | 5.82 | 77.36 | 406.23 | 40.07 | 57.22 |
WWK-06 | 33.73 | 32.10 | 0.49 | 1.70 | 3.65 | 10.11 | 20.29 | 76.34 | 542.58 | 70.24 | 55.67 |
WWK-07 | 31.11 | 31.54 | 0.35 | 3.39 | 3.32 | 18.08 | 13.21 | 91.71 | 530.47 | 76.40 | 75.01 |
WWK-08 | 39.94 | 29.73 | 0.42 | 1.82 | 3.51 | 12.27 | 15.18 | 80.73 | 721.39 | 73.44 | 77.13 |
WWK-09 | 39.57 | 35.06 | 0.27 | 2.29 | 2.37 | 14.98 | 13.08 | 94.80 | 709.63 | 73.37 | 74.60 |
WWK-10 | 31.85 | 33.61 | 0.44 | 3.15 | 3.62 | 14.82 | 9.91 | 107.05 | 470.42 | 82.55 | 60.20 |
WWK-11 | 23.48 | 10.67 | 0.51 | 2.72 | 2.51 | 15.87 | 11.21 | 68.91 | 355.16 | 58.31 | 57.15 |
ZFZ-01 | 23.10 | 37.20 | 1.80 | 5.32 | 19.41 | 10.15 | 8.87 | 78.48 | 227.29 | 39.24 | 89.05 |
ZFZ-02 | 24.40 | 15.00 | 0.52 | 2.25 | 1.51 | 15.07 | 12.71 | 65.63 | 793.82 | 55.45 | 71.77 |
ZFZ-03 | 32.40 | 15.70 | 0.70 | 2.24 | 2.24 | 16.44 | 13.86 | 95.00 | 534.89 | 72.41 | 61.93 |
ZFZ-04 | 20.39 | 31.80 | 0.57 | 2.26 | 1.27 | 11.19 | 6.55 | 77.32 | 1030.64 | 60.07 | 50.52 |
ZFZ-05 | 23.34 | 8.28 | 0.34 | 2.89 | 1.36 | 12.33 | 6.95 | 136.91 | 411.13 | 84.12 | 55.93 |
ZFZ-06 | 21.99 | 10.20 | 0.47 | 1.64 | 0.81 | 10.47 | 11.68 | 56.01 | 689.17 | 38.79 | 52.68 |
ZFZ-07 | 32.46 | 11.90 | 1.06 | 2.19 | 2.09 | 11.21 | 12.81 | 79.99 | 448.80 | 54.23 | 56.16 |
ZFZ-08 | 33.90 | 17.00 | 0.69 | 1.68 | 1.88 | 15.30 | 13.04 | 95.41 | 647.47 | 80.42 | 66.91 |
SN-01 | 32.12 | 26.40 | 2.59 | 1.21 | 6.14 | 3.75 | 13.34 | 71.18 | 467.10 | 47.04 | 95.59 |
SN-02 | 55.59 | 60.50 | 6.89 | 4.56 | 54.47 | 18.80 | 21.11 | 110.48 | 744.23 | 80.21 | 91.52 |
SN-03 | 31.49 | 52.60 | 74.6 | 16.80 | 55.34 | 26.68 | 13.53 | 111.70 | 483.71 | 50.00 | 132.21 |
SN-04 | 49.26 | 49.10 | 98.4 | 12.25 | 60.85 | 12.63 | 25.79 | 128.36 | 492.06 | 52.91 | 145.85 |
SN-05 | 51.23 | 46.20 | 4.11 | 2.04 | 16.59 | 8.12 | 17.20 | 110.27 | 554.99 | 80.49 | 104.75 |
SN-06 | 25.65 | 48.10 | 6.37 | 4.55 | 22.97 | 7.88 | 12.99 | 119.16 | 910.32 | 67.05 | 85.01 |
SN-07 | 33.53 | 33.00 | 0.72 | 1.17 | 14.97 | 10.66 | 13.56 | 121.05 | 544.61 | 79.95 | 115.31 |
SN-08 | 25.82 | 39.30 | 52.3 | 6.34 | 15.68 | 5.85 | 11.88 | 147.30 | 606.56 | 44.96 | 304.25 |
SN-09 | 29.58 | 34.90 | 1.84 | 1.67 | 4.41 | 4.93 | 22.76 | 107.20 | 584.71 | 69.34 | 35.34 |
