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5 Cards in this Set

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  • Back
Draw earth chart. Include layers, distances deep, Specific Gravity, and materials.
Continental Crust, Granite, 0
Name the Era's of time and how many years ago they started
Precambrian- 4600 million
Paleozoic- 545 million
Mesozoic- 245 million
Cenozoic- 65 million
Name the periods in the Cenozoic Era
Quaternary
Tertiary
Name the periods in the Mesozoic Era
Cretaceous
Jurassic
Triassic
Name the periods in the Paleozoic Era
Permian Carboniferous
Devonian
Silurian
Ordovician
Cambrian