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Schematic of the Mackenzie and Ogilvie Mountains, Canada. U-Pb ages are from ref. 4 and Re-Os ages are from this work. Congl., conglomerate; Cryo., Cryogenian; Cu-cap, Coppercap Formation; Gp., Group; IB, Ice Brook Formation; Lk, Lake; Mt., Mount; Rav., Ravensthroat formation; Reefal A., Reefal Assemblage; Thund., Thundercloud Formation.
