Espanolina

Occurrence in Nicaragua with commodity Gold
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Host and associated rocks
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Reserves and resources
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10061685
MRDS ID TC34619
Record type Site
Current site name Espanolina

Geographic coordinates

Geographic coordinates: -84.49993, 13.98422 (WGS84)
Elevation 100
Location accuracy 2000(meters)
Relative position ESPANOLINA IS 10 KM NW OF ROSITA.

Site location context

Political divisions (FIPS codes)

Nicaragua(country)

North America(continent)

Land(continent)

Geographic areas

Country
Nicaragua

Comments on the location information

  • ALONG CANO ESPANOLINA 2.5 KM W OF RIO TUNKY, 1.5 KM W OF BONANZA ROAD
  • NEAR TOWN OF LA UNION ON EAST AND WEST SIDE OF QUEBRADONA RIVER.

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • BULK DENSITY 1.4-1.9 G/CUBIC CM.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -84.49993, 13.98422

Economic information

Comments on the geologic information

  • NW-SE FAULT ALONG QUEBRADONA RIVER WHICH IS FOCUS OF HYDROTHERMAL ALTERATION.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rosita

Comments on the production information

  • WEST DEPOSIT MINED INTERMITTENTLY IN 1970'S AND 1980'S.

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Total resources 12000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 6.24 g/mt Gold Major 1977

Comments on the reserve resource information

  • PROVEN AND PROBABLE RESERVES
  • ORE (1) AND ORE (2) EAST DEPOSIT; ORE (3) AND ORE (4) ARE WEST DEPOSIT; ORE (1) AND ORE (3) ARE TOTAL RESERVE; ORE (2) AND ORE (4) ARE MINEABLE RESERVE. CALCULATED WITH 1.5 G/CUBIC CM BULK DENSITY AND 50% RECOVERABILITY.

Reference information

Bibliographic references

  • Deposit

    O'ROURKE, J., 1966, GEOLOGY AND ORE DEPOSITS OF NORTHEASTERN NICARAGUA, 43 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit GOSSANS AND FLOAT QUARTZ REPORTED
Deposit OREBODY (1), WEST DEPOSIT: COVERS AREA OF 15,000 SQUARE M, GETS UP TO 41 M THICK, HAS TWO CLASSES OF QUALITY (1) WHITE TO GRAY PINK WITH 36.4-37.3% AL2O3, (2) 28.1% AL2O3 AND FE2O3 OF 8.14%, CONTAINS IRON NODULES AND THIN VEINLETS OF IRON OXIDES; OVAL SHAPED, LONG AXIS RUNS NE AND OCCURS AT 590-630 M ELEVATION. OREBODY (2), EAST DEPOSIT: LONG AXIS RUNS NW AND DEPOSIT COVERS 37,000 SQUARE METERS, DEPOSIT CONTAINS SECONDARY IRON NODULES, SEMI-ALTERED MAFIC MINERALS, RUNS 14.8-30.4% AL2O3 AND 4.8-7.6% FE2O3.

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.