Uniformity of composition all through) as well as the degree of isotropy. The latter is the extent to which the majority composition and composition are a similar in all Instructions inside the rock. Igneous rocks are those who solidify from magma, a molten combination of rock-forming minerals and typically volatiles https://personalisedsweets57789.daneblogger.com/35293542/the-definitive-guide-to-rock-sticks