Where are metamorphic rocks from?

Answer 1

Sedimentary rocks occur when sediments, weathered fragments from older rocks as well as biological debris like leaves, trees, and dead animals, are deposited and stay in place long enough for rock to form. Some sedimentary rocks include sandstones, shales, limestone and coal seams. Sedimentary deposits are very important in economic geology for they include coal seams and oil deposits.

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Answer 2

Metamorphic rocks are derived from igneous and sedimentary rocks that have been altered physically by heat and/or pressure. For instance, the sedimentary rock shale can metamorphose into slate, a metamorphic rock.

Answer 3

Igneous rocks form when magma solidifies. The origin of the molten material may be from plutons rising from the asthenosphere due to subduction of plates or from hot spots in the mantle or from the infill of divergent plate boundaries with basaltic magma. Molten material that cools and solidifies underground, like granite, is called intrusive igneous rock. Molten material that solidifies on the surface, like pumice, is called extrusive igneous rock.

Answer 4

The type of metamorphic rocks are made from sedimentary and igneous rocks. The word metamorphic comes from metamorphism witch is Greek for " change of form ".

Answer 5

It's old rock that has gotten into the lower, molten layers of Earth. It has been changed on a molecular level by intense heat and pressure, thus making metamorphic rock.

Answer 6

deep under ground by heat and pressure

Answer 7

metamorphism