science vocabulary
Terms
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- organic sedimentary rock
- sedimentary rock that forms from the remains of plants or animals.
- contact metamorphism
- a change in the texture,structure, or chemical composition of a rock due to contact with magma.
- nonfoliated
- minerals that are not arranged in bands
- rock cycle
- the series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geological processes.
- igneous rock
- rock that forms when magmacools and solidifes.
- felsic
- describes magma or igneous rock that is rich in feldspar and silica and that is generally light in color.
- cementation
- the process in which minerals precipitate into pore space between sediment grains and bind sediment together to form rock.
- clastic sedimentary rock
- sedimentary rock that forms when fragments of preexisting rocks are compacted or cemented toghther.
- extrusive igneous rock
- rock that forms from the cooling and solidification of lava at earth's surface.
- bowen's reaction series
- the simplified pattern that illustrates the order in which minerals crystalize from cooling magma according to their chemical composition and melting point.
- metamorphism
- the process in which one type of rock changes into metamorphic rock because of chemical processes or change in tempature and pressure.
- chemical sedimentary rock
- sedimentary rock that forms when minerals precipate from a solution or settle from a suspension.
- compaction
- the process in which the volume and porosity of a sediment is decreased by the weight of overlaying sediment as a result of burial beneath other sediment.
- intrusive igneous rock
- rock formed from the cooling and solidification of magma beneath the earth's surface.
- foliated
- minerals that are arranged in bands
- regional metamorphism
- a change in the texture,structure, or chemical composition of a rock due to changes in tempature and pressure over a large area, generally as a result of tetonic force
- mafic
- describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color.