SN-10 | 29.81 | 31.10 | 9.98 | 4.99 | 8.09 | 11.29 | 14.91 | 110.44 | 461.76 | 38.20 | 85.11 |
SN-11 | 16.66 | 36.90 | 6.52 | 6.14 | 9.99 | 18.02 | 7.63 | 104.87 | 417.89 | 40.16 | 95.78 |
SN-12 | 26.30 | 43.90 | 4.79 | 19.04 | 17.50 | 33.19 | 9.78 | 92.06 | 1669.63 | 39.62 | 84.22 |
SN-13 | 49.89 | 44.20 | 2.62 | 3.87 | 44.94 | 11.24 | 23.58 | 105.11 | 593.81 | 63.77 | 191.34 |
SN-14 | 52.64 | 53.90 | 0.77 | 3.80 | 35.25 | 13.84 | 24.43 | 122.76 | 613.21 | 75.76 | 120.24 |
SN-15 | 67.96 | 46.30 | 0.50 | 1.11 | 3.30 | 11.91 | 38.00 | 101.36 | 658.23 | 67.28 | 115.52 |
SN-16 | 39.40 | 61.80 | 48.9 | 10.13 | 12.65 | 11.69 | 26.84 | 171.63 | 645.25 | 62.65 | 131.30 |
SN-17 | 49.23 | 65.60 | 39.9 | 15.64 | 13.28 | 16.36 | 31.23 | 183.47 | 671.44 | 63.51 | 122.06 |
SN-18 | 40.78 | 47.90 | 1.96 | 3.10 | 9.77 | 17.43 | 13.71 | 121.62 | 849.65 | 71.23 | 115.43 |
SN-19 | 18.34 | 42.00 | 12.77 | 11.04 | 7.11 | 15.58 | 5.83 | 120.58 | 552.93 | 47.71 | 60.58 |
SN-20 | 29.24 | 38.50 | 2.01 | 5.87 | 4.59 | 20.63 | 15.43 | 97.92 | 665.01 | 60.42 | 102.74 |
SN-21 | 18.45 | 50.60 | 42.2 | 12.82 | 8.45 | 17.41 | 9.68 | 99.12 | 572.07 | 45.16 | 70.55 |
SN-22 | 20.65 | 48.10 | 28.1 | 13.11 | 20.47 | 15.73 | 12.99 | 102.58 | 593.91 | 41.82 | 54.68 |
SN-23 | 25.31 | 30.70 | 1.70 | 1.61 | 13.44 | 12.91 | 10.56 | 77.03 | 729.90 | 45.56 | 80.09 |
SN-24 | 30.11 | 40.70 | 19.07 | 11.00 | 5.24 | 13.44 | 14.30 | 101.02 | 406.67 | 46.33 | 85.93 |
SN-25 | 47.29 | 36.80 | 0.95 | 2.70 | 1.77 | 16.36 | 16.25 | 124.31 | 496.99 | 83.66 | 114.81 |
SN-26 | 44.08 | 48.10 | 0.43 | 2.63 | 1.57 | 16.96 | 14.40 | 139.84 | 482.42 | 102.93 | 96.54 |
SN-27 | 23.58 | 39.10 | 6.33 | 6.99 | 12.23 | 17.01 | 13.28 | 112.77 | 531.83 | 61.82 | 79.62 |
SN-28 | 65.11 | 44.70 | 15.45 | 7.50 | 42.44 | 19.33 | 39.45 | 130.29 | 642.45 | 79.64 | 134.90 |
SN-29 | 25.13 | 17.40 | 0.96 | 1.77 | 2.73 | 8.60 | 8.14 | 70.68 | 525.66 | 52.20 | 61.36 |
SN-30 | 41.67 | 31.00 | 0.61 | 2.32 | 1.75 | 15.70 | 15.11 | 119.26 | 536.04 | 91.00 | 85.81 |
LWZ-01 | 14.34 | 9.07 | 0.55 | 2.23 | 1.78 | 9.80 | 6.69 | 77.01 | 1149.34 | 72.77 | 59.36 |
LWZ-02 | 15.28 | 9.55 | 0.45 | 1.84 | 1.59 | 8.07 | 6.87 | 69.95 | 1490.24 | 56.06 | 46.25 |
