TY - RPRT TI - River Valley pluton, Ontario: A late-Archean/early-Proterozoic anorthositic intrusion in the Grenville Province AU - L.D. Ashwal AU - J. L. Wooden PY - 1989 DO - 10.1016/0016-7037(89)90006-9 UR - https://pubs.usgs.gov/publication/70015696 ID - 70015696 ER -