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  3. Mineral Resource Data System (MRDS)

Philex Santo Tomas

Producer in Philippines with commodities Copper, Gold
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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. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Ownership information
  12. Production statistics
  13. Reserves and resources
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10183399
MAS/MILS ID 5650150014
Record type Site
Current site name Philex Santo Tomas
Alternate or previous names Santo Tomas Ii, Philex Mining Corp. Orebody

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.6204, 16.26392 (WGS84)
Elevation 1675
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Philippines(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Philippines

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Unknown

Nearby scientific data

Ore Body (1) 120.6204, 16.26392
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 MASSIVE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Date of Last Modification 871117
  • Strike N00W
    Dip 90
    Thickness 300M
    Length 500M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 4
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 PIPELIKE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Strike And Dip N00W:90
    Date of Last Modification 790817
  • Thickness 900M
    Length 500M
    Width 300M
    Area 200HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 IRREGULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 PIPELIKE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 SERICITIC
    Type of Wallrock Alter. #2 PROPYLITIC
    Strike And Dip E00W:
    Total Surface Area (HA) 200
    Date of Last Modification 790817

Comments on the geologic information

  • OXIDIZED COPPER MINERALS ARE MALACHITE AND AZURITE. CHALCOCITE IS ENRICHED IN UPPER 10 M, A PRODUCT OF SUPERGENE ENRICHMENT.
  • MINERALIZATION IN HOST:INTRUSIVE ROCKS IS 60:40. THE UNSPECIFIED METAMORPHICS ARE METAVOLCANICS.

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Caving Methods - Block Caving
Year of first production 1958
Milling method Flotation

Mining district

District name Tuba

Ownership information

  • Type Owner-Operator
    Owner Philex Mining Corp.
    Interest 100
    Home office Philippines
    Year 1987

Production statistics

  • Year 1980
    Description Copper Concentrate Output Grades 24.5%Cu 9272000 Mt Of Ore Per Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Copper Copper 9272000mt 25wt-pct
  • Year 1981
    Description Percent 9608000 Mt Of Ore Per Year
  • Year 1982
    Description 9634000 Mt Of Ore Per Year
  • Year 1983
    Description 9131000 Mt Of Ore Per Year
  • Year 1984
    Description 9184000 Mt Of Ore Per Year
  • Year 1985
    Description 10090000 Mt Of Ore Per Year
  • Year 1986
    Description 9718000 Mt Of Ore Per Year

Comments on the production information

  • 4140 M OF DIAMOND DRILLING EXPLORATION WERE DONE IN 1976.

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Measured 180000000mt ore
    Demonstrated 180000000mt ore
    Total resources 180000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.28 wt-pct Copper Major 1992
    Gold Au 0.65 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1977
    Measured 150310000mt ore
    Demonstrated 150310000mt ore
    Total resources 150310000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.43 wt-pct Copper Major 1977
    Gold Au 0.88 g/mt Gold Major 1977

Comments on the reserve resource information

  • REPORT GIVEN DURING THE MINE VISIT.
  • PHILEX MINING CORP., 1985 AR, P7. (12/31/85) PHILEX MINING CORP., 1985 AR, P7. (12/31/85)
  • OTHER NAME: PHILEX MINING CORP. OREBODY. REFERENCE: PHILEX MINING CORP. ANNUAL REPORT, 1979. MILL CAPACITY WAS ACTUAL ORE TREATED IN 1990.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method BLOCK CAVING 10-79
    Percent Recovery 95
    Capacity 28000
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.44
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1987

Comments on the workings information

  • UNDERGROUND MINE DEVELOPED BY VERTICAL SHAFT.

Reference information

Bibliographic references

  • Reserve-Resource

    THE PHILIPPINES-PROSPECTUS FOR THE INTERNATIONAL MINING

  • Reserve-Resource

    INDUSTRY, P-117.

  • Deposit

    QUINTO, P.T., GEOLOGY, MINERALIZATION AND EXPLORATION PRO-

  • Deposit

    GRAM IN PHILEX MINES, TUBA, BENGUET: JOURNAL OF THE GEOLOG-

  • Deposit

    ICAL SOCIETY OF THE PHILIPPINES, DEC. 1970, P. 44-46.

  • Deposit

    BRYNER, L., 1969, ORE DEPOSITS OF THE PHILIPPINES: ECONOMIC

  • Deposit

    GEOLOGY, VOL. 64, P. 644-666.

  • Deposit

    SCHAFER, PAUL A., 1956, COPPER DEPOSITS OF THE PHILIPPINES:

  • Deposit

    PHILIPPINE BUREAU OF MINES SPECIAL PROJECT # 16, SANTO TOMAS

  • Deposit

    2 DEPOSIT, MOUNTAIN PROVINCE.

  • Deposit

    TABLE B - 1126 MINES ACCOUNTING FOR 90% OF ALL OUTPUT OTHER

  • Deposit

    THAN COAL: MINING MAGAZINE, SEPT. 1976, P. 271.

