TY - RPRT TI - Age and thermal history of the Geysers plutonic complex (felsite unit), Geysers geothermal field, California: A 40Ar/39Ar and U-Pb study AU - G. B. Dalrymple AU - M. Grove AU - O.M. Lovera AU - T.M. Harrison AU - J. B. Hulen AU - M. A. Lanphere PY - 1999 DO - 10.1016/s0012-821x(99)00223-x UR - https://pubs.usgs.gov/publication/70021236 ID - 70021236 ER -