USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Golden Gate Group
Source Corroborated Gold Mixed Underground / Surface 6 mapped adits
Key facts
- State
- Arizona
- County
- Pima
- Mining district
- Helvetia-Rosemont District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Source Corroborated
Also known as
- Golden Gate Mine Group, Coronado Nf, Part 12, Santa Rita Mt, U S Grant, Golden Gate Mine, Amerco Mine, Gold, Fish Mine, Lexington Mine., Unit, Az, Usbm Ofr Mla 11-94., Arrastra Mine Group ?.
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 92, 128, 132. Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 50. Heatwole, D.A. (1966) Geology of the Box…
Additional documented workings
-
Adit
— documented in 2 source records.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 6 adit symbols
- Adit : Helvetia , 1981
- Adit : Sahuarita , 1958
View individual source records (4)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field. -
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
- Derived from MRDS oper_type (existing operation): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_type
Verification
Source Corroborated
Additional historical source evidence corroborates this record. This is not a member field verification of current conditions.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Arizona Mining And Refining Co · Historical operator · 1969
- Nail · Historical operator
Commodities & minerals
Reported minerals
- Anglesite
- Azurite
- Calcite
- Cerussite
- Chalcopyrite
- Covellite
- Galena
- Goethite
View all 16 reported minerals
- Anglesite
- Azurite
- Calcite
- Cerussite
- Chalcopyrite
- Covellite
- Galena
- Goethite
- Hematite
- Hydrozincite
- Limonite
- Malachite
- Native Gold
- Pyrite
- Quartz
- Willemite
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
USGS Historical Topographic Mine Features
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
- mapped adit symbols (6)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 36118
Supports:
- locality identity
- reported minerals (16)
A Mindat locality match does not by itself establish underground workings.
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