Igneous and metamorphic ... by which rocks are altered due to the intense pressure and temperature conditions resulting from a meteorite impact. Hematite: An iron oxide mineral that is commonly ...

This causes the rocks to be heated and puts them under great pressure. They do not melt, but the minerals they contain are changed chemically, and form metamorphic rocks. The diagram shows how ...

But while the earthbound feature is made of limestone, a sedimentary rock, Atoko Point on the Red Planet is composed of pyroxene and feldspar, components of igneous and metamorphic rocks.