Geology Chapter 2.1

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  • Created by: abbbyw
  • Created on: 23-12-17 16:46
igneous rocks
cooled from magma
1 of 6
phenocrysts
large crystals in an igneous rock, much larger than the groundmass
2 of 6
essential minerals
those minerals used to classify igneous rocks. Other minerals that maybe present, but aren't used for classification, are accessory or secondary minerals
3 of 6
felsic minerals
light coloured and silica rich
4 of 6
magma
molten rock, which is beneath the Earth's surface
5 of 6
mafic minerals
dark coloured, silica poor + rich inf magnesium and iron
6 of 6

Other cards in this set

Card 2

Front

large crystals in an igneous rock, much larger than the groundmass

Back

phenocrysts

Card 3

Front

those minerals used to classify igneous rocks. Other minerals that maybe present, but aren't used for classification, are accessory or secondary minerals

Back

Preview of the back of card 3

Card 4

Front

light coloured and silica rich

Back

Preview of the back of card 4

Card 5

Front

molten rock, which is beneath the Earth's surface

Back

Preview of the back of card 5
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