Geology Chapter 2.8

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  • Created by: abbbyw
  • Created on: 31-12-17 09:46
Major intrusions
plutonic + cool deep below the surface + include batholiths
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Plutons
large igneous intrusive bodies. If they are greater than 100km2 then they're called batholiths, usually made of several plutons
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Batholith
a large igneous intrusion which may be an aggregate of plutons
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Metamorphic aureole
a large area around a batholith where rocks have been metamorphosed
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Contact
where the igneous rock meets the country rock
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Stoping
the process that accommodates the magma, as it moves upwards into the country rock, by the mechanical fracturing of the surrounding country rock
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Xenoliths
clasts / blocks of pre-existing rock contained within an igneous rock
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Assimilation
the melting process that incorporates blocks of country rock, freed by stoping, into the magma
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Other cards in this set

Card 2

Front

large igneous intrusive bodies. If they are greater than 100km2 then they're called batholiths, usually made of several plutons

Back

Plutons

Card 3

Front

a large igneous intrusion which may be an aggregate of plutons

Back

Preview of the back of card 3

Card 4

Front

a large area around a batholith where rocks have been metamorphosed

Back

Preview of the back of card 4

Card 5

Front

where the igneous rock meets the country rock

Back

Preview of the back of card 5
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