Pre- and post-kimberlite emplacement thermal history of Cretaceous and Tertiary sediments, Lac de Gras, Northwest Territories, Canada - Stasiuk, L.D.; Sweet, A.R.; Issler, D.R.; Kivi, K.; Lockhart, G.D.; Dyck, D.R. (International Kimberlite Conference: Extended Abstracts, 2003)