Improving Ocean Literacy by Teaching the Geology of the Great Lakes
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Online Workshop through the College of Exploration, January-February, 2008
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Improving Ocean Literacy by Teaching the Geology of the Great Lakes
- 1. Improving Ocean Literacy By Teaching the Geology of the Great Lakes David P. Lusch , Ph.D., GISP Dept. of Geography Michigan State University Online Workshop through the College of Exploration January-February, 2008
- 4. 20% of all the freshwater on Earth! Largest: 209,800 km 2 Deepest: 406 m max, 147 m avg Smallest: 82,990 km 2 depth: 244 m max, 86 m avg area: 103,700 km 2 Shallowest: 64 m max, 19 m avg area: 175,800 km 2 depth: 282 m max, 85 m avg area: 193,700 km 2 depth: 229 m max, 59 m avg One lake, surface elev: 176 m
- 5. Everything yellow, brown, red or black is below sea level! (except in Lake Erie)
- 6. 191 years 2.6 years Retention Times 6 years 99 years 22 years
- 9. Rock Types in the Great Lakes Region Michigan Sedimentary Basin Canadian Shield Mid-continent rift
- 11. The Mid-continent Rift of North America
- 12. Lower Great Lake Basins
- 13. Great Lakes Structural Geology
- 14. Great Lakes Structural Geology
- 15. Great Lakes Structural Geology Wisconsin Dome Thornton, IL Marblehead Freemont Kelleys Is Pelee Is Toledo
- 18. Cambrian 500 Ma Equator N X
- 19. What a difference 20 million years makes! Mississippian 345 Ma Equator N Mississippian 325 Ma Equator N
- 25. Niagaran Escarpment Rock Island , Wisconsin
- 26. Niagaran Escarpment Fayette State Park, Michigan
- 27. Niagaran Escarpment Bruce Peninsula, Ontario N Dip slope Scarp slope
- 28. Niagaran Escarpment Hwy 401 Kelso & Hilton Falls Conservation Areas, Ontario
- 29. Niagaran Escarpment Hwy 401 Niagara Falls Lewiston, NY
- 30. Bathymetry of the Lake Huron Basin
- 35. Glacial Lake Stages Maumee Arkona Ypsilanti Low-Water Phase Whittlesey Warren Grassmere Lundy (Elkton) Early Algonquin Kirkfield Low-Water Phase Main Algonquin Post-Algonquin Stanley and Hough Nippissing Algoma Modern Greatlakean Stade Mackinaw Interstade Twocreekan Interstade Port Bruce Stade Port Huron Stade Glacial Lakes in the Huron and Erie Basins
- 37. Isostatic rebound evidence Nipissing wave cliff Algonquin 11,000 C 14 yrs 184.4 m Nipissing 4500 C 14 yrs 184.4 m 51.8 m rise in 6500 yrs. Nipissing wave cliff Algonquin wave cliffs
- 38. The End http://www.rsgis.msu.edu/