TY - RPRT TI - The timing of ore formation in southeast Missouri: Rb-Sr glauconite dating at the Magmont mine, Viburnum trend AU - H. J. Stein AU - S.A. Kish PY - 1985 DO - 10.2113/gsecongeo.80.3.739 UR - https://pubs.usgs.gov/publication/70013118 ID - 70013118 ER -