Alumbral Mine

Past Producer in Boyaca, Colombia with commodity Quartz
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. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10066080
MRDS ID TC41878
Record type Site
Current site name Alumbral Mine

Geographic coordinates

Geographic coordinates: -74.11634, 5.53464 (WGS84)
Relative position 1 KM WEST OF MUZO.

Site location context

Political divisions (FIPS codes)

Boyaca(province)

Colombia(country)

South America(continent)

Land(continent)

Geographic areas

Country State
Colombia Boyaca

Comments on the location information

  • BASE OF CLIFF. ON LEFT BANK OF QUEBRADA ALUMBRAL.

Commodities

Commodity Importance
Quartz Primary

Comments on the commodity information

  • QUARTZ CRYSTALS

Materials information

Materials Type of material
Quartz Ore
Calcite Gangue
Limonite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
    Rock unit name Villeta Formation
    Rock description Villeta Formation
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -74.11634, 5.53464

Economic information

Ore body information

  • General form IRREGULAR
    Strike N65W
    Dip 30SW
    Length 44M
    Width 13M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Discovery year 1940

Production statistics

  • Year 1944
    Period 1942-1944
    Material ORE
    Description Cp_Grade: ^0.1-0.02 % Qtz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    SIL Silica Silica 0wt-pct

Comments on the workings information

  • OPEN CUT WITH 750, 737 FT LEVELS (1944).

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1994 Page, Norman J. U.S. Geological Survey

Beyond USGS

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