The horizontal lines across the top half of the image are intrusions of igneous rock, where magma poked up to the surface from deep underground.
照片的上半部是火成岩，由地球深处涌出地面的岩浆形成。
Igneous rock is rock formed by solidification from a molten state; especially from molten magma.
火成岩是从熔融状态(特别是通过熔化岩浆)凝固而成的石头。
The dark colored, microgranular and igneous-texture enclaves provide reliable evidence that indicates the existence of magma mingling.
暗色、细粒且具火成结构的岩石包体是指示岩浆混合作用存在的可靠证据。
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