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Lela Claim

Producer in Isla De La Juventud*, Cuba with commodities Tungsten, 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. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Reserves and resources
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10061544
MRDS ID TC34451
Record type Site
Current site name Lela Claim
Alternate or previous names Includes Lela Mine, Pruneda Shaft and Adit, Calvache Shaft, No. 2, No.3 Adits, Vanadium Corporation Workings.
Related records 10061541, 10061542, 10061543

Geographic coordinates

Geographic coordinates: -83.01989, 21.70054 (WGS84)
Elevation 38
Location accuracy 10000(meters)
Relative position E OF COLONY, 30 MILES SW OF NUEVA GERONA

Site location context

Political divisions (FIPS codes)

Isla De La Juventud*(province)

Cuba(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Cuba Isla De La Juventud*

Comments on the location information

  • NE TRENDING AREA S OF SIERRA DE LA CANADA BETWEEN RIO SAN ANTONIO AND RIO SIGUANEA

Commodities

Commodity Importance
Tungsten Critical Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Ferberite Ore
Hematite Ore
Pyrite Ore
Pyrrhotite Ore
Scheelite Ore
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Silicification And Tourmalinization

Analytical data

Result FERBERITE: 76.30% WO3
Result 21.35% FEO
Result 1.79% MNO
Result 0.20% CAO
Result 0.25% MGO
Result TOTAL 99.89%

Mineral occurrence model information

Model code 46
USGS model code 15a
Deposit model name W veins

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Santa Fe Schist
    Rock description Santa Fe Schist

Nearby scientific data

(1) -83.01989, 21.70054
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Isoclinal Floding

Ore body information

  • General form OVERLAPPING LENSES OF MINERALIZED VEIN
    Strike N10-25E
    Dip 50-60NW
    Thickness 3.66M
    Length 304.8M
    Width 76.2M

Controls for ore emplacement

  • Faults, Fractures, Shear Zones

Comments on the geologic information

  • VEINS CUT SCHISTS, QUARTZ-FELDSPAR PORPHYRY, QUARTZITE AND IN TURN ARE CUT BY RHYOLITE DIKES; QUARTZ-TOURMALINE-WO3 VEINS CUT BY PYRITE, PYRRHOTITE, CHALCOPYRITE VEINLETS

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1927
Discoverer George Tower, Laurence Litchfield, And T.C. Denton
Year of first production 1939

Mining district

District name Siguanea District

Ownership information

  • Type Operator
    Owner Pan-American Corp.
    First year 1939
  • Type Owner
    Owner Vanadium Corp. Of America , Pan American Tungsten Corp.
    First year 1928
    Last year 1929

Reserves and resources

  • Type In-situ
    Estimate year 1941
    Total resources 24000mt ore
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 1.36 wt-pct Tungsten Major 1941

Comments on the reserve resource information

  • PROBABLE RESERVES; REPORTS INDICATE THAT TONNAGE MAY BE LARGER; PLACERS PROBABLY LOW GRADE.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 73.15M
    Overall length 1581.91M

Comments on the workings information

  • (1) LELA MINE SHAFT (240 FT) LATERAL WORKINGS ON 125 AND 225 FT LEVELS; 1470 FT OF CROSS-CUTS, 2970 FT DRIFTS ON 125 LEVEL; 3 RAISES FROM 125 LEVEL TO SURFACE AS OF 1944. PRUNEDA SHAFT (160 FT), 60 AND 100 FT LEVEL CROSS-CUTS. PRUNEDA ADIT: 600 FT OF CROSS-CUTS AND DRIFTS. CALVACHE SHAFT (60 FT): CUT VEIN AT 60 FT. NO. 2 ADIT: MINED 80 FT LONG ORE SHOOT. NO. 3 ADIT: 50+ FT. VANADIUM CORP. WORKINGS: PITS AND TRENCHES EXPLORING 600 FT OF VEIN SYSTEM.

Comments on development

  • MOLYBDENUM CORPORATION OF AMERICA DID PROSPECTING IN FALL OF 1938; 1938 ANTONIO CALVACHE RECOGNIZED TUNGSTEN MINERALS AND STAKED LELA CLAIM. ; MILL.CAP: 200-250 T/D ; ECON.COM: MILL CAP IS CRUDE ORE IN 1942

Reference information

Bibliographic references

  • Deposit

    PAGE, L.R., AND MCALLISTER, J.F., 1944, TUNGSTEN DEPOSITS OF ISLA DE PINOS, CUBA: U.S. GEOLOGICAL SURVEY BULLETIN 935-D, D117-D246

  • Other Database

    CIMRI

  • Production

    PAGE AND MCALLISTER (1944)

General comments

Subject category Comment text
Deposit MORE THAN 50 VEINS (QUARTZ-TOURMALINE) NOT ALL CONTAIN MINERALIZATION OR COMMERCIAL SIZE AND GRADE ORE BODIES, AREA OF VEINS 12,000 X 5,000 FT; MINERALIZATION ERRATICALLY DISTRIBUTED IN VEINS LINING CAVITIES, IN VUGS, SURROUNDING EUHEDRAL QUARTZ CRYSTALS; FORMING STREAKS. PLACERS: RESIDUAL FERBERITE OCCURS SW OF LELA SHAFT, NEAR NO. 14 RAISE, ON BOTH SIDES OF PRUNEDA VEIN, ALONG CALVACHE VEIN AND ON RIDGE BETWEEN PRUNEDA AND CALVACHE VEIN.
Deposit 37 DIFFERENT VEINS DESCRIBED BY PAGE AND MCALLISTER (1944) ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1993 Page, Norman J. U.S. Geological Survey

Beyond USGS

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

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