The Bird River greenstone belt is an
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References
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Greenstone belt — Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean and Proterozoic cratons between granite and gneiss bodies. The name comes from the green hue… … Wikipedia
Nuvvuagittuq greenstone belt — An outcrop of metamorphosed volcanosedimentary rocks at Porpoise Cove. Nuvvuagittuq greenstone belt, also called the Porpoise Cove greenstone belt, is a greenstone belt on the eastern shore of Hudson Bay in northern Quebec, Canada. With an age of … Wikipedia
Neys Provincial Park — IUCN Category II (National Park) Location … Wikipedia
Tanco-Mine — Abbau von Pollucit und Abbau von Spodumen und Abbau von Wodginit Betriebsbeginn 1969 … Deutsch Wikipedia
Superior craton — in the west. The western margin extends from northern Minnesota through eastern Manitoba to northwestern Ontario.The formation of the Superior craton is best explained within the context of 2.72 2.68 Ga accretion of small continental plates and… … Wikipedia
Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… … Universalium
North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… … Universalium
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Geography of Saskatchewan — Country geography name = Saskatchewan continent = America region = North America Western Canada coordinates = coord|49|00|00|N|101|21|41|W|region:CA coord|60|00|N|110|00|W|region:CA area|ranking = 7th among provinces km area = 651900 area ref = [ … Wikipedia
History of the Earth — For the history of modern humans, see History of the world. Geological time put in a diagram called a geological clock, showing the relative lengths of the eons of the Earth s history The history of the Earth describes the most important events… … Wikipedia
