Skip to main content
Improved Geologic Map of Arizona Online Map Service
AZGS launched an enhanced enhanced and improved online geologic map of Arizona.
Organ Pipe Cactus National Monument established 13 April 1937
Recent AZGS publications focusing on the geology of the Organ Pipe Cactus National Monument.
Geology & Geochronology of four 7.5' quadrangles straddling the southern border of AZ - CA
New Contributed Report on the geology and geochronology of four 7.5’ quadrangles in SW Arizona and SE California.
The Orocopia Schist Subduction Channel at Cemetery Ridge, Southwest Arizona
The Orocopia Schist exposed at Cemetery Ridge, western Arizona.
AZGS Online Resources for Educators & Others
Free online resources served by the Arizona Geological Survey.
Geologic Strip Map from Kingman to Bill Williams - Online
Geologic strip map from Kingman to Bill Williams Mountain, Arizona.
New Geologic Bedrock Map of Oceanic Peridotite at Cemetery Ridge, southwest Arizona
New geologic map of rare oceanic peridotite exposure at Cemetery Ridge in southwestern Arizona by Jon Spencer and Gordon Haxel.
NEW geologic maps February 2021
We just finalized and released seven (7) digital geologic maps.
Subscribe to Map & Geodatabase Services