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EARTH'S HISTORY (ROCKS 1200px-4,030,000,000_Years_Acasta_Gneiss…
EARTH'S HISTORY
ROCKS
ZIRCON
FELSIC
SANDSTONE
IGNEOUS
SEDIMENTERY
METAMORPHIC
GEOLOGIC TIME SCALE
PRECAMBRIAN
PALEOZOIC
MESOZOIC
CENOZOIC
EVOLUTION
TRILOBITES
DINOSAURS
MAMMALS
HUMANS (HOMO SAPIENS)
FOSSIL
DINOSAUR FOSSILS
HUMAN FOSSIL
BUG FOSSILS
INDEX FOSSILS
EXTINCTION
DINOSAURS
DODO BIRDS
SABER-TOOTHED CAT
