TY - RPRT TI - Cambrian-Ordovician (500 Ma) alkalic plutonism in southwestern New Mexico: U-Th-Pb isotopic data from the Florida Mountains AU - Karl V. Evans AU - R. E. Clemons PY - 1988 DO - 10.2475/ajs.288.7.735 UR - https://pubs.usgs.gov/publication/70013240 ID - 70013240 ER -