TY - RPRT TI - Isotopic evidence bearing on Late Triassic extinction events, Queen Charlotte Islands, British Columbia, and implications for the duration and cause of the Triassic/Jurassic mass extinction AU - P.D. Ward AU - G.H. Garrison AU - J.W. Haggart AU - D.A. Kring AU - M.J. Beattie PY - 2004 DO - 10.1016/j.epsl.2004.04.034 UR - https://pubs.usgs.gov/publication/70026796 ID - 70026796 ER -