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Science Vocab

Terms

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Compaction
The process in which sediment is squeezed and in which the size of the pore space between sediment grains is reduced by weight and pressure of overlying layers
Metamorphism
The process in which one type of rock changes into Metatmorphic rock
Intrusive igneouse rock
Magma that cools deep inside Earths crust
Chemical Sedimentary rock
Rock that forms from minerals that were once dissolved
Rock Cycle
Series of rock changes
Nonfoliated
Rocks that do not have bands or aligned minerals
Clastic Sedimentary Rock
Rock formed from deposits
Igneouse Rock
What magma forms when it cools
Organic Sedimentary Rock
Rock that forms from remains of living things
Cementation
The process in which sediments are glued together by minerals that are deposited by water
Felsic
Magma that contains lots of silica
Mafic
Magma that contains a little silica
Foliation
The metamorphic rock texture in which minerals grains are arranged in planes or bands
Extrusive igneouse rock
Lava that cools at Earths surface
Contact Metamorphism
A change in texture, structure or chemical composition due to contact with magma
Bowens Reaction series
The simplified pattern that illustrates the order in which minerls crystallize from cooling magma
Regional Metamorphism
A change in texture, structure or chemical composition due to changes over a large area

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