Tác giả: Rodney Grapes

Granitic rocks are a major component of the continental crust and the many and complex problems of their origin that have confronted geologists for over 200 years still are presenting challenges …

Pyrometamorphism occurs at very high temperatures (800 – > 1000 °C) and low pressures (< 2 kb) and typically results in the formation of ‘burnt’ and fused rocks termed buchites, paralavas, clin …

1000 °C) and low pressures (< 2 kb) and typically results in the formation of ‘burnt’ and fused rocks termed buchites, paralavas, clinkers and fulgarites. It is typically associated with shallow b …

Petrogenesis of Metamorphic Rocks presents a large number of diagrams showing the stability relations among minerals and groups of minerals found in metamorphic rocks. The diagrams help to determine …