英语语法分析

It is overlain unconformably by the post Cambrian platform cover.

被后寒武纪地台沉积盖层不整合覆盖。

The Shixi Formation which rests unconformably on the Ehulin Formation and is unconformably overlain by the Zhoujiadian Formation is the upper part of the Mesozoic volcanic-sedimentary strata.

石溪组以不整合覆盖在鹅湖岭组之上，其上为周家店组所覆盖的中生代火山岩地层上部。