Arizona · Pima County
Past Producer
Broad Top Mine
Pima County, Arizona, United States
Copper
Silver
Gold
Tungsten
Molybdenum
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USGS source ↗
Commodities
Primary
Copper, Silver
Secondary
Gold, Tungsten, Molybdenum
Commodity type
M
Deposit
Deposit size
S
Orebody form
IRREGULAR
Ore control
Fault Zone Near Contact Of Sediments And Porphyry
Materials
Ore minerals
Chalcopyrite, Gold, Malachite, Molybdenite, Pyrite, Scheelite, Silver
Geology
Host rock
Quartzite
Associated rock
Quartz Latite
Structure
Strongly Brecciated Fault Zone
Alteration
Oxidized, Silication Of Limestone
Economic & production
Development status
Past Producer
First production
1956
Last production
1959
Identification
Deposit ID
10039628
MRDS ID
M050524
Alternate names
Alta Copper
Region
NA
Data score
B
Coordinates
31.85152, -110.75818
References
KEITH, 1974, ABM BULL 189, P. 124.CORNWALL, H.R., 1973, FIELD EXAM (?).CIMRIKEITH, 1974.