K-Ar dating of the Whipple and Buckskin Mountains regions

Geochronology, Aubrey turkey track porphyry - Miocene, basalt basaltic andesite and andesite of The Mesa (Buckskin Mountains), Buckskin Mtns. phyllite - Triassic(?) or Jurassic(?), Buckskin Mtns. rhyolite, Cienega District granite - Mesozoic(?) or Proterozoic(?),