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  3. Mineral Resource Data System (MRDS)

Santo Nino

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. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10158946
MAS/MILS ID 5650150028
Record type Site
Current site name Santo Nino
Alternate or previous names Sto. Nino Mine

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.666, 16.49999 (WGS84)
Elevation 800
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
Silver Secondary

Materials information

Materials Type of material
Calcite Unknown
Chalcocite Unknown
Chalcopyrite Unknown
Gold Unknown
Magnetite Unknown
Malachite Unknown
Molybdenite Unknown
Pyrite Unknown
Quartz Unknown
Sericite Unknown
Silver Unknown

Nearby scientific data

Ore Body (1) 120.666, 16.49999
ListMap

Economic information

Ore body information

  • Length 312M
    Width 187M
    Area 51HA
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control IGNEOUS
    Total Surface Area (HA) 51
    Date of Last Modification 810721

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Significant No
Mining method Caving Methods - Block Caving
Year of first production 1972
Milling method Flotation

Mining district

District name Baguio District

Mineral rights holdings

Type of mineral rights Unknown

Ownership information

  • Type Owner
    Owner Baguio Gold Mining Co.
    Interest 100
    Home office Philippines
    Year 1980
  • Type Operator
    Owner Philex Mining Corp.
    Home office Philippines
    Year 1980

Production statistics

  • Year 1978
    Description 22.41 Wt-Pct Cu Conc 22790000 Mt Conc Produced For Year
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Conc. Copper Copper 2279000mt

Comments on the production information

  • IN 1965, 2,950 METERS DIAMOND DRILLING & 716 METERS OF UNDER TUNNELING WAS DONE IN ORDER TO ESTABLISH RESERVES. MINING METHOD IS SINGLE BENCH, OPEN PIT. THERE WAS 1-10 MILLION TONS OF WASTE. THE MILL FEED CAPACITY WAS 3200 TONS/DAY. THE CONCENTRATOR IS BEING EXPANDED TO 7,500 TONS/DAY. UNDERGROUND BLOCK CAVING HAS BEEN DEVELOPED TO SUPPLY NEEDED ORE FOR EXPANSION. LACK OF RAINFALL IN 1973 CREATED PROBLEMS. SUBSEQUENT UTILIZATION OF THE AMBURAYAN TAILINGS DAM ALLEVIATED THE PROBLEM. ALSO, THE ULLMANN TUNNELS WERE CONNECTED AFTER A TOTAL DISTANCE OF 8,793 FT, BUT THIS EFFORT FAILED. THE NEW ULLMANN OREBODY IS BEING WORKED. THE COMPANY HOPES TO EXPLORE THE TONGUED AREA AND THE AREA AROUND THE ORIGINAL BAGUIO GOLD CLAIMS. IN 1973, A TOTAL OF 9,035,537 POUNDS OF COPPER METAL, 3,990 OZS. GOLD AND 25,077 OZS. SILVER WERE PRODUCED AT A RECOVERY RATE OF 66.48%. THE TOTAL AMOUNT OF COPPER ORE TREATED AMOUNTED TO 1,355,765 DST, AVERAGING 0.5% COPPER AND 0.011 OZS. GOLD PER DST. THE ULLMANN OREBODY YIELDED 4000 TONS/ DAY DURING THIS TIME. IN 1974, 3,517 METRIC TONS OF ORE VALUED AT 44,811,922 P WERE PRODUCED. THIS REPRESENTS A 14.16% DECREASE IN PRODUCTION AND A 5.68 P/TON INCREASE IN PRICE COMPARED TO 1973. SINCE NO BREAKDOWN OF SURFACE/UG RESERVES, SURFACE MINING IS IGNORED COMPLETELY IN EVALUATION. MINE CLOSED JAN. 1982.

Reserves and resources

  • Type In-situ
    Estimate year 1978
    Indicated 35868000mt ore
    Demonstrated 35868000mt ore
    Total resources 35868000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.3619 wt-pct Copper Major 1978
    Gold Au 0.2299 g/mt Gold Major 1978
    Silver Ag 0.932 g/mt Silver Minor 1978
  • Type In-situ
    Estimate year 1975
    Measured 404000mt ore
    Demonstrated 404000mt ore
    Total resources 404000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.377 wt-pct Copper Major 1975
  • Type In-situ
    Estimate year 1975
    Measured 28000mt ore
    Demonstrated 28000mt ore
    Total resources 28000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.394 wt-pct Copper Major 1975
  • Type In-situ
    Estimate year 1985
    Measured 30000000mt ore
    Demonstrated 30000000mt ore
    Total resources 30000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.3 wt-pct Copper Major 1985
    Feldspar Feldspar 0.22 wt-pct Feldspar 1985
  • Type In-situ
    Estimate year 0
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.326 wt-pct Copper Major 0
    Gold Au 0.207 g/mt Gold Major 0
    Silver Ag 0.834 g/mt Silver Minor 0

Comments on the reserve resource information

  • PHILEX MINING CORP. OWNS 49% OF BAGUIO GOLD MINING CO.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method BLOCK CAVING 10-79
    Percent Waste Rock 10
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    Avg. Length of Adits (m) 1000
    Number of Adits 1
    1st Condition of Workings PART ACCESSIBLE
    2nd Condition of Workings UNKNOWN
    Capacity 7800
    Capacity Units MT ORE/DAY
    Unit Production Cost 2.06
    Units of Production $/MT ORE
    Operating Days per Year 320
    Operating Shifts per Day 3
    Year of Information 1980

Reference information

Bibliographic references

  • Reserve-Resource

    PHILIPPINE BUREAU OF MINES, PHILIPPINE PRIMARY COPPER ORE

  • Reserve-Resource

    RESERVES, 1985, P.15.

  • Deposit

    ENGINEERING AND MINING JOURNAL INTERNATIONAL DIRECTORY,

  • Deposit

    1975, P. 259.

  • Deposit

    TUPAS, M.H., HALE, W.E. AND GOVETT, G.J.S., EXPLORATION FOR

  • Deposit

    DISSEMINATED COPPER DEPOSITS IN HUMID MOUNTAINS, TROPICAL

  • Deposit

    TERRAIN, SANTO NINO MOUNTAIN PROVINCE, PHILIPPINES: INSTI-

  • Deposit

    TUTE OF APPLIED GEOLOGY, MARCH 1967.

  • Deposit

    ANNUAL REPORT, BAGUIO GOLD MINING COMPANY, 1973.

  • Deposit

    PHILIPPINE BUREAU OF MINES, MINERAL NEWS SERVICE, 1975, 12P.

  • Deposit

    UNITED NATIONS MINING DEVELOPMENT IN ASIA AND THE FAR EAST,

  • Deposit

    MINERAL RESOURCES DEVELOPMENT SERIES NO. 27, NEW YORK, 1967,

  • Deposit

    P. 110.

  • Deposit

    BAQUIO GOLD MINING COMPANY ANNUAL REPORT 1978.

  • Deposit

    PHILEX MINING CORPORATION ANNUAL REPORT 1978.

  • Deposit

    RECOLIZADA, R.R., CABURIAN, E.R., BERNARDEZ, A.G. 1974.

  • Deposit

    "STO. NINO ULLMAN OREBODY POTENTIAL BLOCK CAVE COPPER

  • Deposit

    PRODUCER." FOURTH SYMPOSIUM ON MINERAL RESOURCES DEVELOP-

  • Deposit

    MENT AND THE TWENTY-FIRST MINE SAFETY CONFERENCE,

  • Deposit

    DECEMBER 5-7. MANILA, PHILIPPINES, PP. 1-5.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-JAN-1995 Dab / Golder 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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