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science vocab

Terms

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Bowen's reaction series
the simplified pattern that illustrates the order in which mireals crystallize from cooling magma according to their chemical composition and melting point
organic sedimantary rock
sedimentary rock that forms from the remains of plants or animals
compaction
the processes in which the volume and porosity of a sediment is decreased by the weight of overlying sediments as a result of burial beneath other sediments
cemetation
the process in which minerals precipatate into pore spaces between sediment grains and bind sediments together to form rock
contact metamorphism
a change in the texture, structure, or chemical composition of a rock due to contact with magma
foliatoin
the metamorphic rock texture in which mineral grains are arrangedin planes or bands
igneous rock
rock that forms when magma cools and solidifies
nonfoliated
the metamorphic rock texture in which mineral grains are not arranged in planes or bands
metamorphism
the processes in which one type of rock changes into metamorphic rock because of chemical processes or changes in temperature and pressure
extrusive igneous rock
rock that forms from the cooling and solidification of lava at Earth's surface
rock cycle
the series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geological process.
mafic
describes magma or igneous rock that is rich in magnesium and iron and that is generally dark in color
reginal metamorphism
a change in the texture, structure, or chemical composition of a rock due to changes in temperature and pressure over a large area
felsic
describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color
clasitc sedimentary rock
sedimentary rock that forms when fragments of preexisting rocks are compacted or cemeted together
intrusive igneous rock
rock formed from the cooling and solidification of magma beneath Earth's surface
chemical sedimentary rock
sedimentary rock that forms when minerals precipitate from a solutionor settle from a suspension

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