Sedimentary Geology Geos 240 – Chapter 8 Depositional Environments Part 3 Deltas & Continental Shelves Dr. Tark Hamilton Dr. Tark Hamilton Readings from.

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Presentation transcript:

Sedimentary Geology Geos 240 – Chapter 8 Depositional Environments Part 3 Deltas & Continental Shelves Dr. Tark Hamilton Dr. Tark Hamilton Readings from Sediments & Basins: (8:1-67) Readings from Sediments & Basins: (8:1-67) Camosun College Camosun College

Deltaic Environments

Channel Sand over Coal Seam Jurassic Mountain Park, Alberta

Channel cut into Delta Front Sandstone Paleogene, Arctic Canada

Overbank & Crevasse Splay Deposits Carboniferous Kentucky

Channels cut into Carboniferous Kentucky

Coals overlain by Crevasse Splay Carboniferous Deposits Kentucky

Sedimentary Models across Estuaries

Continental Shelf Environments Siliciclastic

Giant Sand Ridges in the North Sea: 1. Shallow shelf 2. Bathymetric restrictio 3. Strong tidal & storm currents 4. Big Waves!

Tidal Sand Wave, Brittany (France)

Facies Model for a Shelf Storm Cycle

Storm Cycles across shelf margins versus depth

Hummocky Cross Stratification Storm Shelf, Cretaceous Oil Sands Alberta

The End: Chapter 8-Part 3!

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