... 岩石显微镜 petrographic microscope 岩石期 petrographic period 岩区 petrographic(petrographical)province ...
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经历了数代地质期，上层岩石逐渐增大的压力改变了无机矿物层的构成，最终形成了煤。
Over geologic time, increased pressure from the overlying rocks changed the layers of organic material into coal.
山体岩石为加里东期花岗岩和大理石，距今4——6亿年。
Rock Hill Caledonian granite and marble ago 4-6 billion years.
同变形期流体-岩石相互作用的本质在于变形与流体化学反应的藕合作用。
The essence of syntectonic fluid rock interaction lies in the coupling of deformation with fluid chemical reactions.
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