Rocks and Minerals Exam Review Earth Science Regents

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Intrusive igneous rocks are characterized by coarse-grained texture because they contain

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large crystals.

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light-colored igneous rocks and generally part of the

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felsic family.

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Sedimentary rock formed from rock fragments is called

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clastic.

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One example of crystalline sedimentary rock is

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an evaporate.

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A rock that contains a fossil is most likely

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sedimentary.

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The large, well-developed crystals found in some samples of granite are a sign that

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the magma from which it formed cooled slowly, below Earth's surface

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How does coal differ from breccia?

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Coal is an example of bioclastic rock, and breccia is an example of clastic rock.

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Which term describes the metamorphic rock texture in which minerals are arranged in bands?

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foliation

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What occurs when heat from nearby magma causes changes in the surrounding rocks?

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contact metamorphism

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Igneous rock that cools very quickly when it forms has a texture that is _____.

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smooth and shiny with no visible grain