Search results
Results from the WOW.Com Content Network
This list of the Paleozoic life of Wisconsin contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wisconsin and are between 538.8 and 252.17 million years of age.
Paleontology in Wisconsin refers to paleontological research occurring within or conducted by people from the U.S. state of Wisconsin. The state has fossils from the Precambrian , much of the Paleozoic , some parts of the Mesozoic and the later part of the Cenozoic .
Unmetamorphosed sedimentary rocks are found in the rock record from the Cambrian, in the early Paleozoic.The feldspathic quartz sandstone and orthoquartz sandstone of Chequamegon, Devils Island and Orienta formations make up the Bayfield Group which underlies the entire Lake Superior shoreline of the state from Chequamecon Bay to the St. Louis River in the west.
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.
This list of the prehistoric life of Wisconsin contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wisconsin. Precambrian [ edit ]
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
The earliest references to strata now referred to as Jordan were made by many of the pioneering geologists of the upper Midwest. In an 1852 report on the geology of Wisconsin, Iowa, and Minnesota, D. D. Owen assigned it to the uppermost part of his “Lower Sandstone” (the “Upper Sandstone” referring to what is now called the St. Peter). [8]
Glacial Lake Wisconsin 20,000 years ago with modern counties for geographical context. Glacial Lake Wisconsin was a prehistoric proglacial lake that existed from approximately 18,000 to 14,000 years ago, at the end of the last ice age, in the central part of present-day Wisconsin in the United States.