For igneous rocks of Felsic Composition state whether each mineral is: A: most a

Question

For igneous rocks of Felsic Composition state whether each mineral is:

A: most abundant

B: present

C: possible in small amounts

D: never present

Question 6 options:

1234

quartz

1234

Biotite

1234

amphibole (hornblende)

1234

Plagioclase

1234

K-spar (potassium feldspar)

1234

olivine

1234

pyroxene (augite)

1234

muscovite

A: most abundant

B: present

C: possible in small amounts

D: never present

1234

quartz

1234

Biotite

1234

amphibole (hornblende)

1234

Plagioclase

1234

K-spar (potassium feldspar)

1234

olivine

1234

pyroxene (augite)

1234

muscovite

1.

A: most abundant

2.

B: present

3.

C: possible in small amounts

4.

D: never present

Explanation / Answer

Quartz- most abundant

Biotite- possible in small amounts

Amphiboles- present in small amounts

Plagioclase- present

K-felfdspar- most abundant

Olivine- never present

Pyroxenes- never present

Muscovite- present

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