石油与天然气地质 ›› 2024, Vol. 45 ›› Issue (2): 440-456.doi: 10.11743/ogg20240210
翟常博1,2(), 林良彪3,4, 尤东华1, 刘冯斌3,4, 刘思雨3,4
收稿日期:
2023-11-24
修回日期:
2024-03-05
出版日期:
2024-04-30
发布日期:
2024-04-30
第一作者简介:
翟常博(1979-),男,博士、高级工程师,石油天然气地质综合研究。E-mail:zhaicb.syky@sinopec.com。
基金项目:
Changbo ZHAI1,2(), Liangbiao LIN3,4, Donghua YOU1, Fengbin LIU3,4, Siyu LIU3,4
Received:
2023-11-24
Revised:
2024-03-05
Online:
2024-04-30
Published:
2024-04-30
摘要:
为了研究四川盆地中二叠统茅口组一段(茅一段)沉积微相和有机质富集规律,开展了岩石学、沉积微相分析。将川西南乐山沙湾剖面茅一段划分为生物碎屑含灰泥岩(MF1)、生物碎屑泥灰岩(MF2)、生物碎屑含泥灰岩(MF3)、灰泥灰岩(MF4)、生物碎屑粒泥灰岩(MF5)、钙藻粒泥灰岩(MF6)、生物碎屑泥粒灰岩(MF7)和钙藻泥粒灰岩(MF8)共8个沉积微相。结合沉积古环境及地球化学分析认为:①茅一段早、中期,主要发育MF2沉积微相,其次为MF7和MF8沉积微相。该期整体为海侵、缺氧环境,发育上升洋流,初级生产力较高。中、晚期主要发育MF6、MF7和MF8沉积微相,为相对海退环境,含氧量略有上升,上升洋流强度减弱,初级生产力下降。末期以MF2沉积微相为主,含氧量略有上升,初级生产力增强。②茅一段的有机质富集主要受海洋初级生产力与缺氧环境的调控,同时受上升洋流的间接影响。较高的初级生产力与较低的含氧量有利于有机质富集与保存。上升洋流可带来深层营养成分,从而增强海洋初级生产力。③MF2与MF7沉积微相在区域上稳定分布,且具有较高初级生产力和较低含氧量沉积环境,是茅一段有机质富集的有利沉积微相。
中图分类号:
表1
川西南地区乐山沙湾剖面沉积微相划分方案及特征"
沉积微相代号 | 沉积微相 类型 | 黏土矿物 含量/% | 灰泥 含量/% | 岩石 类型 | 化石类型 | 沉积 结构 | 野外沉积构造 |
---|---|---|---|---|---|---|---|
MF1 | 生物碎屑含灰泥岩 | 75 ~ 90 | — | 含灰 泥岩 | 介形虫、棘皮类 | 可见生屑呈定向纹层 | 深灰色、中-薄层状 |
MF2 | 生物碎屑泥灰岩 | 25 ~ 50 | — | 泥灰岩 | 介形虫、棘皮类 | 灰黑色、薄层状、 “眼皮”构造 | |
MF3 | 生物碎屑含泥灰岩 | 10 ~ 25 | — | 含泥 灰岩 | 介形虫、棘皮类 | “眼皮”构造 | |
MF4 | 灰泥灰岩 | <10 | >90 | 灰岩 | 介形虫、棘皮类,含量<10 % | — | 灰色、“眼球”构造 |
MF5 | 生物碎屑粒泥石灰岩 | 50 ~ 90 | 双壳、腹足、棘皮、藻类化石等,含量10 % ~ 50 % | — | 灰色、厚层状 | ||
MF6 | 钙藻粒泥石灰岩 | 50 ~ 90 | 钙藻为主,少量双壳、腹足、棘皮,含量10 % ~ 50 % | — | 灰色、厚层-块状 | ||
MF7 | 生物碎屑泥粒灰岩 | <50 | 双壳、腹足、棘皮、藻类化石等,含量>50 % | — | 灰色、厚层状 | ||
MF8 | 钙藻泥粒石灰岩 | <50 | 钙藻为主,少量双壳、腹足、棘皮等,含量>50 % | — | 灰色、厚层状 |
表2
川西南地区乐山沙湾剖面主、微量元素含量及TOC测试数据"
地层 | 样品号 | 主量元素化合物含量/% | 微量元素含量/10-6 | TOC/% | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | CaO | MgO | P2O5 | Mo | U | V | Cd | Co | ||||
茅 一 一 亚 段 | SW-3-1 | 0.85 | 0.41 | 54.55 | 0.53 | 0.009 | 1.25 | 4.90 | 42.90 | 0.38 | 2.25 | 未测 | |
SW-4-1 | 0.75 | 0.26 | 54.80 | 0.49 | 0.002 | 0.95 | 3.03 | 66.40 | 0.37 | 1.87 | 0.52 | ||
