Bloody Run pluton
Bloody Run pluton
Middle Jurassic, ~165 Ma
Diorite and granodiorite, small body intrudes Clipper Gap Formation (unit YACG) and metavolcanic member of Slate Creek complex (unit YSSCv) across the Slate Creek thrust east of New Bullards Bar Reservoir between the Middle and South Yuba Rivers. No zircon U-Pb data, age based on hornblende Ar-Ar (Hacker, 1993), which is likely a minimum age.