San Antonio

Producer in Philippines with commodities Copper, Gold

Geologic information

Identification information

Deposit ID 10231055
MAS/MILS ID 5650150043
Record type Site
Current site name San Antonio

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.6993, 16.74997 (WGS84)
(click for info)

Geographic areas

Country
Philippines

Commodities

Commodity Importance
Copper Tertiary
Gold Tertiary

Materials information

Materials Type of material
Bornite Unknown
Chalcopyrite Unknown
Magnetite Unknown
Malachite Unknown

Nearby scientific data

Ore Body (1) 120.6993, 16.74997

Ore body information

  • Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 FISSURE VEIN
    Primary mode of Origin METAMORPHISM
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control FRACTURING
    Date of Last Modification 790817

Comments on the geologic information

  • THE OREBODY IS STEEPLY DIPPING AND TABULAR. ORE IS DISTRIBUTED EQUALLY BETWEEN THE HOST ROCKS AND THE INTRUDING DIORITE.
  • DOMINANT ALTERATION MINERALS ARE BIOTITE, SERICITE, CHLORITE AND EPIDOTE. MAGNETITE IS 2-4% OF ORE.

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No

Ownership information

  • Type Operator
    Owner Philex Mining Corp.
    Interest 100
    Home office Philippines
    Year 1976

Reserves and resources

  • Type In-situ
    Estimate year 1974
    Demonstrated 28,000,000mt ore
    Measured 28,000,000mt ore
    Total resources 28,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.5 wt-pct Copper Trace 1974
  • Type In-situ
    Estimate year 1976
    Demonstrated 32,000,000mt ore
    Measured 32,000,000mt ore
    Total resources 32,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.45 wt-pct Copper Trace 1976
    Gold Au 0.3899 g/mt Gold Trace 1976
  • Type In-situ
    Estimate year 1977
    Demonstrated 30,000,000mt ore
    Measured 30,000,000mt ore
    Total resources 30,000,000mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.4 wt-pct Copper Trace 1977
    Gold Au 0.3899 g/mt Gold Trace 1977

Comments on the reserve resource information

  • PHILEX MINING CORP. BELIEVES THIS PROPERTY HAS POTENTIAL TO PRODUCE IF ORE RESERVES CAN BE APPROXIMATELY DOUBLED.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 5650150043

Bibliographic references

  • Deposit

    METALS SOURCEBOOK, MAY 20, 1974.

  • Deposit

    MINING MAGAZINE, INTERNATIONAL MINING SURVEY, 1976, P. 221.

  • Deposit

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

  • Deposit

    PORPHYRY COPPER DEPOSITS AND SUMMARY OF CURRENT PRODUCTION

  • Deposit

    ALMOGELA, D.H., PHILIPPINE PORPHYRY COPPERS: NOW 34 KNOWN

  • Deposit

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

  • Deposit

    WRITTEN CORRESPONDENCE, APRIL 21, 1977, PHILEX MINING CORP.,

  • Deposit

    DIRECTORY, 975.

  • Deposit

    MINES IN DENVER.

Reporter information

Type Date Name Affiliation Comment
Reporter 10-MAR-1997 Unknown U.S. Bureau of Mines