Rocks are closely related to minerals, as rocks are composed of minerals and minerals are found growing on their surfaces and in their cavities. We intend to create a collective work where everybody can contribute and where expert opinions of geologists and petrologists are widely shared. ...
The rare set of circumstances that allow living things to become stone are special indeed. Whether your wood takes millions of years to become hard, or you prefer just several days of manual manipulation, petrifaction is one process that surely excites geologists everywhere! BonusFacts: Petrified w...