英语语法分析

Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic.

形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。

The Huanggoushan Pb Zn deposit, occurring in the dolomite marble of Mesoproterozoic Zhenzhumen formation, is obviously controlled by strata.

吉林荒沟山铅锌矿床赋存于中元古界老岭群珍珠门组白云石大理岩中，层控特征明显。

A large amount of burrow fossils are found in pelitic siltstone in the middle Changzhougou Formation of the Mesoproterozoic in the Yanshan area.

在燕山地区中元古代常州沟组中发育有大量的潜穴化石，潜穴产于常州沟组中部的泥质粉砂岩中。