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Guadalupana Mine

Past Producer in Guanajuato, Mexico with commodity Mercury
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Production statistics
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10098790
MRDS ID MX10000
Record type Site
Current site name Guadalupana Mine

Geographic coordinates

Geographic coordinates: -100.50036, 20.91723 (WGS84)
Relative position IN HILLY COUNTRY 12 KM SW OF OBREGON

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Guanajuato

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Rhyolite May Be Altered Or Replaced By Opaline Quartz Or Clay

Analytical data

Result NUMERICAL AVERAGE OF ASSAYS WAS 0.0457% OR 0.457 KG. THIS WAS ALSO THE APPROXIMATE AVERAGE PER TON. (CORRECTED TO 1.2 KG/T IN NOTE ATTACHED TO ASSAY).

Host and associated rocks

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

Nearby scientific data

(1) -100.50036, 20.91723
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults, Not Mapped

Ore body information

  • Strike NS
    Dip 20E

Controls for ore emplacement

  • Fractured Zones And More Altered Or Ashy Beds. Possible Fault Control.

Comments on the geologic information

  • SOME PARTS OF THE RHYOLITE ARE ASHY, OTHERS CONGLOMERATIC

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Production statistics

  • Year 1942
    Material HG
    Accuracy Estimate
    Description Ap_Grade: ^2.5 Kg/T
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Mercury Mercury 2500g/mt

Comments on the reserve resource information

  • DUMPS CONTAIN 10,000 T OF 1.5 KG/T ORE. GRADE WOULD BE IMPROVED BY SCREENING.

Comments on the workings information

  • TUNNELS START ON EAST SIDE OF CREEKBED AND EXTEND DOWN INWARDS . EXISTING FURNACES PRODUCED 90% RECOVERY IN THE D RETORT AND 70% RECOVERY FROM THE PIPE RETORT. WORKINGS WERE OF REASONABLE SIZE.

Comments on development

  • ECON.COM: P.W. STONE REPORTED IN 1942 THAT HE DID NOT SEE POSSIBILITIES IN THE GUADALUPANA DUMP AND DID NOT FIND THE MINE ATTRACTIVE.

Reference information

Bibliographic references

  • Deposit

    STORM, 1942, RECON. REPORT ON GUADALUPANA MERCURY MINE, NEAR OBREGON, GTO, USGS.

  • Deposit

    STONE, P.W., 1942, LETTER TO ANTHONY GIBBON: UNPUBLISHED.

  • Production

    STORM, 1942.

General comments

Subject category Comment text
Deposit STORM WROTE THAT RECENT OUTPUT HAD BEEN POOR AND THE MINE MAY HAVE REACHED LEAN TIMES. THE NEWEST WORKINGS WERE UNDER WATER DURING HIS VISIT AND HIS ASSAYS OF AVAILABLE WORKINGS GAVE LOW GRADE. THE STRUCTURAL DEFORMATION EVIDENT HAD NOT BEEN ADEQUATELY STUDIED AND IT MIGHT BE THAT THE MOST PROMISING PLACES GAVE NOT BEEN DEVELOPED. ; INFO.SRC : 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1979 Slagle, Letha P. (Rytuba, J.) U.S. Geological Survey
Updater 01-SEP-1991 Bolm, Karen S. U.S. Geological Survey

Beyond USGS

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

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