Fossils can be formed in several ways. Buried bone and shell contain tiny air spaces into which water can seep, depositing minerals. Reinforced by these mineral deposits, bone and shell can ...

Thus, the principle of faunal succession makes it possible to determine the relative age of unknown fossils and correlate fossil sites across large discontinuous areas. Some minerals in rocks and ...

(Rique via Wikipedia) (CN) — After a nearly seven-year dispute over the ownership and definition of dinosaur fossils — including the remains of a rare Tyrannosaurus rex — the Montana Supreme Court has ...