USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Helena Mine
Source Corroborated Gold Underground 4 mapped shafts 3 mapped adits
Key facts
- State
- Arizona
- County
- Pima
- Mining district
- Helvetia-Rosemont District
- Development status
- Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Source Corroborated
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, 138-141. Arizona Bureau of Mines file data. MRDS database Dep. ID file #10039613, MRDS ID #M050493; and, Dep. ID #1…
Additional documented workings
-
Shaft
— documented in 3 source records.
USGS Historical Topographic Mine Features -
Adit
— documented in 1 source record.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 4 shaft symbols
- 3 adit symbols
- Adit : Empire Mountains , 1958
- Shaft : Empire Mountains , 1958
- Shaft : Empire Ranch , 1981
- Shaft : Empire Ranch , 1981
View individual source records (6)
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. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Producer
Commodities & minerals
Reported minerals
- Marcasite
- Pyrite
- Quartz
- Gold
- Marcasite
- Native Gold
- Pyrite
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 shaft symbols (4)
- mapped adit symbols (3)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 57469
Supports:
- locality identity
- reported minerals (3)
A Mindat locality match does not by itself establish underground workings.
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