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Chp.2 Rocks: Mineral Mixtures
Chapter Vocabulary
12
Science
Not Applicable
07/15/2005

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Term
Rock
Definition
A naturally occurring solid mixture of one or more minerals of organic matter.
Term
Rock Cycle
Definition
The series of processes in which a rock forms, changes from one type to another, is destroyed, and forms again by geological processes.
Term
Erosion
Definition
The process by which wind, water, ice, or gravity transports soil and sediment from one location to another.
Term
Deposition
Definition
The process in which material is laid down.
Term
Composition
Definition
The chemical makeup of a rock; describes either the minerals or other materials in the rock.
Term
Texture
Definition
The quality of a rock that is based on the sizes, shapes, and positions of the rock's grains.
Term
Intrusive Igneous Rock
Definition
Rock formed from the cooling and solidification of magma beneath the Earth's surface.
Term
Extrusive Igneous Rock
Definition
Rock that forms as a result of volcanic activity at or near the Earth's surface.
Term
Strata
Definition
Layers of rock.
Term
Stratification
Definition
The process in which sedimentary rocks are arranged in layers.
Term
Foliated
Definition
The texture of metamorphic rock in which the mineral grains are arranged in planes or bands.
Term
Nonfoliated
Definition
The texture of metamorphic rock in which the mineral grains are not arrnaged in planes or bands.
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