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Search results with tag "Geologic time scale"
4.0 The fossil record provides evidence of Earth’s …
www.edquest.caScience In Action 7 Planet Earth Notes Geologic Time Scale Geologists use this knowledge to organize the Earth’s history into geologic time intervals.
The Geologic Time Scale
ds0vt0n1s74d2.cloudfront.netHow old is the Earth? • 4.6 billion years! • 4,600,000,000 • Divided into “eras”: – Precambrian – Paleozoic – Mesozoic – Cenozoic
GSA GEOLOGIC TIME SCALE v. 5
www.geosociety.orgperiod late early late early middle late early middle maastrichtian campanian santonian coniacian turonian cenomanian albian aptian barremian hauterivian valanginian berriasian tithonian kimmeridgian oxfordian callovian bathonian bajocian aalenian toarcian pliensbachian sinemurian hettangian norian rhaetian carnian ladinian anisian olenekian ...