©2013 Society of Economic Geologists, Inc. Economic Geology, v. 108, pp. 895–907 AGE OF THE BIRD RIVER...SOUTHEASTERN MANITOBA, CANADA, WITH IMPLICATIONS FOR THE SECULAR VARIATION OF LAYERED INTRUSION-HOSTED...INTRUSION-HOSTED STRATIFORM CHROMITE MINERALIZATION JAMES S. SCOATES1,† AND R. F. JON SCOATES2 1 Pacific Centre for...Geochemical Research, Department of Earth, Ocean, and Atmospheric Sciences, University of British Columbia, 6339...Vancouver, BC V6T-1Z4, Canada 2 2502 Holyrood Drive, Nanaimo, BC V9S-4K9, Canada Abstract The Archean |