Insular Chromite Reserve No.1,Mas

Prospect in Philippines with commodities Aluminum, Chromium, Iron, Magnesite, PGE, Silica
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Reserves and resources
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10134180
MAS/MILS ID 5650150007
Record type Site
Current site name Insular Chromite Reserve No.1,Mas
Alternate or previous names Inloc Zambales

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 120.09512, 15.57898 (WGS84)
Elevation 200
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Philippines(country)

Asia(continent)

Land(continent)

Geographic areas

Country
Philippines

Commodities

Commodity Importance
Aluminum Critical Tertiary
Chromium Critical Tertiary
Iron Tertiary
Magnesite Tertiary
PGE Critical Tertiary
Silica Tertiary

Nearby scientific data

Ore Body (1) 120.09512, 15.57898

Economic information

Ore body information

  • Strike N45E
    Dip 50N
    Area 10HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 OTHER
    Shape of Orebody #1 OTHER
    Shape of Orebody #2 IRREGULAR
    Shape of Orebody #3 MASSIVE
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control BEDDING
    Secondary Ore Control CONTACT ZONE
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 OTHER
    Strike And Dip N45E:50N
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 10
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No
Discovery year 1930

Mining district

District name Masinloc

Mineral rights holdings

Type of mineral rights Federal Lease

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Measured 610000mt ore
    Demonstrated 610000mt ore
    Total resources 610000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 33.39 wt-pct Chromium Trace 1977

Reference information

Bibliographic references

  • Deposit

    D.L.ROSSMAN,ET.AL.1959,CHROMITE INSULAR RESERV.NO.1,ZAMBALES

  • Deposit

    BUR.MINES,SPEC.PROJECT SERIES 19

  • Deposit

    A.T.CRISOSTOMO,1963,MASINLOC CHROMITE,PHIL.MINING NEWSL.,MAR

  • Deposit

    PG 5-24.

General comments

Subject category Comment text
Deposit THREE ORE ZONES:LARGEST,WEST ORE BODY APPROX. 290M X 50M X 4 AINS ESTIMATED 490,000MT OF ORE MIDDLE ORE BODY ABOUT 45,000 EAST ORE BODY ABOUT 79,000MT- CONSERVATIVE ESTIMATE FOR RESE CLEANED ORE- CR2O3<AL203>37.2,FE203>29.5,FEO>2.1,MGO<CA0>11. 17.9,SI02>0.59,SP.GR.>4.14

Reporter information

Type Date Name Affiliation Comment
Reporter 21-OCT-1983 Erikson U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.