Ch 4 Flashcards
Rock cycle
The series of processes in which rock forms, changes from one type to another and then destroyed.
Erosion
The process by which wind, water, ice, or gravity transport soil and sediment to another place
Deposition
The process in which material is laid down
Composition
The chemical makeup of a rock.
Texture
The quality of a rock which is based on the size, shape, and position of the rocks grains.
Intrusive igneous rock
Rock formed from the cooling and solidification of magma beneath the earths surface
Extrusive igneous rock
Rock that forms as a result of volcanic activity at or near the earths surface.
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 trains are arranged in planes or bands
Nonfoliated
The texture of metamorphic rock in which the mineral grains are not arranged in planes or bands
Rock
A naturally occurring solid, with organic matter
