Sir why metamorphic rock have more elongation quotient than igneous and sedimentary rocks.

TOundness. us Generally the elongation quotient is maximum in metamorphic rocks, less 9 rocks and very less in sedimentary rocks. Thus when the source rock is of metamo origin, the sphericity of the clastic grains is not that much pronounced. ) Packing It is the manner of aggregation of sedimentary grains, which are held together in