The Uchi Subprovince is a Neoarchean volcanic sequence in Manitoba, Canada. It is at the southern margin of the North Caribou terrane and comprises a number of greenstone belts, which contains volcanic rocks that record some 280 million years of volcanism.[citation needed]
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edit50°43′44″N 95°27′36″W / 50.729°N 95.460°W
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