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The type of rock formed by mud or clay under pressure is called shale. Shale is a sedimentary rock that forms from the compaction of fine-grained sediments, primarily composed of clay minerals and silt. Over time, the pressure from overlying materials causes these sediments to lithify into a solid rock. Shale can also contain fossilized remains and is often significant in the study of geological history.

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2mo ago

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Slate is a type of what rock?

A metamorphic rock.


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Granite, china clay is a by product of granite which means when granite is weathered and put under pressure china clay is formed . Hope this helps!


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Slate is silt changed under pressure.


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Rock can be changed into metamorphic rock by heat and pressure.


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Shale exposed to great pressure can form slate, a fine-grained metamorphic rock. The intense pressure and heat cause the clay minerals in the shale to recrystallize, resulting in a denser and more durable rock with distinct foliation.


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By the metamorphosis of limestone, marble is formed. By the thermal decomposition of limestone, quicklime is formed. Which process depends on the temperature and pressure.


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Claystone, and shale are sedimentary rocks formed from lithified deposits of clay.


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Marble is a metamorphic rock because it is formed from limestone that has been squeezed under pressure.


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