Density may differ appreciably amid distinct rock types because of dissimilarities in mineralogy and porosity. Familiarity with the distribution of underground rock densities can aid in interpreting subsurface geologic structure and rock form. Basalt is, typically, an extrusive igneous rock which can exhibit a big variation in porosity (mainly because https://rocksticks23344.blogtov.com/16793843/sticks-of-rock-fundamentals-explained