Metamorphic Rocks!

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by maddie2020
Last updated 6 years ago

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Science
Subject:
Geostudies

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Metamorphic Rocks!

Metamorphic rocks are rocks that have "morphed" into another kind of rock. These rocks were once igneous or sedimentary rocks. How do sedimentary and igneous rocks change? The rocks are under tons and tons of pressure, which fosters heat build up, and this causes them to change. If you exam metamorphic rock samples closely, you'll discover how flattened some of the grains in the rock are.Metamorphic rocks can be formed by pressure deep under the Earth's surface, from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Formation

Metamorphic rocks have changed overtime by heat and pressure.Uplift and erosion help bring metamorphic rock to the Earth's surface.

Slate is a metamorphic rock that is formed from the sedimentary rock mudstone.Granulite is a metamorphic rock that is formed from the igneous rock basalt.Quartzite is a metamorphic rock that is formed from the sedimentary rock sandstone.

Examples

Examples of metamorphic rocks include anthracite, quartzite, marble, slate, granulite, gneiss and schist.

Cool Facts

Metamorphic rocks begin to form at 12-16 kilometers (7.5 - 10 miles) beneath the surface of the earth.The heat in the earth comes from Magma and the pressure comes from layers of rock piled onto layers of rock made by madison murphy 6b science mr.ham

Metamorp-hic rocks!

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fun facts

Formation of metamorphic rocks

made by madison murphy 6b science mr.ham


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