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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.
Where the Wisconsin River turns west to join the Mississippi, the area to the south, including the whole of Grant County as well as most of Lafayette County, are part of the Driftless Area. The rugged terrain comprising most of the Driftless Area is distinct from the rest of Wisconsin, and is known locally as the Coulee Region. The steep ridges ...
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 ...
A map showing the area, labeled here as "Kettle Range" Kettle Moraine is a large moraine in the state of Wisconsin, United States. It stretches from Walworth County in the south to Kewaunee County in the north. It has also been referred to as the Kettle Range and, in geological texts, as the Kettle Interlobate Moraine.
Baraboo Range in winter Looking east down the range on Wisconsin Highway 78. The Baraboo Range is a mountain range in Columbia County and Sauk County, Wisconsin. Geologically, it is a syncline fold consisting of highly eroded Precambrian metamorphic rock. It is about 25 miles (40 km) long and varies from 5 to 10 miles (16 km) in width.
Wisconsin Department of Natural Resources Two Creeks Buried Forest State Natural Area is a site in the Wisconsin State Natural Areas Program and a unit of the Ice Age National Scientific Reserve . The site lies in the northeast corner of Manitowoc County on the shore of Lake Michigan north of Two Creeks, Wisconsin , USA.
Professor Lawrence Martin created a schema for dividing Wisconsin into geographical regions in his work "The Physical Geography of Wisconsin". [1] [2] Western Upland; Eastern Ridges and Lowlands; Central Plain; Northern Highland; Lake Superior Lowland; Three of these geographical provinces are uplands and two are lowlands.
The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long geological rift in the center of the North American continent and south-central part of the North American plate. It formed when the continent's core, the North American craton , began to split apart during the Mesoproterozoic era of the Precambrian , about 1.1 ...