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Rock Vocab

TermDefinition
Rock A naturally occurring solid mixture of one or more minerals or organic matter.
Erosion The process by which wind, water, ice, or gravity transports soil and sediment from one location to another.
Deposition The process in which material is laid down.
Composition The chemical makeup of a rock; describes either the minerals or other materials in the rock.
Texture The quality of a rock that is based on the sizes, shapes, and positions of the rock's grains.
Strata Layers of rock.
Stratification The process in which sedimentary rocks are arranged in layers.
Foliated The texture of metamorphic rock in which the mineral grains are arranged in planes or bands.
Non - Foliated The texture of metamorphic rock in which the mineral grains are not arranged in planes or bands.
Recrystallization The process in which grains of a crystal structure come in new structure or new crystal shape.
Deformation An alteration of the size or shape of rocks.
Intrusive Igneous Rock formed from the cooling and solidification of magma beneath the Earth's surface.
Extrusive Igneous Rock that forms as a result of volcanic activity at or near the Earth's surface.
Metamorphism Alteration of the composition or structure of a rock by heat, pressure, or other natural agency.
Regional Metamorphism Metamorphism affecting rocks over an extensive area as a result of the large-scale action of heat and pressure.
Contact Metamorphism Metamorphism due to contact with or proximity to an igneous intrusion.
Created by: bluefish03