LWZ-03 | 20.86 | 7.64 | 0.36 | 1.63 | 1.43 | 6.62 | 5.61 | 58.75 | 927.51 | 48.36 | 49.53 |
LWZ-04 | 23.08 | 12.65 | 0.39 | 1.99 | 1.78 | 8.70 | 8.86 | 80.48 | 954.45 | 53.83 | 51.49 |
QGZ-01 | 15.20 | 7.68 | 0.38 | 1.65 | 1.40 | 5.99 | 6.31 | 59.29 | 1199.85 | 60.23 | 33.67 |
QGZ-02 | 13.84 | 6.70 | 0.31 | 1.21 | 1.36 | 4.82 | 4.33 | 47.55 | 781.25 | 52.05 | 27.84 |
QGZ-03 | 21.75 | 37.84 | 1.03 | 1.15 | 1.75 | 7.04 | 32.67 | 157.60 | 2261.01 | 81.27 | 68.86 |
QGZ-04 | 22.17 | 25.51 | 1.07 | 0.91 | 1.20 | 7.41 | 36.22 | 158.88 | 2151.72 | 78.66 | 68.48 |
地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
瓦屋夼组 | WWK-01 | 0.79 | 止凤庄组 | ZFZ-04 | 0.09 | 水南组 | SN-12 | 1.49 | 水南组 | SN-29 | 0.27 |
瓦屋夼组 | WWK-02 | 0.21 | 止凤庄组 | ZFZ-05 | 0.20 | 水南组 | SN-13 | 0.55 | 水南组 | SN-30 | 0.28 |
瓦屋夼组 | WWK-03 | 0.72 | 止凤庄组 | ZFZ-06 | 0.25 | 水南组 | SN-14 | 0.11 | 水南组 | SN-31 | 0.13 |
瓦屋夼组 | WWK-04 | 0.91 | 止凤庄组 | ZFZ-07 | 0.05 | 水南组 | SN-15 | 0.34 | 水南组 | SN-32 | 0.15 |
瓦屋夼组 | WWK-05 | 0.75 | 止凤庄组 | ZFZ-08 | 0.05 | 水南组 | SN-16 | 0.38 | 水南组 | SN-33 | 0.17 |
瓦屋夼组 | WWK-06 | 0.37 | 止凤庄组 | ZFZ-09 | 0.09 | 水南组 | SN-17 | 0.80 | 水南组 | SN-34 | 0.09 |
瓦屋夼组 | WWK-07 | 0.14 | 水南组 | SN-01 | 0.68 | 水南组 | SN-18 | 0.81 | 水南组 | SN-35 | 0.13 |
瓦屋夼组 | WWK-08 | 0.10 | 水南组 | SN-02 | 0.26 | 水南组 | SN-19 | 1.13 | 水南组 | SN-36 | 0.13 |
瓦屋夼组 | WWK-09 | 0.11 | 水南组 | SN-03 | 1.75 | 水南组 | SN-20 | 0.84 | 龙旺庄组 | LWZ-01 | 0.05 |
瓦屋夼组 | WWK-10 | 0.11 | 水南组 | SN-04 | 0.87 | 水南组 | SN-21 | 0.45 | 龙旺庄组 | LWZ-02 | 0.06 |
瓦屋夼组 | WWK-11 | 0.11 | 水南组 | SN-05 | 0.16 | 水南组 | SN-22 | 0.82 | 龙旺庄组 | LWZ-03 | 0.04 |
瓦屋夼组 | WWK-12 | 0.10 | 水南组 | SN-06 | 0.16 | 水南组 | SN-23 | 0.37 | 龙旺庄组 | LWZ-04 | 0.04 |
瓦屋夼组 | WWK-13 | 0.11 | 水南组 | SN-07 | 0.58 | 水南组 | SN-24 | 0.36 | 曲格庄组 | QGZ-01 | 0.04 |
瓦屋夼组 | WWK-14 | 0.11 | 水南组 | SN-08 | 0.17 | 水南组 | SN-25 | 0.85 | 曲格庄组 | QGZ-02 | 0.05 |
止凤庄组 | ZFZ-01 | 0.08 | 水南组 | SN-09 | 1.00 | 水南组 | SN-26 | 0.87 | 曲格庄组 | QGZ-03 | 0.03 |
止凤庄组 | ZFZ-02 | 0.08 | 水南组 | SN-10 | 0.16 | 水南组 | SN-27 | 0.26 | 曲格庄组 | QGZ-04 | 0.03 |
止凤庄组 | ZFZ-03 | 0.06 | 水南组 | SN-11 | 1.39 | 水南组 | SN-28 | 1.10 | 曲格庄组 | QGZ-05 | 0.03 |
表2 莱阳凹陷下白垩统莱阳群泥岩和页岩的总有机碳含量
Table 2 TOC content of mudstone and shale from the Lower Cretaceous Laiyang Group in the Laiyang Sag
