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Weight causes density, density causes pressure, pressure causes heat. Heat and pressure change rocks into other rocks, which are metamophic.

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Q: How does the weight of the earths crust help to form metamorpic rocks?
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Related questions

What are the rocks that make up the earths crust?

the crust and the core


What is the earhs crust made of?

the earths crust is made out of rocks


What does rocks in earths mantle contain a higher percentage of what than rocks in earths crust?

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What materials are the earths crust made of?

it is made of rocks


Where do metomorphic rocks form?

metamorphic rocks are formed in earths crust not on the surface


What are two rocks that can be found in the earths crust?

Basalt and limestone.


How are metamorpic rocks formed?

Sedimentary rocks are heated and pressed together.


What exists on earths crust?

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What makes close to 95 percent of the rocks of earths crust?

Silicates make up close to 95 percent of the rocks in the Earth's crust


Basic material of the Earth's crust?

The basic materials of the earths crust are; silicate rocks, primary granite, igneous, metamorphic, and sedimentary rocks.


Are sedimentary rocks evenly distributed through out the earths crust?

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Thin layers of rocks and minerals on earths surface called?

The crust.