Uniformity of composition through) plus the diploma of isotropy. The latter is definitely the extent to which the bulk construction and composition are the same in all Instructions from the rock. Basalt is, usually, an extrusive igneous rock which can show a substantial variation in porosity (since entrained gases leave https://rock-sticks89001.bloggerchest.com/36359674/helping-the-others-realize-the-advantages-of-rock-sticks