A Multi-Age, U-Pb and 40Ar/39Ar Approach to the Calibration of Fish Canyon Tuff Sanidine as a Flux Monitor
M. E. Villeneuve, H. A. Sandeman, W. J. Davis, J. K. Mortensen, A. Dazé and J. K. W. Lee
Geological Survey of Canada, 601 Booth St., Ottawa, Ontario, K1A 0E8, Canada
University of British Columbia, Vancouver, B.C., Canada
Queens University, Kingston, Ontario K7L 3N6, Canada