Rocks and Minerals Vocabulary

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Bioclastic

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Sedimentary rock made of organic particles.

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Clastic

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sedimentary rock made of compacted rock fragments

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Cleavage

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mineral breaking with a smooth, flat surface

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organic

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material that is or was once alive

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Igneous

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class of rock formed from cooling of magma

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renewable resource

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a resource that can be replaced in nature at a rate close to its rate of use.

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non-foliated

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When a metamorphic rock does not align or segregate the 

   minerals into layers.

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mineral

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a naturally occurring inorganic solid with a distinct

chemical composition and crystalline structure

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nonrenewable

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a resource that is used up faster than it can be replaced

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regional metamorphism

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class of rock formed from extreme heat and/or pressure