In organic lamina, the content of organic carbon exceeds 5% and algae fossils and ichthyolite are abundant.
有机质纹层的有机碳含量在5%以上,富含藻类化及鱼化等;
In organic lamina, the content of organic carbon exceeds 5% and algae fossils and ichthyolite are abundant.
有机质纹层的有机碳含量在5%以上,富含藻类化及鱼化等;
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