San Andres Mine

Producer in Copan, Honduras with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10086106
MRDS ID W702023
Record type Site
Current site name San Andres Mine
Alternate or previous names Twin Hills Zone, Water Tank Zone, Santa Rosa De Potosi, Copan Group

Geographic coordinates

Geographic coordinates: -88.94477, 14.76641 (WGS84)
Elevation 1067
Relative position 12 MI SW OF SANTA ROSA DE COPAN

Site location context

Political divisions (FIPS codes)

Copan(province)

Honduras(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Honduras Copan

Comments on the location information

  • ON W SLOPE OF CERRO MAGDALENA

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

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

Analytical data

Result 96% AU RECOVERY 1 LB/TON CYANIDE

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -88.94477, 14.76641

Economic information

Ore body information

  • Strike N-S
    Dip 45E
    Thickness 15.24M
    Length 243.84M
    Width 91.44M

Comments on the geologic information

  • RHYOLITE IS IN FAULT CONTACT WITH MICA SCHIST.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Ownership information

  • Type Operator
    Owner An English Co.
    First year 1920
  • Type Operator
    Owner Nater, R. , Bueso, M. And Associated
    First year 1930
  • Type Owner
    Owner Gould Co., W. H.
    First year 1946
  • Type Owner
    Owner Greenstone Resources
    Interest 71
    First year 1994

Comments on the production information

  • PRODUCED 100 TONNES PER DAY OF MINERAL

Comments on the reserve resource information

  • *193,253 TONNES
  • ORE (1) AND AU (1) FROM TWIN HILLS ZONE; ORE (2) AND AU (2) FROM WATER TANK ZONE OF WHICH 75% IN PROVEN OR PROBABLE.

Comments on the workings information

  • OPEN PIT - CURRENTLY. UNDERGROUND MINE - CIRCA 1936.

Comments on development

  • FOR DEVELOPMENT AND/OR EXPLORATION. $200,000 EXPLORATION 1936. MILL INSTALLED IN 1947. ORE SAID TO AVERAGE $14/TON (E.G. SQUIEN), $7.50/TON AU (A.F. KEENE), EARNINGS $2.40/TON TREATED ORE (ESTIMATE), AND 82% RECOVERY BY AMALGAMATION.

Reference information

Bibliographic references

  • Deposit

    EXPEDIENTE LEGAL N. 236, DGMH.

  • Deposit

    ELVIR R., 1983, M. Y P. DE HONDURAS, SECPLAN.

  • Deposit

    05-08-88, MINING JOURNAL.

  • Deposit

    NATER, R., 1936: SAN ANDREAS MINE UNPUBLISHED REPORT.

  • Deposit

    PEARCE, KINGSTON, AND BROWN, 1912, UNPUBLISHED REPORT.

  • Deposit

    T.A.I.M.E., 1891, V. 20.

  • Deposit

    SQUIER, E.G., 1870, HONDURAS, P. 118.

  • Deposit

    MCKINLAY, W.B., 1920, MINING DEPARTMENT SUMMARY.

  • Deposit

    ANON., 1995, GREENSTONE UPS GOLD RESOURCES: THE NORTHERN MINER, MARCH 13, 1995, V. 81, NO. 2, P. 1.

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit 3-7 M WIDE, 300 M UNDERGROUND LENGTH, CROSSCUTS TO 4 M LENGTH. 10-50 FT THICK.
Deposit CONTAINS INFORMATION FROM TC01290 THAT WAS DELETED FROM THE MASTER FILE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1992 Pierce, Herbert A. U.S. Geological Survey
Updater 01-APR-1995 Page, Norman J. (Bliss, James D. (Translator)) U.S. Geological Survey

Beyond USGS

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