Sedimentary Geology Geos 240

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Sedimentary GeologyGeos 240 Chapter
8Depositional EnvironmentsPart 3Deltas
Continental Shelves

• Dr. Tark Hamilton
• Readings from Sediments Basins (81-67)
• Camosun College

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Deltaic Environments
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Channel Sand over Coal SeamJurassic Mountain
Park, Alberta
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Channel cut into Delta Front Sandstone Paleogene,
Arctic Canada
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Overbank Crevasse SplayDeposits Carboniferous
Kentucky
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Channels cut into Carboniferous Kentucky
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Coals overlain by Crevasse Splay Carboniferous
Deposits Kentucky
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Coals overlain by Crevasse Splay Carboniferous
Deposits Kentucky
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Sedimentary Models across Estuaries
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Continental Shelf Environments Siliciclastic
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Giant Sand Ridges in the North Sea1. Shallow
shelf2. Bathymetric restrictio3. Strong tidal
storm currents4. Big Waves!
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Tidal Sand Wave, Brittany (France)
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Facies Model for a Shelf Storm Cycle
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Storm Cycles across shelf margins versus depth
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Hummocky Cross StratificationStorm Shelf,
Cretaceous Oil Sands Alberta
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The End Chapter 8-Part 3!