Radiometric age dating, App. 2Q, in Palo Verde Nuclear Generating Station Units 1, 2 & 3, Preliminary Safety Analysis Report, v. VIII

Geochronology, [Gila Bend basalt][basalt of Woolsey Cone] - Miocene/Pliocene, [Arlington basalt][basalt of Arlington Cone] - Pliocene/Pleistocene, [Gillespie basalt][Gillespie Dam basalt][basalt of Gillespie Cone] (Arlington Valley), [Woolsey Peak volcanics][basalt of Woolsey Wash] - Oligocene, Palo Verde volcanics - Miocene,