St. Helena Mine

Past Producer in Grant county in New Mexico, United States with commodities Gold, Lead
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. Geologic structures
  11. Economic information about the deposit and operations
  12. Mining district
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10014787
MRDS ID D011725
Record type Site
Current site name St. Helena Mine

Geographic coordinates

Geographic coordinates: -108.15061, 32.77094 (WGS84)

Site location context

Political divisions (FIPS codes)

Grant(county)

New Mexico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fort Bayard(quadrangle 1:24,000 scale)

Silver City(quadrangle 1:100,000 scale)

Silver City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Mimbres(hydrologic unit)

Mimbres(hydrologic accounting unit)

Rio Grande-Mimbres(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States New Mexico Grant

Public Land Survey System information

Meridian Township Range Section Fraction State
018S 013W 01 NW4 New Mexico

Commodities

Commodity Importance
Gold Primary
Lead Tertiary

Materials information

Materials Type of material
Galena Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -108.15061, 32.77094

Economic information

Geologic structures

Type of structure Local
Structure description St. Helena Vein System

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1887
Year of first production 1887
Year of last production 1935

Mining district

District name Central District (Bayard District)

Comments on the production information

  • SOME PRODUCTION BUT OPERATIONS NOT SUCCESSFUL. SOME ORE YIELDED AS MUCH AS 274 G/T AU; AVERAGE YIELD WAS ABOUT 17 G/T AU.

Workings at the site

  • Type of workings Underground
    Overall depth 60M

Comments on the workings information

  • TWO SHAFTS, 60 M. AND 33 M. DEEP

Comments on development

  • MINED INTERMITTANTLY BETWEEN 1887 AND 1935. STAMP MILL ERECTED IN 1926.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEINS ALONG THE NNW-TRENDING ST. HELENA VEIN SYSTEM IN A CRETACEOUS QUARTZ DIORITE SILL

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1984 Seanor, Clint E. (Worl, Ron) U.S. Geological Survey

Beyond USGS

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