SW-4-2 | 1.03 | 0.31 | 54.71 | 0.56 | 0.003 | 5.36 | 7.02 | 52.30 | 0.26 | 1.58 | 未测 | ||
SW-5-1 | 16.57 | 2.83 | 42.09 | 1.46 | 0.005 | 7.13 | 10.40 | 134.00 | 1.29 | 2.93 | 1.33 | ||
SW-6-1 | 2.37 | 0.69 | 53.27 | 0.85 | 0.003 | 2.65 | 6.53 | 57.10 | 0.44 | 1.91 | 未测 | ||
SW-6-2 | 12.37 | 6.07 | 41.51 | 1.58 | 0.006 | 5.53 | 8.89 | 155.00 | 1.33 | 3.03 | 1.04 | ||
SW-6-3 | 13.73 | 1.68 | 45.07 | 1.79 | 0.005 | 2.50 | 6.89 | 80.30 | 0.68 | 1.99 | 未测 | ||
SW-7-1 | 23.80 | 1.57 | 38.69 | 2.69 | 0.007 | 2.41 | 8.75 | 120.00 | 1.70 | 1.57 | 1.29 | ||
SW-8-1 | 31.95 | 1.90 | 32.47 | 4.19 | 0.005 | 2.14 | 7.59 | 106.00 | 0.87 | 2.47 | 1.22 | ||
SW-9-1 | 42.13 | 1.47 | 25.19 | 7.41 | 0.008 | 1.52 | 4.32 | 70.60 | 0.64 | 1.24 | 0.77 | ||
SW-9-2 | 3.19 | 0.27 | 52.71 | 1.82 | 0.002 | 0.47 | 5.75 | 17.70 | 0.07 | 1.51 | 未测 | ||
SW-10-1 | 49.17 | 1.12 | 11.53 | 23.22 | 0.007 | 1.18 | 4.80 | 103.00 | 0.68 | 0.67 | 1.35 | ||
SW-11-1 | 27.23 | 0.69 | 34.58 | 7.74 | 0.003 | 0.34 | 2.72 | 40.70 | 0.27 | 0.84 | 0.58 | ||
SW-12-1 | 36.03 | 0.74 | 24.38 | 16.11 | 0.002 | 1.84 | 4.45 | 48.30 | 1.51 | 0.93 | 0.97 | ||
SW-13-1 | 4.00 | 0.34 | 52.25 | 1.79 | 0.002 | 1.87 | 5.90 | 14.80 | 0.40 | 1.38 | 未测 | ||
SW-14-1 | 18.90 | 0.55 | 42.10 | 2.98 | 0.002 | 1.69 | 4.46 | 56.40 | 1.05 | 1.22 | 未测 | ||
SW-15-1 | 6.66 | 0.61 | 50.26 | 1.43 | 0.005 | 5.39 | 5.79 | 43.40 | 0.99 | 1.94 | 0.97 | ||
SW-16-1 | 0.88 | 0.22 | 54.64 | 0.54 | 0.004 | 0.90 | 2.75 | 61.50 | 1.03 | 1.40 | 未测 | ||
SW-17-1 | 19.83 | 0.80 | 42.41 | 1.94 | 0.003 | 2.39 | 10.50 | 63.30 | 1.52 | 1.25 | 0.81 | ||
SW-18-1 | 4.25 | 0.26 | 52.45 | 1.18 | 0.003 | 0.49 | 5.97 | 15.20 | 0.45 | 1.28 | 未测 | ||
SW-19-1 | 28.38 | 0.42 | 32.96 | 10.46 | 0.002 | 0.38 | 4.45 | 38.60 | 0.31 | 1.07 | 0.82 | ||
茅 一 二 亚 段 | SW-20-1 | 19.23 | 0.15 | 44.37 | 0.83 | 0.001 | 2.85 | 10.80 | 41.40 | 0.72 | 1.01 | 未测 | |
SW-20-2 | 10.63 | 2.00 | 43.48 | 6.66 | 0.002 | 0.34 | 5.37 | 54.80 | 1.85 | 1.07 | 0.29 | ||
