Petro Exam Vocab Flashcards by Stacy Andrews | Brainscape

Q

Transform Fault

A

sheer boundries

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Q

Sedimentary

A

makes up 66% of exposed rock

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Q

metamorphic

A

mantle rock

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Q

MOho

A

seperation between mantle and crust

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Q

Asthenosphere

A

plastic layer

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Q

Differentiation

A

process of enriching elements

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Q

Rhyolite

A

quartz rich volcanic rock

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Q

Peridotite

A

mantle rock with high percent of olivine

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Q

Pyroxenite

A

ultramafic rock made almost entirely of pyroxene

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Q

Phonolite

A

rock with 15wt.% total alkalies and 60wt.% SiO2

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Q

Dalite

A

a rock with 3wt.% total alkalies and 60wt.% SiO2

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Q

Anorthosite

A

mafic rock of plagioclase

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Q

Trachyte

A

k-spar rich volcanic rock

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Q

Hornblendite

A

mostly hornblende ultramafic rock

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