Lake Glendive

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Lake Glendive
Glacial lakes in Montana.jpg
Map of Montana showing Lake Glendive.
LocationDawson and Prairie, Montana
Coordinates47°07′12″N 104°42′41″E / 47.119933°N 104.711266°E / 47.119933; 104.711266Coordinates: 47°07′12″N 104°42′41″E / 47.119933°N 104.711266°E / 47.119933; 104.711266
Lake typeGlacial lake (former)
Primary inflowsLaurentide Ice Sheet
Primary outflowsOver the divide to the Yellowstone River or along the face of the Ice sheet.
Basin countriesUnited States
Max. lengthabout 80 miles (130 km)
Max. widthabout 30 miles (48 km)
Surface areavaried
Surface elevation315 m (1,033 ft)

Glacial Lake Glendive was a glacial lake on the lower Yellowstone River . It formed in the valley of Yellowstone, during the late Pleistocene epoch south of the Keewatin Ice Sheet. As the ice sheet retreated northward, the lake drained into the modern Missouri River.

Ice of the Keewatin Lobe of the Laurentide Ice Sheet advanced westward into the Missouri and Yellowstone river valleys. The Glasgow sublobe blocked the Missouri River west of present-day Fort Peck, Montana, and created Lake Jordan and glacial lakes Circle and Lambert were formed to the east. The Yellowstone lobe spread south past Intake, Montana, and formed glacial Lake Glendive. At its maximum the ice may have blocked the Little Missouri River forming glacial Lake Mikkelson.[2] When the ice sheet began to retreat northward, the southwestern margin of abandonment its previous drainages and lakes formed in the depression along the ice margins. Melting of the Shelby and Havre lobes in western Montana led to the retreat of the ice into Alberta. By 16,200 B.C. the ice had created glacial Lake Carmichael in the area of the Cypress Hills. By 15,700 B.C. ice-free conditions may have existed in southwestern Saskatchewan north of Havre, Montana.[3]


  1. ^ Physiography and Glacial Geology of Eastern Montana and Adjacent Areas; William C. Alden; United States Government Printing Office: Washington, D.C.; 1932
  2. ^ A.D. Howard 1960
  3. ^ Geologic Framework and Glaciation of the Central Area, 1-1-2006; Christopher L. Hill; Boise State University, Boise, Idaho; 2006
  • Alden, W. C., 1958, Physiography And Glacial Geology Of Eastern Montana And Adjacent Areas, U. S. Geological Survey Professional Paper 174.
  • Colton, R. B., Lemke, R. W., and Lindvall, R. M., 1961, Glacial map of Montana East of the Rocky Mountains, U. S. Geological Survey Miscellaneous Geological Investigations Map I-327.
  • Howard, A. D., 1958, Drainage Evolution In Northeastern Montana and Northwestern North Dakota, Bulletin of the Geological Society of America, v69, 575-588.
  • Lemke, R. W., Laird, W. M., Tipton, M. J., and Lindvall, R. M., 1965, Quaternary Geology Of Northern Great Plains, in Wright, H. E., Jr., and Frey, D. G., Eds, The Quaternary of the United States, Princeton University Press, Princeton, NJ.
  • Lindvall, R. M., 1962, Geology Of The Eagle Buttes Quadrangle, Chouteau County, Montana, U. S. Geological Survey Miscellaneous Geological Investigations Map I-349.
  • Thornbury, W. D., 1965, Regional Geomorphology Of The United States, John Wiley & Sons, Inc., New York.
  • Trimble, D. E., 1980, The Geologic Story Of The Great Plains, Geological Survey Bulletin 1493.
  • Wayne, W. J., Aber, J. S., Agard, S. S., Bergantino, R. N., Bluemle, J. P., Coates, D. A., Cooley, M. E., Madole, R. F., Martin, J. E., Mears, B., Jr., Morrison, R. B., and Sutherland, W. M., 1991, Quaternary Geology Of The Northern Great Plains, in The Geology of North America, Vol K-2, Quaternary Nonglacial Geology: Conterminous U. S., The Geological Society of America.

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