Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.
绿石、碳酸盐骨骸碎屑、石和胶磷矿普遍出现。
Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.
绿石、碳酸盐骨骸碎屑、石和胶磷矿普遍出现。
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