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Rock Vocab

Rock Vocab Pg. 90-111

TermDefinition
Rock A naturally occurring solid mixture of one or more minerals and organic matter.
Erosion The process by which wind, water, ice, or gravity transports soil and sediment from one location to the 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 sizes, shapes, and positions of the rock's grains.
Strata Layers of rock. (singular, stratum)
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.
Recrystallization It is when crystals may change in size or composition.
Deformation It is a change in the shape of a rock caused by a force placed on it.
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 the Earth's surface.
Metamorphism It is when the rock changes shape.
Regional Metamorphism It is when pressure builds up in rock that is buried deep below other rock formations or when large pieces of the Earth's crust collide in to each other.
Contact Metamorphism It is when magma heats the rock and changes it.
Created by: melanieediger
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