Tadasna

Producer in Nicaragua with commodities Gold, Lead
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. Economic information about the deposit and operations
  10. Mining district
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10061680
MRDS ID TC34614
Record type Site
Current site name Tadasna
Alternate or previous names Las Minitas

Geographic coordinates

Geographic coordinates: -84.80827, 13.58424 (WGS84)
Elevation 100
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Nicaragua(country)

North America(continent)

Land(continent)

Geographic areas

Country
Nicaragua

Comments on the location information

  • N AND S OF BRIDGE AT TADASNA, ALSO PLACERS ALONG RIO PRINZAPOLKA, UPSTREAM AND DOWNSTREAM FROM BRIDGE. LAT LONG GIVEN IS FOR CENTRALLIZED LOCATION. DEPOSIT ACTUALLY RANGES FROM 13-33-30N TO 13-36-30N AND FROM 084-47-30W TO 084-49-30W.

Commodities

Commodity Importance
Gold Primary
Lead Secondary

Comments on the commodity information

  • GALENA AND PYRITE ONLY IN QUARTZ VEINS, NOT DISSEMINATED. PB IS NOT RECOVERED.

Materials information

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

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock
  • Host or associated Associated
    Rock type Plutonic Rock
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock

Nearby scientific data

(1) -84.80827, 13.58424

Economic information

Comments on the geologic information

  • GOLD SEEMS TO BE ASSOCIATED WITH ULTRAMAFIC SERPENTINIZED ROCKS, ALTHOUGH THE CORRESPONDENCE IS NOT 1:1. SEDIMENT BEDS, SCHISTOSITY IN SERPENTINITE, PREFERRED ORIENTATION OF CLASTS IN VOLCANIC AGGLOMERATES AND ALL OBSERVED CONTACTS BETWEEN VARIOUS UNITS ALL STRIKE NEARLY NS AND DIP STEEPLY.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Tadasna

Production statistics

  • Year 1985
    Material ORE
    Description Ap_Grade: ^1.0 G/Ton Au
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 1g/mt

Comments on the workings information

  • SMALL SCALE WORKINGS OF LOCAL PROSPECTORS. SMALL NUMBER OF MINERS CURRENTLY WORK THE DEPOSIT, SINGLY OR IN COOPERATIVES. SOME REPORTS MENTION OLD MINING MACHINERY BUT NONE HAVE BEEN OBSERVED.

Reference information

Bibliographic references

  • Deposit

    VENABLE, M., 1992, PERSONAL OBSERVATIONS AND UNPUBLISHED DOCUMENTS

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit SURFACE DEPOSIT. MOST GOLD IS RECOVERED FROM ELUVIAL AND ALLUVIAL MATERIAL.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1992 Carbonaro, Marguerite M. (Venable, M.) U.S. Geological Survey

Beyond USGS

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