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Island Queen Mine

Producer in Puerto Rico, United States with commodities Iron, Copper
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10085525
MRDS ID W701128
Record type Site
Current site name Island Queen Mine
Alternate or previous names Las Torres

Geographic coordinates

Geographic coordinates: -65.83334, 18.19038 (WGS84)
Relative position TWO MILES NORTH OF HUMACAO

Site location context

Political divisions (FIPS codes)

Las Piedras Municipio(county)

Puerto Rico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Humacao(quadrangle 1:24,000 scale)

Puerto Rico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Eastern(hydrologic unit)

Puerto Rico(hydrologic accounting unit)

Puerto Rico(hydrologic subregion)

Caribbean(hydrologic region)

Geographic areas

Country State
United States Puerto Rico

Comments on the location information

  • 13 KILOMETERS EAST OF KEYSTONE MINE

Commodities

Commodity Importance
Iron Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Magnetite Ore
Malachite Ore
Epidote Gangue
Pyrite Gangue
Hematite Unknown

Alteration

  • (Local) Garnet, Epidote, Chlorite, Calcite

Analytical data

Result FE TO 60 % (LOW TI & P), CU - 2 METERS OF 2.83% CU

Mineral occurrence model information

Model code 59
USGS model code 18b
Deposit model name Skarn Cu
Mark3 model number 8

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Stratigraphic age (youngest) Early Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt

Nearby scientific data

(1) -65.83334, 18.19038
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 6.1M
    Length 182.88M
    Width 6.1M
    Depth to top 0M

Controls for ore emplacement

  • Northeset Major Fault Zones

Comments on the geologic information

  • TWO 20 - 30 FOOT WIDE BANDS OF CARBONATE BEARING ROCKS, ALTERED TO SKARN, WITH ANDESITE FLOWS BETWEEN.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1750
Discoverer Spanish

Mining district

District name Las Torres

Ownership information

  • Type Operator
    Owner Island Queen Mine
  • Type Owner
    Owner Fraser, A. D.
    First year 1957

Production statistics

  • Year 1953
    Period 1951-53
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^>60 % Fe
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Iron Iron 60wt-pct

Comments on the production information

  • PRODUCTION LUMPED WITH KEYSTONE MINE

Comments on the reserve resource information

  • HUGE MAGNETITE-HEMATITE BOULDERS RUNNING 60% PLUS IN IRON ARE STREWN AROUND ON TOP OF THE DEPOSIT WHICH OUTCROPS ON A HILLTOP, AND IN THE VALLEY HUNDREDS OF FEET BELOW; SOLID FACES OF HEMATITE OUTCROP IN VARIOUS PLACES, AND A CONSERVATIVE ESTIMATE WOULD PLACE THE ORE RESERVES AT ABOUT 50,000 TONS ON THE BASIS OF PRELIMINARY EXPLORATION ALONE (KNOERR, 1952, P. 79).

Comments on the workings information

  • NUMEROUS SMALL PITS, ADITS, SHAFTS

Comments on development

  • MINE

Reference information

Bibliographic references

  • Deposit

    COX, DENNIS P., AND BRIGGS, REGINALD P., 1973, METALLOGENIC MAP OF PUERTO RICO: U.S. GEOLOGICAL SURVEY, MISCELLANEOUS GEOLOGIC INVESTIGATIONS MAP I-721, ACCOMPANIED BY EXPLANATORY PAMPHLET, 6 P.

  • Deposit

    BERGEY, W.R., AND HAWLEY, R.G., 1958, REPORTS ON THE LAS TORRES AREA, CAGUAS CONCESSION, PUERTO RICO: A.D. FRASER PRIVATE REPORT ON FILE AT THE DEPARTMENT OF NATURAL RESOURCES, PUERTO RICO.

  • Deposit

    VAZQUEZ, LEOVIGILDO, 1960, GEOLOGY AND ORE DEPOSITS OF THE KEYSTONE IRON MINE NEAR JUNCOS, PUERTO RICO, DEPT. OF INDUSTRIAL RESEARCH, ECONOMIC DEVELOPMENT ADMINISTRATION, BULL 7.

  • Deposit

    KNOERR, A. W., 1952, MINNESOTA MINING MEN OPEN UP RICH PUERTO RICO IRON MINE: ENG. MINING JOUR., V. 153, NO. 8, P. 74-79.

  • Production

    VAZQUEZ, LEOVIGILDO, 1960

General comments

Subject category Comment text
Deposit 3 PARALLEL ZONES OF SKARN
Deposit [PREVIOUS UPDATER AND DATE: MCKELVEY, G. E., 90 07.] ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit Discovery Year: 1700'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1990 Paidakovich, Matthew E. U.S. Geological Survey
Updater 01-OCT-1991 Paidakovich, Matthew E. U.S. Geological Survey

Beyond USGS

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

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