https://slcc.pressbooks.pub/physicalgeography/chapter/3-5/
https://csmgeo.csm.jmu.edu/geollab/fichter/sedrx/Basickey.PDF
https://www.zmescience.com/feature-post/natural-sciences/geology-and-paleontology/rocks-and-minerals/most-common-types-of-rocks/
https://pressbooks.cuny.edu/gorokhovich/chapter/rocks-and-rock-cycle-ii-characteristics-of-metamorphic-rocks/