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The oldest Precambrian rocks in Wisconsin are late Archean quartzofeldspathic gneiss, migmatite and amphibolite up to three billion years old and igneous rock such as the granite of the Puritan Quartz Monzonite. Mafic and intermediate metavolcanic rocks together with metasedimentary rocks are found in the Ramsey Formation in Iron County and ...
Dells of the Wisconsin River. The Dells of the Wisconsin River, also called the Wisconsin Dells (from Old English “dæl”, modern English “dale”), meaning “valley”, is [1] a 5-mile (8-km) gorge on the Wisconsin River in south-central Wisconsin, USA. It is noted for its scenery, in particular for its Cambrian sandstone rock formations ...
Grandfather Falls is the highest waterfall on the Wisconsin River.The total drop is 89 feet, [1] [2] spread out in a series of cascades over about one mile. The upper third of the falls and most of the flow, except in the spring, is diverted through a canal and a series of penstocks to feed hydroelectric generators.
The Wisconsin River is a tributary of the Mississippi River in the U.S. state of Wisconsin.At approximately 430 miles (692 km) long, it is the state's longest river. The river's name was first recorded in 1673 by Jacques Marquette as "Meskousing" from his Indian guides - most likely Miami for "river running through a red place."
Wisconsinites can still visit some of the towns and cities that date back to the state's founding. Here's a list.
Rib Mountain State Park is a 1,528-acre (618 ha) Wisconsin state park near the city of Wausau.The park includes a ski resort, Granite Peak Ski Area, concession stand, picnic areas, a reservable amphitheater, a former quarry, observation tower, and 15.1 miles of trails.
The oldest dated rocks formed on Earth, as an aggregate of minerals that have not been subsequently broken down by erosion or melted, are more than 4 billion years old, formed during the Hadean Eon of Earth's geological history, and mark the start of the Archean Eon, which is defined to start with the formation of the oldest intact rocks on Earth.
The canoe was so old that, at first, no one believed its true age, researchers told local media. Ancient canoe — oldest ever found in Great Lakes — recovered in Wisconsin. ‘Invaluable’