TY - RPRT TI - Petrology and geochronology of 1.48 to 1.45 Ga igneous rocks in the St. Francois Mountains terrane, southeast Missouri AU - Edward A. du Bray AU - John N. Aleinikoff AU - Warren C. Day AU - Leonid A. Neymark AU - Seth D. Burgess PY - 2021 DO - 10.3133/pp1866 UR - https://pubs.usgs.gov/publication/pp1866 ID - pp1866 ER -