Arizona Geological Survey: Grand Canyon Stratigraphy
The University of Arizona, Arizona Geological Survey

Scholars and students of Grand Canyon geology will find that this fresh stratigraphic section nicely complements the many excellent treatises (e.g., Billingsley, 2000; Beus & Morales, 2002) and popular geology maps and texts on the Canyon.

Arizona Geological Survey: Geologic Database
University of Arizona, Arizona Geological Survey

Arizona Geological Survey produce geologic maps and reports to support natural resource use and natural hazard assessment.

Arizona Geological Survey: Mining in Arizona
The University of Arizona, Arizona Geological Survey

Arizona is a major producer of non-fuel minerals. The future of Arizona mining rests on the following fact: each American uses more than 45,000 pounds of newly mined minerals annually!

Arizona Geological Survey: King Copper
The University of Arizona, Arizona Geological Survey

Copper remains Arizona’s most abundant and valuable metallic mineral product.

Arizona Geological Survey: Gold Prospecting
The University of Arizona, Arizona Geological Survey

Over the past century, Arizona geologists documented gold lode and placer mining deposits throughout the State.

Arizona Geological Survey: Industrial Minerals
The University of Arizona, Arizona Geological Survey

Of the more than 300 active mines in Arizona in 2016, most involve quarrying industrial minerals.

Arizona Geological Survey: Mineral Rights
The University of Arizona, Arizona Geological Survey

Mineral rights can be obtained on State or Federal lands that are open to mineral entry.

Arizona Geological Survey: Mining Scams
The University of Arizona, Arizona Geological Survey

Money can be made in mining but we have a responsibility to urge the public to exercise prudence in its investment.

Arizona Geological Survey: Potash Case Study
The University of Arizona, Arizona Geological Survey

A study by the Arizona Geological Survey (AZGS) describes the size and distribution of a large potash deposit in the Holbrook Basin of east-central Arizona

Arizona Geological Survey: Ask a Geologist
The University of Arizona, Arizona Geological Survey

Do you have questions about the minerals, rocks, valleys, canyons, mountains, rivers, volcanoes, earthquakes, earth fissures, landslides, or natural hazards of Arizona?

Arizona Geological Survey: Center for Natural Hazards
The University of Arizona, Arizona Geological Survey

Natural hazards abound in Arizona. At the top of list: flash floods, severe weather, landslides and debris flows, earthquakes, and earth fissures.

Arizona Geological Survey: Karst in Arizona
The University of Arizona, Arizona Geological Survey

Karst features and landscapes occur where rocks prone to dissolution by weakly acidic natural waters occur at Earth’s surface or in the shallow subsurface.