Nuvvuagittuq Greenstone Belt
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The rocks
Nuvvuagittuq Greenstone Belt is a series of rock formations in Northern Canada, on the eastern shore of the Hudson Bay. They may be up to 4.4 billion years old. The belt is one of the oldest rock formations on Earth, but there is dispute about its actual age. 3,770 million years ago is accepted by others.[1] The rocks have been metamorphosed by later geological events.
Nuvvuagittuq Greenstone Belt Media
- Nuvvuagittuq Map White.png
The location of the NGB shown in red
An outcrop of metamorphosed rock from Nuvvuagittuq
- Garnet paragneiss Nuvvuagittuq Greenstone Belt, 4.28 Ga.jpg
Garnet in "faux-amphibolite", Nuvvuagittuq Greenstone Belt
- Porpoise Cove (Nuvvuagittuq) banded iron formation, northern Quebec, metamorphosed 3.8 billion years ago, magnetite and quartz - Redpath Museum - McGill University - Montreal, Canada - DSC07889.jpg
Banded iron formation found in Porpoise Cove (Nuvvuagittuq), now in Montreal,Canada
References
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