TY - RPRT TI - The Stanford-U.S. Geological Survey SHRIMP ion microprobe--a tool for micro-scale chemical and isotopic analysis AU - Charles R. Bacon AU - Marty Grove AU - Jorge A. Vazquez AU - Matthew A. Coble PY - 2012 DO - 10.3133/fs20123067 UR - https://pubs.usgs.gov/publication/fs20123067 ID - fs20123067 ER -