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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

Define uniformitarianism?

Geology is the result of processes over a long period of time

What is a period?

A unit of time dividing eras

What is a system?

All the rocks formed in a period

What 3 methods of predicting the Earths age were used?

Salt content of the oceans


Rate of cooling


Rate of sedimentation

List the 3 geological eras in order

Palaeozoic


Mesozoic


Cenozoic