USU GEOL 3200 - Proterozoic Earth History (48 pages)

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Proterozoic Earth History



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Proterozoic Earth History

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Lecture Notes


Pages:
48
School:
Utah State University
Course:
Geol 3200 - The Earth Through Time
The Earth Through Time Documents

Unformatted text preview:

575 Ma Clapham and Narbonne 2002 Geology ANOROGENIC GRANITE Neoproterozoic Chuar Group Jorma complex 1 96 Ga Sea floor records ancient Earth Journal of Science 2007 If these observations are substantiated it will be a significant line of new evidence indicating that plate tectonics was active and familiar as early as 3 8 billion years ago he said STURGEON QUARTZITE PALEOPROTEROZOIC KONA DOLOMITE Curse of the Proterozoic Sandstone Jesse Ewing Canyon Fm Uinta Mountain Gp undifferentiated km Pz 7 6 5 4 3 2 1 0 older Jesse Ewing Canyon Fm Uinta Mountain Gp undifferentiated km Pz 7 6 5 4 3 2 1 0 older Neoproterozoic Chuar Group clear tropical sea WARM glacial marine deposit COLD 4 Pz Red Pine Shale 3 km Hades Pass Formation 2 Mt Watson 1 Fm equivalents basal UMG 0 Microfossils Red Pine Shale Vase shaped microfossils curved test Bonniea sp



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