1、

Late Yanshan stage was compressive crust deformation which not only formed the wedge-type thrust structure but also caused upper Cretaceous Series unconformable contact with lower Cretaceous Series.

燕山晚期地壳以挤压逆冲变形为主,不仅形成了楔冲式推覆构造,也使上白垩统与下白垩统为角度不整合接触。

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2、

these deposits are in unconformable contact with the underlying coal-bearing strata of the shahezi formation.

矿床与下伏沙河子组煤系地层呈不整合接触。

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3、

a contact can be conformable or unconformable depending upon the types of rock, their relative ages and their attitudes.

接触面可以是整合的或不整合的,这取决于岩石类型、它们的相对年龄及产状。

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