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Earth Science - Rocks

Chapter 3
Across
Large piles of poor-quality coal lying near abandoned coal mines that can generate acid runoff.
Light colored igneous rocks formed from magma rich in silicon and oxygen.
Formed when fragments of rocks, minerals, and organic mater are compacted or cemented together.
Earth material made of a mixture of one or more minerals, glass, mineraloids or organic matter.
Process in which a power plant uses both the electrical and thermal energy produced by the plant.
Formed from sedimentary or igneous rock due to increases in heat or pressure.
Type of metamorphic rock created when mineral grains change, grow, and rearrange, but don't form bands.
Igneous rocks that form when magma extrudes onto Earth's surface and cools as lava with a fine grained texture.
Igneous rocks formed when magma cools below earths surface; generally have large mineral grains.
Down
Dark colored dense igneous rocks that form from magna rich in iron and magnesium.
Molten rock flowing from a volcano.
Large sediments are glued together by minerals deposited between the sediments.
The process by which over many years earth materials form and change back and forth among igneous, sedimentary, and metamorphic rocks.
Loose materials such as rock fragments, mineral grains and bits of plants and animals that have been transported by wind and water.
A metamorphic rock created when mineral grains flatten and line up in parallel bands.
Rock formed by the cooling and hardening of molten material from a volcano or from deep inside the earth.