Term
| The Hadean Era is formally called what? |
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Definition
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Term
| The Hadean Era spans what timeframe? |
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Definition
| 4,600 to 4,000 million years ago. |
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Term
| The Pre-Cambrian Eon is made up of which Eras? (From oldest to youngest) |
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Definition
| Lower Archean (Hadean), Archean, Proterozoic. |
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Term
| The Archean Era spans what timeframe? |
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Definition
| 4,000 to 2,500 million years ago. |
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Term
| The Proterozoic Era spans what timeframe? |
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Definition
| 2,500 to 542 million years ago. |
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Term
You can remember the order of the Periods within the Paleozoic Era with this series of letters: C O S D M P P.
What does that stand for? |
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Definition
| Cambrian. Ordovician. Silurian. Devonian. Mississippian. Pennsylvanian. Permian. |
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Term
| In North America what names are used to divide the Carboniferous Period? |
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Definition
| Mississippian and Pennsylvanian. |
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Term
| The Mesozoic Era is made up of which Periods? (From oldest to youngest) |
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Definition
| Triassic, Jurassic, Cretaceous. |
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Term
| The Cenozoic Era is made up of which Periods? (From oldest to youngest) |
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Definition
| Paleogene, Neogene, Quaternary. |
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Term
| The Paleogene Period is made up of which Epochs? (From oldest to youngest) |
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Definition
| Paleocene, Eocene, Oligocene. |
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Term
| The Neogene Period is made up of which Epochs? (From oldest to youngest) |
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Definition
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Term
| The Quaternary Period is made up of which Epochs? (From oldest to youngest) |
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Definition
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