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  3. Mineral Resource Data System (MRDS)

Helena Mine

Producer in Pima county in Arizona, United States with commodity Gold
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10039613
MRDS ID M050493
Record type Site
Current site name Helena Mine
Related records 10162153

Geographic coordinates

Geographic coordinates: -110.70846, 31.87374 (WGS84)
Elevation 1402
Relative position 5 MI. ENE OF HELVETIA 1.5 MI. SE OF MT. FAGAN.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Empire Ranch(quadrangle 1:24,000 scale)

Fort Huachuca(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rillito(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Coronado National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 18S 16E 16 Arizona

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • ORE WELL OXIDIZED. AU ABOUT 10 OZ. PER TON.

Materials information

Materials Type of material
Gold Ore
Marcasite Gangue
Pyrite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -110.70846, 31.87374
ListMap

Economic information

Ore body information

  • General form TABULAR
    Dip 40 TO 60 W.
    Plunge direction N
    Width 2.13M

Comments on the geologic information

  • GEOL.DESC: RHYOLITE IS MINERALIZED.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Helvetia-Rosemont District

Land status

Ownership category National Forest

Comments on the production information

  • PRODUCTION UNKNOWN.

Workings at the site

  • Type of workings Underground
    Length 152.4M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 500 FT. OF TUNNELS, SHAFTS, INCLINES. MAIN DRIFT IS 250 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1972 Bergquist, Joel R. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Maps centered on this site

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.