SW-20-3 | 0.91 | 0.22 | 54.20 | 1.12 | 0.002 | 0.23 | 10.00 | 9.39 | 0.17 | 1.46 | 未测 | ||
SW-21-1 | 3.33 | 0.98 | 50.19 | 2.89 | 0.002 | 29.90 | 15.20 | 294.00 | 3.68 | 1.86 | 未测 | ||
SW-21-2 | 2.33 | 0.56 | 52.07 | 1.85 | 0.003 | 12.70 | 8.54 | 166.00 | 2.51 | 1.58 | 1.57 | ||
SW-22-1 | 3.12 | 0.49 | 52.16 | 1.40 | 0.002 | 2.46 | 9.99 | 59.50 | 1.12 | 1.43 | 未测 | ||
SW-22-2 | 3.20 | 0.28 | 52.49 | 1.45 | 0.002 | 1.38 | 8.55 | 39.20 | 0.44 | 1.18 | 未测 | ||
SW-23-1 | 3.13 | 0.89 | 50.61 | 2.66 | 0.004 | 45.20 | 18.60 | 300.00 | 3.74 | 2.26 | 未测 | ||
SW-23-2 | 1.26 | 0.15 | 54.33 | 0.95 | 0.002 | 5.98 | 11.70 | 27.70 | 0.38 | 1.31 | 未测 | ||
SW-24-1 | 15.33 | 0.56 | 32.14 | 13.68 | 0.003 | 5.75 | 5.41 | 47.00 | 0.69 | 1.08 | 未测 | ||
SW-25-1 | 3.97 | 0.13 | 52.45 | 0.98 | 0.002 | 0.91 | 4.05 | 19.30 | 0.35 | 1.20 | 0.30 | ||
SW-26-1 | 37.72 | 0.34 | 27.31 | 5.97 | 0.004 | 1.13 | 4.81 | 60.90 | 0.82 | 0.77 | 未测 | ||
SW-28-1 | 1.04 | 0.08 | 54.85 | 0.53 | 0.003 | 0.38 | 7.04 | 12.30 | 0.24 | 1.22 | 未测 | ||
SW-29-1 | 0.32 | 0.13 | 55.15 | 0.43 | 0.002 | 0.61 | 4.77 | 22.50 | 0.17 | 1.43 | 未测 | ||
SW-31-1 | 0.34 | 0.24 | 55.11 | 0.61 | 0.002 | 2.16 | 4.50 | 23.30 | 0.14 | 1.47 | 0.06 | ||
SW-32-1 | 0.46 | 0.20 | 54.84 | 0.58 | 0.003 | 1.19 | 4.56 | 39.30 | 0.24 | 1.46 | 未测 | ||
茅一三亚段 | SW-33-1 | 6.27 | 2.26 | 49.84 | 0.72 | 0.007 | 13.40 | 9.65 | 117.00 | 0.64 | 2.95 | 未测 | |
SW-33-2 | 1.41 | 0.60 | 54.18 | 0.73 | 0.004 | 4.83 | 2.90 | 35.50 | 0.28 | 1.77 | 0.90 |
表4
川西南地区乐山沙湾剖面TOC测试数据及原始有机母质TOC0恢复测算"
地层 | 样品编号 | 岩性 | TOC/% | TOC0/% |
---|---|---|---|---|
茅一一亚段 | SW-4-1 | 生屑含灰泥岩 | 0.52 | 1.17 |
SW-5-1 | 生屑含泥灰岩 | 1.33 | 2.99 | |
SW-6-2 | 生屑含泥灰岩 | 1.04 | 2.34 | |
SW-7-1 | 生屑泥灰岩 | 1.29 | 2.90 | |
SW-8-1 | 生屑泥灰岩 | 1.22 | 2.75 | |
SW-9-1 | 生屑含泥灰岩 | 0.77 | 1.73 | |
SW-10-1 | 生屑含灰泥岩 | 1.35 | 3.04 | |
SW-11-1 | 生屑泥灰岩 | 0.58 | 1.31 | |
SW-12-1 | 生屑泥灰岩 | 0.97 | 2.18 | |
SW-15-1 | 生屑泥粒灰岩 | 0.97 | 2.18 | |
SW-17-1 | 生屑粒泥灰岩 | 0.81 | 1.82 | |
SW-19-1 | 生屑粒泥灰岩 | 0.82 | 1.85 | |
茅一二亚段 | SW-20-2 | 灰泥灰岩 | 0.29 | 0.65 |
