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Iron Oxides

 General Geology

The rocks of the Bisbee Quadrangle consist of a basement of Precambrian quartz sericite schist overlain by 1,600 to 2,000 meters......


Bisbee Cave

Forgotten Caves

Hundreds of caves were found while mining the rich oxide copper ores in Bisbee. Often these openings were beautiful beyond description....

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Geology map Bisbee

Geology Map

General geology map of the Warren Mining District


Geology gallery

Geology Gallery

Image of important and interesting geological features in the Warren mining District


Bisbee through geological time

This section is  look at Bisbee's  paleo climate and environmental changes through geological time. This is meant for  middle school age  level.

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