Rock types in India - SlideShare
Jul 28, 2017· Rock types in India. Quartzite is a metamorphosed sandstone typically composed of >95% quartz. Schist is a low to medium grade metamorphic rock. Serpentinite is a metamorphosed ultramafic rock dominated by serpentine minerals Skarn is a metasomatic rock. Slate is a low grade metamorphic rock formed from shale or silts.
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