Science
Terms
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- igneous rock
- rock that forms when magma cools and solidifies
- mafic
- describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color
- foliated
- the metamorphic rock texture in which grains are arranged in planes of bands
- chemical sedimentary rock
- sedimentary rock that forms when minerals precipitate from a solution or settle from a suspension
- contact metamorphism
- a change in the texture, structure, or chemical compositon of a rock due to contact with magma
- regional metamorphism
- a change in the texture, structure, or chemical compositon of a rock due to changes in tempeture and pressure over large area, generally as a result of tectonic forces
- felsic
- describes magma or igneous rock that is rich in feldspars and silicate and that is generally light in color
- intrusive igneous rock
- rock that formed from the cooling and solidification of lava at Earths surface
- compaction
- the process in which the volume and porosity of a sediment is decreased by the weight of of overlaying sediments as a result of burial beneath other sediments
- extrusive igneous rock
- rock that forms from the cooling and solidification of lava Earth's surface
- cementation
- the process in which minerals precipitate into pore spaces between sediments grains and bind sediments together to form rock
- non foliated
- the metomorphic rock texture in which mineral grains are not arranged in planes or bands
- metamorphism
- the process in which one type of rock changes into metamorphic rock because of chemical processes or changes in tempeture and pressure
- organic sedimentary rock
- sedimentary rock that forms the remains of plants or animals
- Bowen's reaction series
- the simplified pattern that illustrates the order in which minerals crystallize from cooling magma according to their chemical composition and melting point
- clastic sedimentary rock
- sedimentary rock that forms when fragments of preexisting rocks are compacted or cemented together
- rock cycle
- the series of the process in which rock forms