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Chapter 5

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