TY - RPRT TI - Effects of weathering on the UPb ages of zircon from the Morton Gneiss, Minnesota AU - T. W. Stern AU - S. S. Goldich AU - M. F. Newell PY - 1966 DO - 10.1016/0012-821x(66)90028-8 UR - https://pubs.usgs.gov/publication/70010759 ID - 70010759 ER -