Skip to main content

Unconformity along AZ 82 near Sonoita, Arizona

Unconformity along AZ 82 near Sonoita, Arizona

Traveling south on AZ 82 between Sonoita and Patagonia, there are marvelous outcrops of conglomerate (alluvial fan deposits) unconformably resting on fine-grained, basin(?) deposits. Age from the Geologic Map of Arizona Late Pliocene to Pleistocene.

Photographer: Mike Conway

Photo Date: June 2018

Latitude: 31.6056055556

Longitude: -110.721802778