TY - RPRT TI - Electron microprobe evaluation of terrestrial basalts for whole-rock K-Ar dating AU - E. A. Mankinen AU - G. Brent Dalrymple PY - 1972 DO - 10.1016/0012-821x(72)90262-2 UR - https://pubs.usgs.gov/publication/70010282 ID - 70010282 ER -