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Geological timeline
Notes for the Geological timeline
Question | Answer |
---|---|
How Many Eras are they and what are they in order? | 1.Precambrian 2.Paleozoic 3.Mesozoic 4.Cenozoic |
How long was the Precambrian era? | 4060 million years long |
How long was the Paleozoic era? | 345 million years long |
How long was the Mesozoic era? | 160 million years long |
How long was the Cenozoic era? | 65 million years long |
How many periods are in the Paleozoic Era and what are they? | SIX 1.Cambrian 2.Ordovician 3.Silurian 4.Devonian 5.Carboniferous 6.Permian |
How many periods are in the Mesozoic Era and what are they? | THREE 1.Triassic 2.Jurassic 3.Cretaceous |
How many periods are in the Cenozoic Era and what are they? | TWO so far 1.Tertiary 2.Quaternary |
How long is the Cambrian, Ordovician, Silurian, Devonian Carboniferous, and Permian periods? | 1) 70m.y 2) 70m.y 3) 35m.y 4) 50m.y 5) 65m.y 6) 55m.y |
How long is the Triassic, Jurassic, and Cretaceous periods? | Triassic 35m.y Jurassic 54m.y Cretaceous 71m.y |
How long is the Tertiary and the Quaternary periods? | 1. 63.2m.y 2.1.8m.y |