Metamorphic rocks of the mantle
In certain unusual geological environments rocks derived from the Earth’s mantle are found at the surface. They have come there in one of two ways, either by tectonic movements or by volcanic eruption. Many mantle rocks coming to the surface in either way can be recognized as metamorphic by their textures.
KeywordsOceanic Crust Mineral Assemblage Lower Mantle Mantle Material Lithospheric Plate
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