The Moine Schist, the puzzling old rock found on top of younger rock here, is called a metamorphic rock. Metamorphic rocks are created when other types of rock become very hot or are squeezed ...

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31.

An extensive reference list provides guidance for further reading ... Igneous rocks are examined by their tectonic setting and metamorphic rocks by their protolith, which is exactly how I have taught ...

It integrates a systematic account of the mineralogical changes accompanying metamorphism of the major rock types with discussion of the conditions and settings in which they formed. The use of ...