  • Deposit

    PHILIPPINE COPPER PRODUCTION WILL RISE SHARPLY: E/MJ, JUNE

  • Deposit

    1977, P. 233.

  • Deposit

    PHILIPPINE PORPHYRY COPPERS: NOW 34 KNOWN DEPOSITS, 8 MINES:

  • Deposit

    WORLD MINING, DEC. 1974, P. 28-33.

  • Deposit

    ANNUAL REVIEW: BAGUIO GOLD MINING CO.: PHILIPPINE MINING

  • Deposit

    AND ENGINEERING JOURNAL, P. 26.

  • Deposit

    SANTO NINO MINE MOVES UNDERGROUND: MINING MAGAZINE, DEC.

  • Deposit

    1975, P. 421.

  • Deposit

    OUTPUT AND PROFITS RISE: MINING JOURNAL, 8/22/69, P. 144.

  • Deposit

    COPPER OPERATIONS: PHILIPPINE MINING AND ENGINEERING

  • Deposit

    JOURNAL, FEB. 1976, P. 22.

  • Deposit

    PHILEX MINING TO EXPAND CAPACITY, START DD AT BENGUET COPPER

  • Deposit

    MILL: WORLD MINING, DEC. 1973, P. 70.

  • Deposit

    ANNUAL REVIEW: PHILEX MINING CORP.: PHILIPPINE MINING AND

  • Deposit

    ENGINEERING JOURNAL, 1975, 1976.

  • Deposit

    TABLE C-MAJOR NEW PROJECTS AND EXPANSION PROGRAMMES: MINING

  • Deposit

    MAGAZINE, SEPT. 1975, P. 221.

  • Deposit

    1978 SURVEY OF MINE AND PLANT EXPANSION: E/MJ, JAN. 1978,

  • Deposit

    P. 71.

  • Deposit

    PHILEX MINING CORP., WORLD MINES REGISTER 76/77, P. 135.

  • Deposit

    PHILEX MINING CORP., E/MJ INTERNATIONAL DIRECTORY OF MINING

  • Deposit

    AND MINERAL PROCESSING OPERATIONS 1976, P. 272.

  • Deposit

    ALMOGELA, D.H., GEOLOGIC ENVIRONMNET AND ECONOMIC POSSIBIL-

  • Deposit

    ITIES OF PORPHYRY DEPOSITS IN THE PHILIPPINES-SUMMARY:

  • Deposit

    CIRCUM-PACIFIC ENERGY AND MINERAL RESOURCES, MEMOIR 25,

  • Deposit

    P. 434-438.

  • Deposit

    SAEGART, W.E. AND LEWIS, D.E., CHARACTERISTICS OF PHILIPPINE

  • Deposit

    PORPHYRY COPPER DEPOSITS AND SUMMARY OF CURRENT PRODUCTION

  • Deposit

    AND RESERVES: SOCIETY OF MINING ENGINEERS, AIME, SEPT. 1977,

  • Deposit

    P. 109-209.

  • Deposit

    KINKEL, A.R., SUMMARY OF THE GEOLOGY OF PHILIPPINE COPPER

  • Deposit

    DEPOSITS: THE PHILIPPINE GEOLOGIST, SEPT. 1958, P. 100.

  • Deposit

    KINKEL, A.R., COPPER DEPOSITS OF THE PHILIPPINES: PHILIP-

  • Deposit

    PINE BUREAU OF MINES SPECIAL PROJECT #16, 1956, P. 15.

  • Deposit

    PERSONAL CORRESPONDENCE, APRIL 21, 1977, PHILEX MINING

  • Deposit

    CORP., P.O. BOX 46, BAGUIO, PHILLIPINES. COPY ON FILE AT

  • Deposit

    BUREAU OF MINES IN DENVER.

  • Deposit

    PERSONAL CORRESPONDENCE, FEB. 20, 1975, PHILEX MINING CORP.,

  • Deposit

    P.O. BOX 46, BAGUIO, PHILIPPINES. COPY ON FILE AT BUREAU OF

  • Deposit

    MINES IN DENVER.

General comments

Subject category Comment text
Deposit $1.78/MT IS THE COST OF MARKETING, ALLOCATION OF DEPRECIATION AND MISCELLANEOUS EXPENSES. THE OPERATION EMPLOYED 1200 PERSONS WITH 600 EXTRA CONSTRUCTION WORKERS IN 1969.

Reporter information

Type Date Name Affiliation Comment
Reporter 11-MAR-1997 Palencia, Cesar M. U.S. Bureau of Mines

Beyond USGS

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

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