About this document
Metamorphic Grades and Index Minerals by Abdihakim Muhumed Ahmed is a document available to read on EtoBox.
The document discusses metamorphic grades and facies. It describes how metamorphic grade is determined based on index minerals that form under specific temperature and pressure conditions. The grades range from low to high and include zones defined by minerals like chlorite, biotite, garnet, and kyanite. Metamorphic facies represent distinct P-T conditions and mineral assemblages, such as greenschist, amphibolite, and granulite facies. Prograde and retrograde metamorphism are also summarized.
- Author
- Abdihakim Muhumed Ahmed
- Language
- EN