For igneous rocks of M afic Composition state whether each mineral is: A: most a
ID: 292781 • Letter: F
Question
For igneous rocks of Mafic Composition state whether each mineral is:
A: most abundant
B: present
C: possible in small amounts
D: never present
Question 4 options:
1234
Biotite
1234
quartz
1234
muscovite
1234
K-spar (potassium feldspar)
1234
pyroxene (augite)
1234
amphibole (hornblende)
1234
Plagioclase
1234
olivine
A: most abundant
B: present
C: possible in small amounts
D: never present
1234
Biotite
1234
quartz
1234
muscovite
1234
K-spar (potassium feldspar)
1234
pyroxene (augite)
1234
amphibole (hornblende)
1234
Plagioclase
1234
olivine
1.A: most abundant
2.B: present
3.C: possible in small amounts
4.D: never present
Explanation / Answer
Biotite - B.Present quartz - D. Never present muscovite - D. Never present K-spar (potassium feldspar) - D. Never present pyroxene (augite) - A. most abundant amphibole (hornblende) - C. Possible in small amounts. plagioclase - C. Possible in small amounts. olivine - A. most abundant
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