地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) | 地层 | 样品号 | TOC(%) |
---|---|---|---|---|---|---|---|---|---|---|---|
瓦屋夼组 | WWK-01 | 0.79 | 止凤庄组 | ZFZ-04 | 0.09 | 水南组 | SN-12 | 1.49 | 水南组 | SN-29 | 0.27 |
瓦屋夼组 | WWK-02 | 0.21 | 止凤庄组 | ZFZ-05 | 0.20 | 水南组 | SN-13 | 0.55 | 水南组 | SN-30 | 0.28 |
瓦屋夼组 | WWK-03 | 0.72 | 止凤庄组 | ZFZ-06 | 0.25 | 水南组 | SN-14 | 0.11 | 水南组 | SN-31 | 0.13 |
瓦屋夼组 | WWK-04 | 0.91 | 止凤庄组 | ZFZ-07 | 0.05 | 水南组 | SN-15 | 0.34 | 水南组 | SN-32 | 0.15 |
瓦屋夼组 | WWK-05 | 0.75 | 止凤庄组 | ZFZ-08 | 0.05 | 水南组 | SN-16 | 0.38 | 水南组 | SN-33 | 0.17 |
瓦屋夼组 | WWK-06 | 0.37 | 止凤庄组 | ZFZ-09 | 0.09 | 水南组 | SN-17 | 0.80 | 水南组 | SN-34 | 0.09 |
瓦屋夼组 | WWK-07 | 0.14 | 水南组 | SN-01 | 0.68 | 水南组 | SN-18 | 0.81 | 水南组 | SN-35 | 0.13 |
瓦屋夼组 | WWK-08 | 0.10 | 水南组 | SN-02 | 0.26 | 水南组 | SN-19 | 1.13 | 水南组 | SN-36 | 0.13 |
瓦屋夼组 | WWK-09 | 0.11 | 水南组 | SN-03 | 1.75 | 水南组 | SN-20 | 0.84 | 龙旺庄组 | LWZ-01 | 0.05 |
瓦屋夼组 | WWK-10 | 0.11 | 水南组 | SN-04 | 0.87 | 水南组 | SN-21 | 0.45 | 龙旺庄组 | LWZ-02 | 0.06 |
瓦屋夼组 | WWK-11 | 0.11 | 水南组 | SN-05 | 0.16 | 水南组 | SN-22 | 0.82 | 龙旺庄组 | LWZ-03 | 0.04 |
瓦屋夼组 | WWK-12 | 0.10 | 水南组 | SN-06 | 0.16 | 水南组 | SN-23 | 0.37 | 龙旺庄组 | LWZ-04 | 0.04 |
瓦屋夼组 | WWK-13 | 0.11 | 水南组 | SN-07 | 0.58 | 水南组 | SN-24 | 0.36 | 曲格庄组 | QGZ-01 | 0.04 |
瓦屋夼组 | WWK-14 | 0.11 | 水南组 | SN-08 | 0.17 | 水南组 | SN-25 | 0.85 | 曲格庄组 | QGZ-02 | 0.05 |
止凤庄组 | ZFZ-01 | 0.08 | 水南组 | SN-09 | 1.00 | 水南组 | SN-26 | 0.87 | 曲格庄组 | QGZ-03 | 0.03 |
止凤庄组 | ZFZ-02 | 0.08 | 水南组 | SN-10 | 0.16 | 水南组 | SN-27 | 0.26 | 曲格庄组 | QGZ-04 | 0.03 |
止凤庄组 | ZFZ-03 | 0.06 | 水南组 | SN-11 | 1.39 | 水南组 | SN-28 | 1.10 | 曲格庄组 | QGZ-05 | 0.03 |
阶段 | Mo | Cr | Zn | Cu | Ni | As | Co | U | V | Th | U/Th | Cu/Zn | V/Cr | Ni/Co |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
第I段 | 0.27~ 4.06 (1.11) | 29.56~ 84.12 (58.60) | 30.91~ 89.05 (60.88) | 8.28~ 37.17 (22.92) | 19.59~ 40.33 (29.72) | 0.81~ 19.41 (4.06) | 5.82~ 20.29 (12.19) | 1.33~ 5.32 (2.69) | 55.44~ 136.91 (82.9) | 0.81~ 19.41 (4.06) | 6.27~ 18.08 (11.95) | 0.19~ 0.65 (0.38) | 1.09~ 2.12 (1.48) | 1.66~ 3.45 (2.56) |
