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A fine-grained rock has the following mineral composition;50 percent potassium feldpar (ortho-clase),?
26 percent quartz,13 percent plagioclase feldspar,8 percent biotite mica,and 3 percent of the amphiobole hornblende. The rock would most likely be
1.- granite
2.- rhyolite
3.- gabbro
4.- basalt
2 Answers
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- Tashkent TLv 61 decade agoFavorite Answer
2 - rhyolite
The other answerer is incorrect since you state that it is a FINE grained rock & not a COARSE grained rock of the same composition.
- Anonymous1 decade ago
1 - granite
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