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  3. Mineral Resource Data System (MRDS)

Llorente

Producer in Samar, Philippines with commodity Chromium
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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. Land status
  13. Ownership information
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10255731
MAS/MILS ID 5650330007
Record type Site
Current site name Llorente

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 125.51591, 11.35879 (WGS84)
Elevation 25
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Samar(province)

Philippines(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Philippines Samar

Commodities

Commodity Importance
Chromium Critical Primary

Materials information

Materials Type of material
Chromite Unknown
Hematite Unknown
Ilmenite Unknown
Magnetite Unknown
Olivine Unknown
Rutile Unknown
Serpentine Unknown
Zircon Unknown

Nearby scientific data

Ore Body (1) 125.51591, 11.35879
ListMap

Economic information

Ore body information

  • Thickness 4M
    Length 4000M
    Width 4000M
    Depth to top 4M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 PLACER
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 4
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 830712
  • Area 6237HA
    Field Value
    Total Surface Area (HA) 6237
    Date of Last Modification 910418

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Mining method Open Pit
Milling method Gravity

Mining district

District name Llorente, Samar

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Owner-Operator
    Owner Pacific Shore Mining Corp.
    Home office Philippines
    Year 1981
  • Type Owner
    Owner Rio Chico Mining Corp.
    Home office Philippines
    Year 1981

Comments on the ownership information

  • PACIFIC SHORE AND RIO CHICO HAVE A JOINT VENTURE AGREEMENT, WITH PACIFIC SHORE AS THE OPERATOR. ALAMAG CORP. HAS A CONTRACT TO SELL THE CRUDE CHROMITE ORE TO BE PRODUCED AS A SALEABLE CONCENTRATE.

Reserves and resources

  • Type In-situ
    Estimate year 1987
    Demonstrated 15214000mt ore
    Total resources 15214000mt ore
    Commodity Subtype Grade units Group Importance Year
    Chromium Cr2O3 8 wt-pct Chromium Major 1987

Comments on the reserve resource information

  • UNDER AGREEMENT, ALAMAG CORP.(A SUBSIDIARY OF BAYER A.G.OF W. GERMANY OPERATES THE PROPERTY & MARKETS ALL CONCS. (CHEM. GRADE) TO BAYER A.G. ESSENTIALLY, THE PROPERTY IS A MILL ONLY (ORE DELIVERED TO MILL IN SACKS) BECAUSE OF VERY RAINY CLIMATE. FOR ANALYSIS (AT FULL EST. MILL CAPACITY AS OF 1987): 230,000 MTPY ROM FOR: 32,850 MTPY CONCS.AT 40.5 % CR2O3 (CHEMICAL GRADE CONCS.). PRODUCTS ANALYZED FOB PORT IN AVAIL.STUDY.
  • 1/89 INSITU DEMO.TONNAGE = EST.SURFACE MINEABLE TONNAGE AT 8.0% CR2O3 CONTAINED IN 1420 HA AREA TO AVG. DEPTH OF 4 M.
  • THE RESOURCE TONNAGE GIVEN IN Q-MAT 1 REPRESENTS THE TONNAGE CONTAINED IN THE "NORTHERN GRID AREA, MERVAL, MUYHAR , GROPIL, RONAR, AND NAZGUR AREAS" AND REPRESENTS ONLY ABOUT 1600 HA OUT OF THE 6237 HA HELD BY THE COMPANY.

Workings at the site

  • Type of workings Surface
    Area 6237HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 0
    Avg. Overburden Thickness 4
    Primary Material Cover SAND, SILT
    Percentage 100
    Hardness of Ore SAND, SILT
    Capacity 697
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Units of Production $/MT ORE
    Operating Days per Year 330
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    ANON. 1979. "APPRAISAL OF THE CHROMITE RESERVES OF PACIFIC

  • Deposit

    SHORE MINING CORP. AND RIO CHICO MINING CORP. IN

  • Deposit

    LLORENTE, SAMAR." SEPTEMBER, UNPUBLISHED REPORT.

  • Deposit

    PRIVATE COMMUNICATION. 1980. INTERVIEW WITH RUDY OBIAD,

  • Deposit

    CONSULTANT. MANILA, PHILIPPINES. NOVEMBER 4.

  • Deposit

    STATE DEPARTMENT TELEGRAM 02936, 1980. U.S. EMBASSY, MANILA,

  • Deposit

    PHILIPPINES. FEBRUARY 14. 1 PAGE.

General comments

Subject category Comment text
Deposit THE MINERALIZATION AT LLORENTE OCCURS OVER 77 CLAIMS COVERING A TOTAL AREA OF 6,237 HECTARES. EXACT LENGTH AND WIDTH OF MINERALIZED AREA IN UNKNOWN. ONLY KNOWN THAT RESOURCE TONNAGE IS CONTAINED WITHIN A 1600 HA AREAL EXTENT.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-SEP-1992 Eastern Field Operations Center (EFOC) 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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