Archeozoic Era, a division of geologic time used by some geologists. The Archeozoic Era corresponds to early Pre-cambrian Time.
Petrified Wood, wood that has been fossilized by being turned into stone. Petrifaction is a natural process that may form fossils from the solid remains of any plant or animal.
Before the existence of radiocarbon dating, archaeologists would hope their prized potsherds happened to lie buried next to a dated coin. How has the measurement of C-14 and C-12 revolutionized the science of archaeology?