The Nagssugtoqidian orogeny was a late Paleoproterozoic mountain-building event that affected Greenland during the period 1.91 to 1.77 Ga. The orogenic belt formed during this event marks the northern boundary of the mainly Archaean North Atlantic Craton.
The Nagssugtoqidian orogeny was a late Paleoproterozoic mountain-building event that affected Greenland during the period 1.91 to 1.77 Ga. The orogenic belt formed during this event marks the northern boundary of the mainly Archaean North Atlantic Craton.
Source: Wikipedia "Nagssugtoqidian orogeny" · CC BY-SA 4.0
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