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内蒙古二连盆地白音查干凹陷下白垩统腾格尔组热水沉积过程中矿物沉淀顺序及其控制因素*
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钟大康1,2, 苏琛1,2, 杨喆1,2, 贾晓兰1,2 |
Precipitation sequence of hydrothermal minerals and their controlling factors during the sedimentation: A case study of the Lower Cretaceous Tenggeer Formation in Baiyinchagan sag of Erlian Basin,Inner Mongolia
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Zhong Da-Kang 1,2, Su Chen 1,2, Yang Zhe 1,2, Jia Xiao-Lan 1,2
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内蒙古二连盆地白音查干凹陷下白垩统腾格尔组纹层状热水沉积岩中矿物分布的QemScan图像(1 μm扫描精度) 0~4.2 mm,4.2~21 mm出现自下而上从铝硅酸盐向碳酸盐过渡的变化韵律,铝硅酸盐纹层内(0~3 mm,5~10 mm)出现从沸石纹层到钠长石纹层的变化;锡31井,2076.84~2077.12 m,柱塞样薄片。三角符号表示一次热水沉积喷溢过程(下同) |
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