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6 Cards in this Set
- Front
- Back
List the periods in order? |
Cambrian Ordovician Silurian Devonian Carboniferous Permian Triassic Jurassic Cretaceous Paleogene Neogene |
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Define uniformitarianism? |
Geology is the result of processes over a long period of time |
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What is a period? |
A unit of time dividing eras |
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What is a system? |
All the rocks formed in a period |
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What 3 methods of predicting the Earths age were used? |
Salt content of the oceans Rate of cooling Rate of sedimentation |
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List the 3 geological eras in order |
Palaeozoic Mesozoic Cenozoic
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