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  3. Mineral Resource Data System (MRDS)

Amacan

Past 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 10158592
MAS/MILS ID 5650210024
Record type Site
Current site name Amacan
Alternate or previous names North Davao Ndmc, Amacan Prospect

Geographic coordinates

Point of reference Claim
Geographic coordinates: 126.06591, 7.35088 (WGS84)
Elevation 200
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

Materials information

Materials Type of material
Azurite Unknown
Bornite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Chrysocolla Unknown
Covellite Unknown
Gold Unknown
Limonite Unknown
Magnetite Unknown
Malachite Unknown
Molybdenite Unknown
Pyrite Unknown

Nearby scientific data

Claim (1) 126.06591, 7.35088
ListMap

Economic information

Ore body information

  • Strike N01E
    Dip 85E
    Thickness 400M
    Length 1200M
    Width 400M
    Field Value
    MAS Matrix # 2
    MAS Column # 3
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 PIPELIKE
    Primary mode of Origin CONT METASOMATIC
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 POTASSIC
    Strike And Dip N01E:85E
    Minimum Depth to Top 0
    Date of Last Modification 810727
  • Area 66HA
    Field Value
    Total Surface Area (HA) 66
    Date of Last Modification 910418

Comments on the geologic information

  • THE AMACAN OREBODY IS LOCATED WITHIN A TRIANGULAR FAULT BLOCK BOUNDED BY THE N.W. TRENDING PHILIPPINE RIFT ZONE AND ITS N.W. TRENDING TENSION FAULT COMPONENTS.

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1963
Mining method Open Pit
Year of first production 1982
Milling method Flotation

Mining district

District name Masara

Ownership information

  • Type Owner-Operator
    Owner North Davao Mining Corp.
    Interest 100
    Home office Philippines
    Year 1985

Comments on the ownership information

  • NORTH DAVAO MINING CO. IS OWNED 30% BY SAMAR MINING CO. AND 70% BY PRIVATE INTERESTS.

Production statistics

  • Year 1982
    Description 2304000 Tons Ore Mined 30877 Tonnes 24% Cu Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Copper Copper 30389.14mt 24wt-pct
  • Year 1983
    Description 5187000 Tons Ore Mined 78141 Tonnes 24% Cu Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 76906.37mt 24wt-pct
  • Year 1984
    Description 6054000 Tons Ore Mined 92378 Tonnes 24% Cu Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 90918.42mt 24wt-pct
  • Year 1985
    Description 6340000 Tons Ore Mined 84433 Tonnes 24% Cu Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 83098.95mt 24wt-pct
  • Year 1986
    Description 6100000 Tons Ore Mined. 69744 Tonnes 24% Cu Conc.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Copper Copper 68642.04mt 24wt-pct

Comments on the production information

  • NIPPON MINING CO. DID THE DIAMOND DRILLING PROGRAM IN 1967. SAMICO RESUMED DRILLING IN DEC. 1969 TO 1973, AND RESUMED IN 1975. CURRENT EXPLORATION IS TO THE NO. AND SO. OF THE AMACAN PROJECT.

Reserves and resources

  • Type In-situ
    Estimate year 1992
    Indicated 116000000mt ore
    Demonstrated 116000000mt ore
    Total resources 116000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.37 wt-pct Copper Major 1992
    Gold Au 0.4 g/mt Gold Minor 1992
  • Type In-situ
    Estimate year 1985
    Indicated 99654000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.36 wt-pct Copper Major 1985
    Silver Ag 2.3 g/mt Silver 1985
    Gold Au 0.42 g/mt Gold Minor 1985

Comments on the reserve resource information

  • PHILIPPINE BUREAU OF MINES RESERVE TABLE- 1985, P18. (12/31/85) PHIL. MIN. DATA BY YOSHITAKA HOSOI, MMAJ, P.32 , 9/90;(12/31/88)
  • JAN. 1,1980 RESERVES USED MINEABLE RESERVES ARE 108800000 MT@0.42%CU,.52GM AU, 2.97 GM AG.
  • TOTAL RESERVES AS OF 12/31/86; USED IN 1987 EVALUATION.

Workings at the site

  • Type of workings Surface
    Area 66HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 37.5
    Primary Material Cover M-HARD ROCKS
    Secondary Material Cover SAND, GRAVEL
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 13
    Max. Pit Slope (degrees) 45
    Capacity 22290
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1986

Comments on the workings information

  • ENVIRONMENTAL COSTS ASSOCIATED WITH THE PROJECT ARE REPORTED AT US $12 MILLION. A TOWN SITE WILL BE DEVELOPED WHICH WILL INCREASE THE REGIONAL POPULATION BY APPROXIMATELY 10,000. A 138 KW TRANSMISSION LINE FOR THE MINE AND MILL WILL BE SUPPLIED BY THE PHILIPPINE NATIONAL POWER CO.

Reference information

Bibliographic references

  • Reserve-Resource

    THE PHILIPPINES-A PROSPECTUS FOR THE INTERNATIONAL MINING

  • Reserve-Resource

    INDUSTRY, JAN. 1992, P-62.

  • Deposit

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

  • Deposit

    AND PETROLEUM ENGINEERS REPRINT, 1976, 76-I-79.

  • Deposit

    ANON. 1979. "AMACAN UNDERWAY" MINING JOURNAL. JUNE 29 P.495

  • Deposit

    CULALA, L.R., JR. 1980. "EXPLORATION OF THE AMACAN COPPER

  • Deposit

    DEPOSIT, MASARA, MABINI,DAVAO DEL NORTE."UNPUBLISHED REPORT.

  • Deposit

    DECASTRO, C.J. 1980. "GREEN LIGHTS FOR AMACAN PROJECT,"

  • Deposit

    MODERN MINING AND ENGINEERING. JAN. PP. 9-10.

  • Deposit

    MALIEIDEM, D.G.; MANLANSING, P.M.; AND PENA, R.E. 1966.

  • Deposit

    ANALYSIS OF STRUCTURES IN THE MASARA MINE AREA, MABINI,DAVAO

  • Deposit

    INSTITUTE OF PHILIPPINE GEOLOGY. DECEMBER PP. 16-21.

  • Deposit

    PHILIPPINE BUREAU OF MINES, PHILIPPINE PRIMARY COPPER ORE

  • Deposit

    RESERVES TABLE, 1985, P. 18.

  • Deposit

    E/MJ 6/80 P. 262

  • Deposit

    E/MJ 3/82 P. 222

  • Deposit

    WORLD MINING 9/82 P. 106-107

  • Deposit

    MJ 6/17/83 P. 415

  • Deposit

    MJ 4/29/83 P. 291

  • Deposit

    METALS WEEK OCT. 25, 1982, P.3.

  • Deposit

    "COPPER MINE, THE PHILIPPINES", MINING MAGAZINE - NOV.1984,

  • Deposit

    PP. 471-477

  • Deposit

    CRU-MONITOR, JUNE 1992.

General comments

Subject category Comment text
Deposit ALTHOUGH GOLD IS A RECOVERABLE COMMODITY IT WILL NOT BE RECOVERED. THE AMACAN COPPER DEPOSIT IS SITUATED IN THE BARRIO MASARA MABINI MUNICIPALITY. ACCESS TO THE MINE IS A 24 KM GRADED DIRT ROAD.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-JAN-1995 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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