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science vocab

Terms

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rock cycle
the series of processes in which rock forms, changes from one type to another is destroyed and forms again by geological processes
bowen's reaction series
the simplifed pattern thet illustrates the order in which minerals crystallize from cooling magma according to their chemical composition and melting point
felsic
describes magma or igneous rock that is rich and feldspars and silica and is generally light in color
intrusive igneous rock
rock formed from the cooling and solidification of magma beneath earth's surface
regioal metamorphism
the type of metamorphism that occurs over a large area
nonfoliated
rocks that don't have bands or aligned minerals
cementation
the process in which minerals precipitate into pore spaces between sediment grains and bind sediment togetherto form rock
chemical sedimentary rock
sedimentary rock that forms when minerals precipitate from a solution or settle from a supension
compaction
the process in which the volume and porosity of a sediment is decreased by weight of overlying sediments as a result of burial beneath other sediments
organic sedimentary rock
sedimentary rock that forms from the remains of of plants and animals
metamorphism
the process by which heat, pressure, or chemical processes change 1 type of rock to another
mafic
describes magma or igneous rock that is rich in magnesium and iron and is generally dark in color
igeous rock
rock that forms when magma cools and solidifies
clastic sedimentary rock
sedimentary rock that forms when fragments of preexisting rocks are compacted or cemented together
contact meamorphism
a change in the texture, structure, or chemical composition of a rock due to contact with magma
extrusive igneous rock
rock that forms from the cooling and solidification of lava at earth's surface
foliation
metamorphic rock texture in which minerals grains are arranged in planes or bands

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