Keyword Analysis & Research: metamorphic rocks definition


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How do you identify metamorphic rock?

METAMORPHIC ROCKS ARE FORMED FROM EXISTING ROCKS THAT ARE CHANGED BY HEAT AND PRESSURE. This changing process is called METAMORPHISM. There are two types of metamorphism: REGIONAL METAMORPHISM OCCURS WHEN A LARGE AREA OF ROCKS ARE EXPOSED TO INTENSE PRESSURE.

What is a good definition of the word metamorphic rock?

metamorphic (Noun) A rock that has been changed from its original form by subjection to heat and/or pressure.

How would you describe a metamorphic rock?

Metamorphic rock, any of a class of rocks that result from the alteration of preexisting rocks in response to changing environmental conditions, such as variations in temperature, pressure, and mechanical stress, and the addition or subtraction of chemical components.

What is a good example of a metamorphic rock?

Uplift and erosion help bring metamorphic rock to the Earth's surface. Examples of metamorphic rocks include anthracite, quartzite, marble, slate, granulite, gneiss and schist. Anthracite is a type of coal with a high carbon count, few impurities and with a high luster (meaning it looks shiny).


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