Arizona · Graham County
Past Producer
Twilight and Grey Groups
Graham County, Arizona, United States
Beryllium
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USGS source ↗
Commodities
Primary
Beryllium
Commodity type
M
Economic & production
Development status
Past Producer
Identification
Deposit ID
10234439
MRDS ID
D011800
Alternate names
Twilight Group, Gray Group
Region
NA
Data score
C
Coordinates
32.66681, -109.98346
References
USGS WEBB PEAK QUADADMR V FILEMINERAL AND WATER RESOURCES OF AZ ABM BULL 180 1969 P 106MEEVES,HENRY C NONPEGMATITIC BERYLLIUM OCCURRENCES IN AZ,COLO,N,MEX,UTAH AND 4 ADJ.STATES USBM R1 6828 1966 P 57ADMR TWILIGHT AND GREY GROUP FILE