SW-21-2 | 生屑泥粒灰岩 | 1.57 | 3.53 | |
SW-25-1 | 钙藻粒泥灰岩 | 0.3 | 0.68 | |
SW-31-1 | 钙藻粒泥灰岩 | 0.06 | 0.14 | |
茅一三亚段 | SW-33-2 | 生屑泥灰岩 | 0.9 | 2.03 |
表5
川西南乐山沙湾剖面古环境指标特征"
地层 | 样品号 | Th/U | V/Sc | MoEF/UEF | Mo/TOC | Sr/Ba | P含量/10-6 | Cu含量/10-6 | Zn含量/10-6 | TOC/P | Cd/Mo | Co(10-6)×Mn(%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
茅一一亚段 | SW-3-1 | 0.26 | 62.17 | 12.37 | 未测 | 36.09 | 38.75 | 3.19 | 27.70 | 未测 | 0.30 | 0.024 |
SW-4-1 | 0.35 | 138.33 | 28.58 | 1.83 | 71.33 | 8.52 | 1.81 | 37.20 | 8.38 | 0.39 | 0.002 | |
SW-4-2 | 0.07 | 217.92 | 284.96 | 未测 | 84.41 | 13.06 | 2.14 | 9.74 | 未测 | 0.05 | 0.024 | |
SW-5-1 | 0.33 | 50.19 | 4.06 | 5.36 | 17.93 | 22.14 | 5.97 | 28.90 | 0.81 | 0.18 | 0.288 | |
SW-6-1 | 0.19 | 54.38 | 15.06 | 未测 | 46.26 | 12.90 | 2.26 | 21.70 | 未测 | 0.17 | 0.017 | |
SW-6-2 | 0.39 | 64.32 | 0.62 | 5.32 | 22.60 | 24.28 | 7.40 | 31.50 | 0.93 | 0.24 | 0.799 | |
SW-6-3 | 0.25 | 48.08 | 2.13 | 未测 | 31.81 | 22.00 | 3.55 | 22.00 | 未测 | 0.27 | 0.132 | |
SW-7-1 | 0.16 | 100.84 | 1.79 | 1.87 | 20.86 | 31.59 | 4.66 | 23.40 | 0.66 | 0.71 | 0.149 | |
SW-8-1 | 0.29 | 51.46 | 1.11 | 1.75 | 11.08 | 22.44 | 6.01 | 31.90 | 0.49 | 0.41 | 0.305 | |
SW-9-1 | 0.38 | 40.81 | 1.65 | 1.97 | 10.38 | 36.96 | 3.17 | 19.70 | 0.28 | 0.42 | 0.109 | |
SW-9-2 | 0.11 | 32.78 | 3.61 | 未测 | 58.19 | 8.61 | 0.79 | 5.66 | 未测 | 0.16 | 0.012 | |
SW-10-1 | 0.26 | 86.55 | 1.53 | 0.87 | 5.20 | 30.23 | 2.54 | 16.90 | 0.17 | 0.58 | 0.110 | |
SW-11-1 | 0.28 | 67.83 | 0.60 | 0.59 | 23.04 | 13.27 | 1.82 | 9.54 | 1.74 | 0.79 | 0.065 | |
SW-12-1 | 0.20 | 49.29 | 9.36 | 1.90 | 11.58 | 9.05 | 1.95 | 21.30 | 1.28 | 0.82 | 0.129 | |
SW-13-1 | 0.10 | 27.41 | 33.56 | 未测 | 10.53 | 8.55 | 1.53 | 9.13 | 未测 | 0.21 | 0.012 | |
SW-14-1 | 0.14 | 79.44 | 13.86 | 未测 | 19.59 | 8.80 | 2.61 | 9.77 | 未测 | 0.62 | 0.070 | |
SW-15-1 | 0.15 | 73.56 | 88.59 | 5.59 | 94.95 | 21.62 | 4.69 | 22.70 | 4.39 | 0.18 | 0.050 | |
SW-16-1 | 0.15 | 161.84 | 39.27 | 未测 | 92.76 | 16.97 | 1.33 | 6.64 | 未测 | 1.14 | 0.001 | |
