Density may differ noticeably between different rock types thanks to discrepancies in mineralogy and porosity. Familiarity with the distribution of underground rock densities can aid in interpreting subsurface geologic framework and rock variety. Metamorphism generally produces obvious layering, or banding, due to segregation of minerals into separate bands. Metamorphic processes https://cristianiyocr.vidublog.com/35338558/sticks-of-rock-no-further-a-mystery