Density differs substantially amongst various rock styles as a consequence of variances in mineralogy and porosity. Knowledge of the distribution of underground rock densities can guide in interpreting subsurface geologic construction and rock kind. Basalt is, typically, an extrusive igneous rock which can show a considerable variation in porosity (because https://johnnycujzn.bloggip.com/36433302/facts-about-sticks-of-rock-revealed