SW-17-1 | 0.09 | 75.36 | 5.62 | 2.95 | 13.68 | 13.15 | 3.77 | 13.50 | 1.04 | 0.64 | 0.083 | |
SW-18-1 | 0.06 | 43.43 | 4.03 | 未测 | 52.84 | 12.98 | 0.84 | 6.31 | 未测 | 0.92 | 0.023 | |
SW-19-1 | 0.14 | 80.42 | 1.23 | 0.46 | 13.03 | 8.91 | 1.73 | 11.00 | 1.46 | 0.82 | 0.096 | |
茅一二亚段 | SW-20-1 | 0.03 | 133.55 | 0.74 | 未测 | 88.10 | 4.35 | 0.78 | 4.85 | 未测 | 0.25 | 0.040 |
SW-20-2 | 0.57 | 46.05 | 0.04 | 1.18 | 0.86 | 8.70 | 2.45 | 16.20 | 0.10 | 5.44 | 0.023 | |
SW-20-3 | 0.06 | 23.48 | 224.06 | 未测 | 22.16 | 8.64 | 0.81 | 18.90 | 未测 | 0.74 | 0.017 | |
SW-21-1 | 0.06 | 326.67 | 405.80 | 17.38 | 4.08 | 8.74 | 4.47 | 21.30 | 0.47 | 0.12 | 0.043 | |
SW-21-2 | 0.08 | 204.94 | 406.66 | 8.09 | 9.14 | 13.02 | 3.85 | 16.70 | 0.70 | 0.20 | 0.028 | |
SW-22-1 | 0.08 | 104.39 | 19.06 | 未测 | 101.63 | 8.60 | 1.86 | 8.35 | 未测 | 0.46 | 0.021 | |
SW-22-2 | 0.07 | 93.33 | 16.65 | 未测 | 144.31 | 8.70 | 1.51 | 26.50 | 未测 | 0.32 | 0.022 | |
SW-23-1 | 0.05 | 394.74 | 930.16 | 23.06 | 39.55 | 18.30 | 8.28 | 24.20 | 2.16 | 0.08 | 0.128 | |
SW-23-2 | 0.03 | 102.59 | 921.61 | 未测 | 161.13 | 8.61 | 0.79 | 5.32 | 未测 | 0.06 | 0.012 | |
SW-24-1 | 0.21 | 73.44 | 127.82 | 未测 | 54.47 | 12.96 | 2.13 | 12.30 | 未测 | 0.12 | 0.067 | |
SW-25-1 | 0.10 | 64.33 | 82.42 | 3.07 | 100.24 | 8.63 | 0.93 | 5.06 | 11.61 | 0.38 | 0.023 | |
SW-26-1 | 0.11 | 121.80 | 15.01 | 未测 | 30.66 | 17.62 | 2.50 | 9.23 | 未测 | 0.73 | 0.059 | |
SW-28-1 | 0.05 | 53.48 | 22.60 | 未测 | 29.07 | 12.72 | 0.83 | 5.38 | 未测 | 0.63 | 0.005 | |
SW-29-1 | 0.06 | 125.00 | 32.92 | 未测 | 50.78 | 8.44 | 1.28 | 6.23 | 未测 | 0.28 | 0.008 | |
SW-31-1 | 0.12 | 101.30 | 123.97 | 35.88 | 53.13 | 8.58 | 0.76 | 5.57 | 6.19 | 0.06 | 0.016 | |
SW-32-1 | 0.09 | 126.77 | 50.22 | 未测 | 45.30 | 12.65 | 1.25 | 5.87 | 未测 | 0.20 | 0.010 | |
茅一三亚段 | SW-33-1 | 0.35 | 53.18 | 24.35 | 未测 | 35.78 | 30.91 | 2.61 | 15.80 | 未测 | 0.05 | 0.107 |
SW-33-2 | 0.60 | 54.62 | 148.30 | 5.37 | 92.19 | 17.20 | 1.11 | 8.30 | 5.36 | 0.06 | 0.014 |
表6
川西南地区乐山沙湾剖面TOC-古环境指标相关性系数"
