Our rock is schist. It is a foliated metamorphic rock primarily made up of Muscovite and Biotite. Schist is shiny, has layers, some of the grains can be seen, and some bits of the rock will come off in your hand.
 |
| http://u3askyegeology.blogspot.com/ |
Schist beings as shale. Shale is a sedimentary rock. Once shale has pressure and heat applied to it, it transforms into slate. This is a metamorphic change. The more pressure and heat, the more the rock may change. From slate, the rock morphed into phyllite and then into schist. If the schist were to be placed under more heat and pressure, it may eventually turn into gneiss.
 |
| http://imnh.isu.edu/digitalatlas/geo/basics/diagrams.htm |
No comments:
Post a Comment