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Autumn in the Driftless Area of Cross Plains, Wisconsin. The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographic and cultural region in the Midwestern United States [1] that comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois.
Ocooch Mountains are a place name for the Western Upland area of Wisconsin also known as the Driftless Region, meaning un-glaciated, lacking glacial drift or the Paleozoic Plateau, referring to a geologic era, Greek for "ancient life". The lack of glaciated terrain accounts for high hills, bluffs, and ridges.
Paleozoic rocks in eastern Wisconsin today make up the Niagara Escarpment, a shelf of rock extending from Door County to Horicon Marsh. The cliffs along the escarpment are primarily formed by the early Silurian Mayville Dolostone; the rocks that make up the escarpment were deposited within the Michigan Basin. Continued subsidence of this basin ...
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.
The Wisconsin glaciation formed the Wisconsin Dells, Devil's Lake, and the Kettle Moraine. A number of areas are protected in the state, including Devil's Lake State Park, the Apostle Islands National Lakeshore, and the Chequamegon–Nicolet National Forest. Wisconsin has a humid continental climate across the entire state, with four distinct ...
Based on the large size of the sand volcanoes, the quake must have been at least a 7 or an 8 magnitude — approaching the size of the Great 1906 San Francisco earthquake.
Their work will give modelers a sharper view of the possible impacts of a megathrust earthquake there — the term for a quake that occurs in a subduction zone, where one tectonic plate is thrust ...
A magnitude 2.5 earthquake was detected in the Crandon area in northern Wisconsin Sunday morning, according to the U.S. Geological Survey. The earthquake hit 4 kilometers, or about two and a half ...