Timescales of Crustal Cooling of the Superior Craton near Attawapiskat, Ontario, Canada, and Implications for Extent of Keweenawan Plume Heating.

Graham Harper Edwards, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, Terrence Blackburn, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, United States and Karen Smit, Gemological Institute of America, Carlsbad, CA, United States