英语语法分析

And then studied the origin and lithofacies meaning of siderite.

在此基础上研究了菱铁矿的成因和岩相意义。

The metallization is controlled by the Permian volcanic lithofacies and volcanic edifice.

其成矿作用主要受二叠纪火山岩相及火山机构控制。

Reservoir is affected by lithology, lithofacies and faultages, the heterogeneous is serious.

由于断层、沉积相、岩性和岩相等的影响，储层非均质性严重。