| II. Brief
Geologic History of California |
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| • | D. Cenozoic 66 mya - present |
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| – | 1. 40 mya - volcanism -> ash |
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| deposits, lava, other igneous |
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| intrusions |
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| – | 2. 30 mya |
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| – | 3. 15 mya - 700,00 ya |
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