#abitibi_greenstone_belt
Abitibi greenstone belt
Gtenstone belt that spans across the Ontario–Quebec border in Canada
The Abitibi greenstone belt is a 2,800-to-2,600-million-year-old greenstone belt that spans across the Ontario–Quebec border in Canada. It is mostly made of volcanic rocks, but also includes ultramafic rocks, mafic intrusions, granitoid rocks, and early and middle Precambrian sediments.
Thu 2nd
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