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Canada The Munising Group or Formation is a 1,700 feet (520 m) thick, white to light grey [ 1 ] Cambrian sedimentary unit that crops out in Michigan and (to a lesser extent) Ontario . At one end of its extent, it comprises a basal conglomerate overlain by the Chapel Rock Member and the Miners Castle Member; elsewhere, it comprises the Eau ...
Many of Canada's major ore deposits are associated with greenstone belts. [ 15 ] The Sturgeon Lake Caldera in Kenora District , Ontario, is one of the world's best preserved mineralized Neoarchean caldera complexes, which is 2.7 Ga. [ 16 ] The Canadian Shield also contains the Mackenzie dike swarm , which is the largest dike swarm known on ...
Gagnon, Quebec, an iron mining company town of Québec Cartier Mining Company, abandoned in 1985. This is a list of current and former company towns in Canada. True company towns are those "closed communities owned and administered by the industrial employer". [1]
The Red River is about 885 kilometres (550 mi) long, [2] of which about 635 kilometres (395 mi) are in the United States and about 255 kilometres (158 mi) are in Canada. [3] The river falls 70 metres (230 ft) on its trip to Lake Winnipeg, where it spreads into the vast deltaic wetland known as Netley Marsh.
This list includes European countries and regions that were part of the Roman Empire, or that were given Latin place names in historical references.As a large portion of the latter were only created during the Middle Ages, often based on scholarly etiology, this is not to be confused with a list of the actual names modern regions and settlements bore during the classical era.
The divisions of regional geology are drawn in different ways, but are usually outlined by a common geologic history, geographic vicinity or political boundaries. The regional geology of North America usually encompasses the geographic regions of Alaska, Canada, Greenland, the continental United States, Mexico, Central America, and the ...
The Gogebic Range is an elongated area of iron ore deposits located within a range of hills in northern Michigan and Wisconsin just south of Lake Superior. It extends from Lake Namakagon in Wisconsin eastward to Lake Gogebic in Michigan, or almost 80 miles. Though long, it is only about a half mile wide and forms a crescent concave to the ...