Copper Shield

Past Producer in Philippines with commodities Copper, Gold, Molybdenum, Silver
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 10133873
MAS/MILS ID 5650150084
Record type Site
Current site name Copper Shield
Alternate or previous names Black Mountain, Black Mountain Mine, Kennon Mine

Comments on the site names

  • ALSO KNOWN AS KENNON OR BLACK MOUNTAIN KENNON SEQ.NO. IS 5650150026. ADDED TO ORIG. CONTRACT.

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.5993, 16.35001 (WGS84)
Elevation 850
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 Secondary
Molybdenum Secondary
Silver Secondary

Materials information

Materials Type of material
Bornite Unknown
Calcite Unknown
Chalcopyrite Unknown
Gold Unknown
Gypsum Unknown
Magnetite Unknown
Molybdenite Unknown
Pyrite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 120.5993, 16.35001

Economic information

Ore body information

  • Thickness 300M
    Length 450M
    Width 450M
    Area 70HA
    Depth to top 50M
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 PIPELIKE
    Type of Orebody #2 STOCKWORK
    Primary mode of Origin MAGMATIC DIFFER
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. UNKNOWN
    Type of Wallrock Alter. #1 SILICIFICATION
    Type of Wallrock Alter. #2 POTASSIC
    Type of Wallrock Alter. #3 SERICITIC
    Minimum Depth to Top 10
    Total Surface Area (HA) 70
    Date of Last Modification 830623

Comments on the geologic information

  • STRIKE AND DIP: NE:NW

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Discovery year 1956
Mining method Caving Methods - Block Caving
Year of first production 1969
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 Benguet Explorations, Inc.
    Interest 100
    Home office Philippines
    Year 1990

Production statistics

  • Year 1969
    Material ore
    Ore mined 500000mt
    Description Initial Production 500000 Mt Ore/Yr
  • Year 1970
    Material ore
    Ore mined 500000mt
    Description 500000 Mtpy
  • Year 1971
    Material ore
    Ore mined 500000mt
    Description 500000 Mtpy
  • Year 1972
    Material ore
    Ore mined 500000mt
    Description 500000 Mtpy
  • Year 1973
    Material ore
    Ore mined 500000mt
    Description 500000 Mtpy
  • Year 1974
    Material ore
    Ore mined 1000000mt
    Description 1000000 Mtpy
  • Year 1975
    Material ore
    Ore mined 1200000mt
    Description 1200000 Mtpy
  • Year 1976
    Material ore
    Ore mined 1200000mt
    Description 1200000 Mtpy
  • Year 1977
    Material ore
    Ore mined 1200000mt
    Description 1200000 Mtpy
  • Year 1978
    Material ore
    Ore mined 1200000mt
    Description 1200000 Mtpy
  • Year 1979
    Material ore
    Ore mined 1200000mt
    Description 1200000 Mtpy
  • Year 1980
    Material ore
    Ore mined 1168000mt
    Description 1168000 Mtpy
  • Year 1981
    Material ore
    Ore mined 1278000mt
    Description 1278000 Mtpy

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Measured 47053000mt ore
    Demonstrated 47053000mt ore
    Total resources 47053000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.41 wt-pct Copper Major 1985
  • Type In-situ
    Estimate year 1985
    Indicated 2061000mt ore
    Demonstrated 2061000mt ore
    Total resources 2061000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.43 wt-pct Copper Major 1985
  • Type In-situ
    Estimate year 0
    Demonstrated 35774000mt ore
    Total resources 35774000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.41 wt-pct Copper Major 0
    Molybdenum Mo 0.008 wt-pct Molybdenum Minor 0
    Gold Au 0.28 g/mt Gold Minor 0
    Silver Ag 1 g/mt Silver Minor 0
  • Type In-situ
    Estimate year 1985
    Indicated 49114000mt ore
    Demonstrated 49114000mt ore
    Total resources 49114000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.41 wt-pct Copper Major 1985

Comments on the reserve resource information

  • PHILIPPINE BUREAU OF MINES RESERVE RPT.- 1985, P17. (12/31/85) MCF (12/31/85)
  • TOTAL RESERVES AS 12/31/86; USED IN 1987 EVALUATION.

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 Waste Rock 10
    Percent Recovery 80
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 3429
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.17
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1980
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ESTIMATE
    Mining Method BLOCK CAVING 10-79
    Percent Waste Rock 10
    Percent Recovery 80
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 10000
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.61
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1980
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method PROPOSED
    Mining Method BLOCK CAVING 10-79
    Percent Waste Rock 10
    Percent Recovery 80
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 3500
    Capacity Units MT ORE/DAY
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1986

Comments on the workings information

  • RAINFALL VARIES FROM 150 CM TO 500 PER YEAR

Reference information

Bibliographic references

  • Reserve-Resource

    ARGALL, GO. O., JR. 1969, BLACK MOUNTAIN, NEW COPPER MINE

  • Reserve-Resource

    IN THE PHILIPPINES, WORLD MINING, NOV. 1969, PP. 32-34.

  • Reserve-Resource

    BENGUET EXPLORATION, INC., 1985 ANNUAL REPORT, P. 4.

  • Deposit

    ORDUNA, S. C., 1971, PANEL CAVING, SLUSHER-SCRAPER AND

  • Deposit

    CONVEYOR BELT SYSTEM AT BLACK MOUNTAIN, INC. KENNON

  • Deposit

    COPPER MINE. THIRD SYMPOSIUM ON MINERAL RESOURCES

  • Deposit

    DEVELOPMENT, MANILA, NOVEMBER, 1971.

  • Deposit

    ENGINEERING AND MINING JOURNAL, FEBRUARY 1981, P. 160.

  • Deposit

    MINING JOURNAL, AUGUST 19, 1983, P. 135.

  • Deposit

    ENGINEERING AND MINING JOURNAL, JANUARY 1985, P. 73.

  • Deposit

    INTERNATIONAL MINING, JULY 1986, P, 57.

  • Deposit

    BLACK MOUNTIAN INC., GEOLOGICAL REPORT, DECEMBER 1977.

  • Deposit

    SCHOLEY, GEORGE A., "BLACK MOUNTAIN'S COPPER MINE FIGHTS

  • Deposit

    BACK," WORLD MINING, FEBRUARY 1980, PP. 38-42.

  • Deposit

    BLACK MOUNTAIN INC., ANNUAL REPORT 1977.

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.