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  3. Mineral Resource Data System (MRDS)

Boneng-Lobo

Past Producer in Philippines with commodities Copper, Gold, Silver
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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. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10206966
MAS/MILS ID 5650150040
Record type Site
Current site name Boneng-Lobo
Alternate or previous names Lobo & Boneng

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.6993, 16.61998 (WGS84)
Elevation 1400
Location accuracy 500(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
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Gold Unknown
Magnetite Unknown
Molybdenite Unknown
Silver Unknown

Nearby scientific data

Ore Body (1) 120.6993, 16.61998
ListMap

Economic information

Ore body information

  • Length 200M
    Width 150M
    Field Value
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Shape of Orebody #3 IRREGULAR
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 POTASSIC
    Date of Last Modification 830623

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1966
Mining method Open Pit
Year of first production 1974
Milling method Flotation

Mining district

District name Luzon, Philippines

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Western Minolco Corp.
    Interest 100
    Home office Philippines
    Year 1980

Production statistics

  • Year 1974
    Description Initial Production 3276000 Mt Ore/Yr
  • Year 1975
    Description 3840500 Mtpy
  • Year 1976
    Description 3840500 Mtpy
  • Year 1977
    Description 3840500 Mtpy
  • Year 1978
    Description 3840500 Mtpy
  • Year 1979
    Description 4896000 Mtpy
  • Year 1980
    Description 53769000 Mtpy
  • Year 1981
    Description 38953000 Mtpy
  • Year 1982
    Description 2560000 Mtpy

Comments on the production information

  • P-DEI - P-DE3: UNKNOWN

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Measured 225000000mt ore
    Demonstrated 225000000mt ore
    Total resources 225000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.287 wt-pct Copper Major 1992
    Gold Au 0.26 g/mt Gold Major 1992
  • Type In-situ
    Estimate year 1981
    Indicated 37191000mt ore
    Demonstrated 37191000mt ore
    Total resources 37191000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.353 g/mt Gold Major 1981
    Copper Cu 0.287 wt-pct Copper Major 1981
  • Type In-situ
    Estimate year 1981
    Indicated 135282000mt ore
    Demonstrated 135282000mt ore
    Total resources 135282000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.297 wt-pct Copper Major 1981
    Gold Au 0.357 g/mt Gold Major 1981

Comments on the reserve resource information

  • M1C1=M9C4. TOTAL RESERVES AS OF 12/31/86; USED IN 1987 EVALUATION.
  • PHILIPPINE BUREAU OF MINES RESERVE RPT.- 1985, P16. (12/31/85) BROOK HUNT & ASSOC., COPPER STUDY, 1987 ED,
  • RESERVES ARE FOR BOTH BENENG AND LOBO ORE DEPOSITS.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OPEN PIT
    Percent Waste Rock 50
    Avg. Bench Height (meters) 12
    Max. Pit Slope (degrees) 41
    Capacity 19440
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 360
    Operating Shifts per Day 2
    Year of Information 1986

Comments on the workings information

  • UNKNOWN RAINFALL IS MODERATE TO EXTREME

Reference information

Bibliographic references

  • Reserve-Resource

    THE PHILIPPINES-PROSPECTUS FOR THE INTERNATIONAL MINING

  • Reserve-Resource

    INDUSTRY, JAN. 1992.

  • Reserve-Resource

    WESTERN MINOLCO CORP., 1981 ANNUAL REPORT, P. 3.

  • Deposit

    PHILIPPINE MINING AND ENGINEERING JOURNAL, ANNUAL AND DIREC-

  • Deposit

    TORY, 1975, P. 128-130.

  • Deposit

    SAEGERT AND LEWIS, PHILIPPINE PORPHYRY COPPER DEPOSITS:

  • Deposit

    AMERICAN INSTITUTE OF MINING, METALLURGICAL AND PETROLEUM

  • Deposit

    ENGINEERS REPRINT, 1976, 76-I-79.

  • Deposit

    WORLD MINES REGISTER, 1976-1977, P. 136.

  • Deposit

    MINERAL ENGINEERING MAGAZINE, OPEN PIT MINING AT BONENO-LOBO

  • Deposit

    MINES DIVISION, WESTERN MINOLCO CORP. JAN-MAR 1975,

  • Deposit

    P. 23-26.

  • Deposit

    MINERAL ENGINEERING MAGAZINE, THE PROBLEM OF LOCAL RESIDENTS

  • Deposit

    OPPOSITION TO MINING AND HOW WESTERN MINOLCO HANDLES IT

  • Deposit

    AT BOENO, ATOK, BENGUET. JAN-MAR 1975, P. 27-35.

  • Deposit

    WESTERN MINOLCO CORP. 10TH ANNUAL REPORT 1979.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-JAN-1995 Porter, Kenneth E. 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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