Major Tectonometamorphic Intervals
- 2.69 Ga: deformation in the northern Hearne Domain.
- 2.685 Ga: greenschist-grade metamorphism and deformation in the central Hearne Domain.
- 2.60 Ga: granitoid plutonism across the northern Hearne and Rae Domains.
- 2.50-2.55 Ga: metamorphism and deformation in the northern Hearne domain.
- 1.9 Ga: metamorphism and deformation in the northern Hearne Domain.
- 1.83 Ga: magmatism and deformation in the northern Hearne and Rai Domains.
- 1.755 Ga: plutonism in the western Hearne and eastern Rae Domains. (Sandeman, 2001)
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