The geology of Nunavut began to form nearly three billion years ago in the Archean and the territory preserves some of the world's oldest rock units. == Geologic history, stratigraphy and tectonics == === Archean === Archean rocks dominate much of the territory's surface and places with overlying rock.
The geology of Nunavut began to form nearly three billion years ago in the Archean and the territory preserves some of the world's oldest rock units. == Geologic history, stratigraphy and tectonics == === Archean === Archean rocks dominate much of the territory's surface and places with overlying rock.
Source: Wikipedia "Geology of Nunavut" · CC BY-SA 4.0
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