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The oldest rocks on Earth
The Nuvvuagittuq Greenstone Belt in northern Quebec ... according to the educational platform Open Geology. Gneiss is a type of metamorphic rock that has been subjected to high temperatures ...
The Nuvvuagittuq Greenstone Belt near Inukjuak may well be the oldest accessible volcanic rock formation on Earth, but increased scientific interest in the region is causing irreparable damage to ...