La Paloma pluton
La Paloma pluton
Late Jurassic, ~149 Ma
A small body west of the Bear Mountains fault, intrudes the Gopher Ridge Volcanics (unit CWGR) in the southern part of the Cosumnes terrane. Biotite leucotonalite, little deformed. This pluton has a zircon U-Pb age of ~149 Ma (Saleeby and others, 1989a)