A trio of researchers from James Cook University, working with a colleague from the University of Adelaide, has found metamorphic diamonds in rocks near Australia's northeast coast. In their paper ...

Describe how metamorphic rocks differ from igneous and sedimentary rocks, both in their origin and their appearance. List the 4 factors that control metamorphism. Explain the role of each. List the 3 ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

Equilibrium omphacite-garnet-bearing mafic rocks have been classified as eclogites, either pristine or retrogressed, that were formed at great depths in the lithosphere. Here we report a unique ...