Metamorphic rock is formed when existing rock is transformed under high heat and pressure, which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble ...

The last group of rocks is called metamorphic, because these rocks form when a lot of heat and pressure change existing rocks into new types without melting or burning them. “Metamorphosis ...

The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from ancient sand dunes that hardened over time. It discusses how to interpret clues in ...

Chalk is a sedimentary rock. Metamorphic rocks are formed when another rock is under heat and pressure. Marble is a metamorphic rock, it is highly decorative and used for statues. Igneous rocks ...

My current and past research includes general contributions to 1) understanding deep crustal processes through the study of high-pressure rock exposures and lower crustal xenoliths, 2) metamorphic & ...