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Geology of Wisconsin. The geology of Wisconsin includes Precambrian crystalline basement rock over three billion years old. A widespread marine environment during the Paleozoic flooded the region, depositing sedimentary rocks which cover most of the center and south of the state. [1]
A general map of Wisconsin. Wisconsin, a state in the Midwestern United States, has a vast and diverse geography famous for its landforms created by glaciers during the Wisconsin glaciation 17,000 years ago. The state can be generally divided into five geographic regions—Lake Superior Lowland, Northern Highland, Central Plain, Eastern Ridges ...
The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographical and cultural region in the Midwestern United States [1] that comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. The Driftless Area is a USDA Level III Ecoregion: Ecoregion 52.
Each differs from the others in roughness or smoothness of topography, infertility or sterility of soil, in climate, in adaptation to occupation by wild plants (including forests), by cultivated plants (including crops and orchards), by animals, and by man, as well as in the extent to which men have developed such resources during the march of ...
The red dots show larger-magnitude earthquakes in Minnesota, Wisconsin, Michigan's Upper Peninsula and southern Ontario. The earthquake near Minnesota's western "bulge" is the Morris earthquake. This map and table shows where Minnesota's earthquakes have occurred. Earthquakes 1, 6, 9, 11, 15 and 18 are in the Great Lakes tectonic zone.
The Northern Highland is a geographical region in the north central United States covering much of the northern territory of the state of Wisconsin. The region stretches from the state border with Minnesota in the west to the Michigan border in the east, and from Douglas and Bayfield Counties in the north to Wood and Portage Counties in the south.
N. H. Winchell (1874) The Jordan Formation (also classified as the Jordan Sandstone or the Jordan Member of the Trempealeau Formation) is a siliciclastic sedimentary rock unit identified in Illinois, Michigan, Wisconsin, Minnesota, and Iowa. [1][2] Named for distinctive outcrops in the Minnesota River Valley near the town of Jordan, it extends ...
[2] [3] He made maps of the area and published numerous books on the archaeology, biology, and geology of the region, and discovered both the Panther Intaglio Effigy Mound and Milwaukee Formation. He founded the Wisconsin Natural History Association, and served as the state's Chief Geologist for two years.