Rock Types and Characteristics (Guess Who- Study Guide)

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MARBLE

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Type: Metamorphic, Texture: Non-foliated, Origin: Used to be limestone, Reacts with acid.

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LIMESTONE

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Type: Sedimentary, Texture: Non-clastic chemical, Reacts with acid.

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GENISS

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Type: Metamorphic, Texture: Foliated, Origin: Used to be granite.

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GRANITE

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Type: Igneous, Texture: Intrusive, Makes up continental crust.

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COAL

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Type: Sedimentary, Texture: Non-clastic organic, Use: Highly prized for energy production.

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BASALT

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Type: Igneous, Texture: Extrusive, Makes up oceanic crust.

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SCHIST

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Type: Metamorphic, Texture: Foliated, Origin: Used to be shale or slate.

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SHALE

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Type: Sedimentary, Texture: Clastic, Characteristics: Brittle, made from thin strata of clay or mud.

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SLATE

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Type: Metamorphic, Texture: Foliated, Origin: Used to be shale.

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CONGLOMERATE

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Type: Sedimentary, Texture: Clastic, Composition: Made of gravel-size particles and other sediments.