Basalt lavas at Sears Point are products of the Plio-Pleistocene Sentinel-Arlington volcanic field of south-central Arizona. Rock-art elements are abundant on basalt promontories overlooking the Gila River. Photo provided by photographer R. Scott Jones.
Photographer: R. Scott Jones
Photo Date: 2015
Photo Location Accuracy: Known Location
Photo Tags: postcard, Sears Point, rock art, Sentinel volcanic field, Plio-Pleistocene 
