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Physics 20 Online
OpenStudy (anonymous):

name the fined grained rock with the following mineral composition: 50% orthoclase 26% quartz 13% plagioclase 8% mica and 3% hornblende

OpenStudy (micahm):

is this a ABC to chose from

OpenStudy (anonymous):

sadly no it is a fill in the blank

OpenStudy (micahm):

have you tried looking this on on Wikipedia or Google?

OpenStudy (micahm):

@alycaz

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