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Chapter 5

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Across
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Magma that flows out onto Earth's surface
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Rare, ultramafic rock that can contain diamonds and other mineral formed only under very high pressures
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Light-colored rock that has high silica content and contains quartz and potassium feldspar
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Rock texture characterized by large, well-formed crystals surrounded by finer-grained crystals of the same or different mineral
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Process in which different minerals crystallize from magma at different temperatures, removing elements from magma
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Course-grained igneous rock that is formed when molten rock cools slowly and solidifies inside Earth's crust
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Process whereby some minerals melt at relatively low temperatures while other minerals remain solid
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Veins of extremely large-grained minerals
Down
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Refers to the size, shape, and distribution of the crystals or grains that make up a rock
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Rock that is dark colored, lower silica contents, and is rich in iron and magnesium
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Sequential, predictable, dual-branched pattern in which minerals crystallize from cooling magma
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Spongy looking rock; lava whose gas bubbles didn't escape
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Fine-grained igneous rock that is formed when molten rock cools quickly and solidifies on Earth's surface
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Form when lava or magma cools and minerals crystalize