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Title: Although muscovite, feldspar and quartz are not considered useful as index minerals, which of the fo Post by: Fochaian on Apr 2, 2016 Although muscovite, feldspar and quartz are not considered useful as index minerals, which of the following situations could be useful in determining the grade of metamorphism in a region?
A) The coexistence of muscovite, feldspar and quartz. B) The coexistence of feldspar and quartz. C) The disappearance of rocks containing quartz. D) The disappearance of rocks containing muscovite and quartz. Title: Re: Although muscovite, feldspar and quartz are not considered useful as index minerals, which of th Post by: Gursh on May 13, 2016 Content hidden
Title: Re: Although muscovite, feldspar and quartz are not considered useful as index minerals, which of the fo Post by: Fochaian on May 18, 2016 Makes total sense now, marking this solved
Title: Re: Although muscovite, feldspar and quartz are not considered useful as index minerals, which of the fo Post by: Gursh on May 19, 2016 Glad my interpretation was correct, will be around if you need anything else
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