第Ⅱ段 | 0.43~ 98.41 (16.48) | 38.20~ 102.93 (61.75) | 35.34~ 304.25 (106.62) | 17.41~ 65.57 (42.98) | 16.66~ 67.96 (36.53) | 1.57~ 60.85 (17.60) | 7.63~ 39.45 (17.26) | 1.11~ 16.80 (6.26) | 70.68~ 183.47 (114.51) | 1.57~ 60.85 (17.60) | 3.75~ 33.19 (14.46) | 0.13~ 0.99 (0.46) | 1.31~ 3.28 (1.98) | 1.30~ 3.36 (2.24) |
第Ⅲ段 | 0.31~ 1.07 (0.57) | 48.36~ 81.27 (62.90) | 27.84~ 68.86 (50.69) | 6.70~ 37.84 (14.58) | 13.84~ 23.08 (18.32) | 1.20~ 1.78 (1.54) | 4.33~ 36.22 (13.44) | 0.91~ 2.23 (1.58) | 47.55~ 158.88 (88.69) | 1.20~ 1.78 (1.54) | 4.82~ 9.80 (7.31) | 0.15~ 0.55 (0.27) | 0.19~ 3.72 (0.91) | 0.61~ 3.72 (2.20) |
表3 莱阳群氧化还原敏感微量元素含量(mg/kg)及其比值
Table 3 Redox sensitive trace element contents (mg/kg) and ratios of the Laiyang Group
阶段 | Mo | Cr | Zn | Cu | Ni | As | Co | U | V | Th | U/Th | Cu/Zn | V/Cr | Ni/Co |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
第I段 | 0.27~ 4.06 (1.11) | 29.56~ 84.12 (58.60) | 30.91~ 89.05 (60.88) | 8.28~ 37.17 (22.92) | 19.59~ 40.33 (29.72) | 0.81~ 19.41 (4.06) | 5.82~ 20.29 (12.19) | 1.33~ 5.32 (2.69) | 55.44~ 136.91 (82.9) | 0.81~ 19.41 (4.06) | 6.27~ 18.08 (11.95) | 0.19~ 0.65 (0.38) | 1.09~ 2.12 (1.48) | 1.66~ 3.45 (2.56) |
第Ⅱ段 | 0.43~ 98.41 (16.48) | 38.20~ 102.93 (61.75) | 35.34~ 304.25 (106.62) | 17.41~ 65.57 (42.98) | 16.66~ 67.96 (36.53) | 1.57~ 60.85 (17.60) | 7.63~ 39.45 (17.26) | 1.11~ 16.80 (6.26) | 70.68~ 183.47 (114.51) | 1.57~ 60.85 (17.60) | 3.75~ 33.19 (14.46) | 0.13~ 0.99 (0.46) | 1.31~ 3.28 (1.98) | 1.30~ 3.36 (2.24) |
第Ⅲ段 | 0.31~ 1.07 (0.57) | 48.36~ 81.27 (62.90) | 27.84~ 68.86 (50.69) | 6.70~ 37.84 (14.58) | 13.84~ 23.08 (18.32) | 1.20~ 1.78 (1.54) | 4.33~ 36.22 (13.44) | 0.91~ 2.23 (1.58) | 47.55~ 158.88 (88.69) | 1.20~ 1.78 (1.54) | 4.82~ 9.80 (7.31) | 0.15~ 0.55 (0.27) | 0.19~ 3.72 (0.91) | 0.61~ 3.72 (2.20) |
图6 莱阳群泥岩和页岩的古盐度指标与古气候指标的对比(据文献[18]修改)
Fig.6 Relationship between paleosalinity index and paleoclimate index of mudstone and shale in the Laiyang Group (modified after reference [18])
图7 莱阳群泥岩和页岩的古盐度指标与RSE及其相关比值的对比
Fig.7 Relationship between paleosalinity indices and RSE content and ratios of mudstone and shale from the Laiyang Group
图8 莱阳群氧化还原指标、古盐度指标、TOC含量和古生产力指标的关系
Fig.8 Relationship between redox index, paleosalinity index, TOC content and paleoproductivity index of the Laiyang Group
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