For igneous rocks of Intermediate Composition state whether each mineral is: A:
ID: 292697 • Letter: F
Question
For igneous rocks of Intermediate Composition state whether each mineral is:
A: most abundant
B: present
C: possible in small amounts
D: never present
Question 5 options:
1234
quartz
1234
Biotite
1234
Plagioclase
1234
olivine
1234
pyroxene (augite)
1234
amphibole (hornblende)
1234
muscovite
1234
K-spar (potassium feldspar)
A: most abundant
B: present
C: possible in small amounts
D: never present
1234
quartz
1234
Biotite
1234
Plagioclase
1234
olivine
1234
pyroxene (augite)
1234
amphibole (hornblende)
1234
muscovite
1234
K-spar (potassium feldspar)
1.A: most abundant
2.B: present
3.C: possible in small amounts
4.D: never present
Explanation / Answer
quartz-A.)second most abundant
biotite-c.)possible in small amounts
plagioclase-A.)most abundant
olvine-A.)most abundant
pyroxene-B.)present
amphibole-B.)present
muscovite-A.)most abundant
K-spar-A.)most abundant
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