They mainly formed at tectonic environment of the middle ridge of the oceanic plate, partial are the products of island arc and oceanic islands.
主要形成于大洋板块洋中脊构造环境，部分为岛弧一洋岛环境下的产物。
The preservation of CBM pool is mainly controlled by the sealing capacity of roof and floor plate, tectonic activity and hydrodynamic environment.
煤层气的保存则取决于顶底板的封盖能力、构造活动、水动力环境等条件。
The rocks are crustal remelting, shall level granites formed in a within-plate tensional tectonic environment.
岩石属于大陆板内张性构造环境下高侵位形成的壳源重熔型花岗岩类。
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