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The ice continued northward forming the next phase of Lake Chicago. The lake level remained at 640' above sea level, [3] but the ice margin was a third of the way north, opening a channel across Michigan, draining the Lake Saginaw and Lake Whittlesey proglacial lakes in the Lake Huron and Lake Erie basins. [4] Map of Glacial Lakes Duluth ...
Lake Maumee was a proglacial lake and an ancestor of present-day Lake Erie. It formed about 17,500 calendar years, or 14,000 Radiocarbon Years Before Present (RCYBP) as the Huron-Erie Lobe of the Laurentide Ice Sheet retreated at the end of the Wisconsin glaciation .
Glacial Lake Chicago at the Glenwood Shoreline. The Glenwood Shoreline is an ancient shoreline of the precursor to Lake Michigan, Lake Chicago. It is named after the town of Glenwood, Illinois. The shoreline was formed when the lake was higher during the last ice age, while ice blocked the Straits of Mackinac. After the straits were freed, the ...
Valparaiso Moraine at Mink Lake, north of Valparaiso, Indiana. The Valparaiso Moraine is a recessional moraine (a landform left by receding glaciers) that forms an immense U around the southern Lake Michigan basin in North America. It is a band of hilly terrain composed of glacial till and sand.
The clay-rich and pebble-poor till implies that existence of a glacial lake on the margin of the ice. [1] The till mixture predates the Lake Chicago beaches, of which the Glenwood Beach is the oldest and contemporary with the Lake Border Moraine along the Michigan shore.
The retreat of the ice sheet left behind a large amount of meltwater (Lake Algonquin, Lake Chicago, Glacial Lake Iroquois, and Champlain Sea) that filled up the basins that the glaciers had carved, thus creating the Great Lakes as they are today. [56] Because of the uneven nature of glacier erosion, some higher hills became Great Lakes islands ...
Icy waves struck the shoreline of Lake Michigan in Chicago, on January 31, as cold weather continued to hit Illinois and other Midwestern states.Footage taken by Samuel Wood shows an icy Lake ...
It resulted from a breach of moraines forming a large glacial lake fed by the melting of the Late Wisconsin Laurentide Ice Sheet. The point of origin of the flood was Lake Chicago. [1] The landscape south of Chicago still shows the effects of the torrent, particularly at Kankakee River State Park [2] and on the Illinois River at Starved Rock ...