Skip to main content
Evaluating Arizona’s geologic setting, mineral resources, and geologic hazards.
Bell Copper’s Perseverance Copper Porphyry Project – K-20 drill hole
Minerals & Mining
22 May 2019
Assay results from Bell Copper's K-20 drill hole, Perseverance Project, Kingman, Arizona
Living Superior, Arizona: The life and times of a copper mining town from 1930 to 1950
Arizona Mining Review
10 August 2018
The life and times of a mining town, Superior, Arizona, during the Great Depression, WW II and post-War years.
Subscribe to porphyry copper