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Chapter7 Rocks and M

WordDefinition
Crystal Solid material with atoms arranged in a repeating pattern
Extrusive Describes igneous rocks that have small or no crystals and form when melted rock cools quickly on Earth's surface
Foliated describes metamorphic rocks with visible layers of minerals
Gem rare, valuable mineral that can be cut and polished
Igneous Rock Intrusive or Extrusive rock that is produced when melted rock from inside Earth cools and hardens
Intrusive Describes types of igneous rocks that generally contains large crystals and forms when magma cools slowly beneath Earth's surface
Metamorphic Rock New rock that forms when existing rock is heated and squeezed.
Mineral Inorganic solid material found in nature that always hs the same chemical makeup
Nonfoilated Describes metamorphic rocks that lack distinct layers or bands
Ore Material that contains enough of a useful metal that can be mind and sold at a profit
Rock solid inorganic material that is usually made of two or more minerals and can be metamorphic,sedimentary, or igneous
Rock Cycle diagram that shows the slow, continuous process of rocks changing from one type to another
Sedimentary Rock A type of rock made from pieces of other rocks, dissolved minerals, or plant and animal matter that collect to form rock layers
Created by: Dr.Mohawk
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