Utsailk Domain
The Utsailk domain is made up of pyroxene and hornblende-bearing Leaf River plutons with consistent 2.725-2.723 Ga ages and local inheritance of 2.82 and 2.77 Ga. However, the southern extension of Utsalik domain contains pyroxene-bearing granodiorites both older (2.762 Ga) and younger (2.692 Ga) than the Leaf River suite. (Percival et al., 2001).
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