参数 | TOC/% | Ga/Al | Sr/Ba | Mo/TOC | Th/U | V/Sc | MoEF/UEF | Cd/Mo | Co(10-6)×Mn(%) | P含量/10-6 | Cu含量/10-6 | Zn含量/10-6 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
TOC/% | 1 | |||||||||||
Ga/Al | -0.41 | 1 | ||||||||||
Sr/Ba | -0.37 | 0.71 | 1 | |||||||||
Mo/TOC | -0.03 | 0.21 | 0.04 | 1 | ||||||||
Th/U | -0.30 | -0.36 | -0.09 | -0.49 | 1 | |||||||
V/Sc | 0.67 | 0.03 | -0.22 | 0.54 | -0.59 | 1 | ||||||
MoEF/UEF | 0.57 | 0.17 | 0.02 | 0.56 | -0.46 | 0.93 | 1 | |||||
Cd/Mo | -0.39 | -0.23 | -0.38 | -0.33 | 0.52 | -0.25 | -0.25 | 1 | ||||
Co(10-6)× Mn(%) | 0.20 | -0.55 | -0.30 | -0.18 | 0.18 | -0.14 | -0.18 | -0.18 | 1 | |||
P含量/10-6 | 0.49 | -0.57 | -0.22 | -0.46 | 0.05 | -0.18 | -0.23 | -0.28 | 0.43 | 1 | ||
Cu含量/10-6 | 0.73 | -0.57 | -0.36 | 0.01 | -0.21 | 0.48 | 0.45 | -0.20 | 0.63 | 0.43 | 1 | |
Zn含量/10-6 | 0.67 | -0.78 | -0.52 | -0.23 | -0.03 | 0.21 | 0.10 | -0.07 | 0.68 | 0.56 | 0.91 | 1.00 |
表7
川西南地区乐山沙湾剖面各沉积微相TOC-古环境指标特征值"
沉积微相代号 | 沉积微相类型 | 样品数/个 | TOC0 平均值/% | 古氧相指标 | 上升洋流指标 | 初级生产力指标 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Th/U | V/Sc | MoEF/UEF | Cd/Mo | Co(10-6)×Mn(%) | P含量/10-6 | Cu含量/10-6 | Zn含量/10-6 | TOC/P | ||||
MF1 | 生物碎屑含灰泥岩 | 1 | 3.38 | 0.19 | 104.18 | 8.27 | 0.65 | 0.08 | 23.93 | 2.52 | 13.07 | 0.04 |
MF2 | 生物碎屑泥灰岩 | 5 | 2.88 | 0.27 | 110.28 | 158.16 | 0.42 | 0.13 | 20.39 | 3.78 | 19.21 | 0.07 |
MF3 | 生物碎屑含泥灰岩 | 3 | 2.62 | 0.31 | 58.69 | 5.05 | 0.37 | 0.32 | 23.04 | 4.79 | 22.47 | 0.04 |
MF4 | 灰泥灰岩 | 1 | 0.72 | 0.20 | 35.09 | 9.59 | 1.83 | 0.02 | 9.72 | 1.41 | 12.64 | 0.03 |
MF5 | 生物碎屑粒泥灰岩 | 1 | 2.03 | 0.09 | 75.36 | 5.62 | 0.64 | 0.08 | 13.15 | 3.77 | 13.50 | 0.06 |
MF6 | 钙藻粒泥灰岩 | 2 | 1.38 | 0.20 | 63.19 | 35.81 | 0.16 | 0.21 | 13.59 | 2.80 | 16.11 | 0.02 |
MF7 | 生物碎屑泥粒灰岩 | 3 | 3.55 | 0.08 | 152.25 | 170.10 | 0.24 | 0.03 | 12.94 | 2.93 | 14.28 | 0.12 |
MF8 | 钙藻泥粒灰岩 | 1 | 0.74 | 0.10 | 117.58 | 100.51 | 0.26 | 0.02 | 13.51 | 1.58 | 12.28 | 0.03 |
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