Anda Penninsula Manganese Deposit

Past Producer in Bohol, Philippines with commodities Aluminum, Iron, Manganese, Phosphorus-Phosphates, Silica, Sulfur
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. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10280331
MAS/MILS ID 5650050001
Record type Site
Current site name Anda Penninsula Manganese Deposit
Alternate or previous names S At Guindulman,Pangpang,, Tayud,Tawid

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 124.20734, 9.85063 (WGS84)
Elevation 250

Site location context

Political divisions (FIPS codes)

Bohol(province)

Philippines(country)

Asia(continent)

Land(continent)

Geographic areas

Country State
Philippines Bohol

Commodities

Commodity Importance
Aluminum Critical Tertiary
Iron Tertiary
Manganese Critical Tertiary
Phosphorus-Phosphates Tertiary
Silica Tertiary
Sulfur Tertiary

Materials information

Materials Type of material
Psilomelane Unknown
Pyrolusite Unknown

Nearby scientific data

Ore Body (1) 124.20734, 9.85063

Economic information

Ore body information

  • Thickness 3M
    Length 2000M
    Width 500M
    Depth to top 0M
    Field Value
    MAS Matrix # 1
    MAS Column # 4
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Degree of Wallrock Alter. NONE
    Avg. Thick. Unconsol. Mat. 0
    Date of Last Modification 780213
  • Thickness 3M
    Length 2000M
    Width 500M
    Area 300HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Primary mode of Origin RESIDUAL CONCENT
    Secondary mode of Origin OXIDATION
    Primary Ore Control CONTACT ZONE
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. NONE
    Avg. Thick. Unconsol. Mat. 1
    Total Surface Area (HA) 300
    Date of Last Modification 780213

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Significant No
Discovery year 1936
Year of first production 1939

Mining district

District name Anda Penninsula

Mineral rights holdings

Type of mineral rights Located Claim
Type of mineral rights Patented
Type of mineral rights Federal Lease

Ownership information

  • Type Operator
    Owner General Base Metals
    Home office Philippines
    Year 1975

Reserves and resources

  • Type In-situ
    Estimate year 1975
    Indicated 50000mt ore
    Demonstrated 50000mt ore
    Total resources 50000mt ore
    Commodity Subtype Grade units Group Importance Year
    Manganese Mn 40 wt-pct Manganese Trace 1975

Reference information

Bibliographic references

  • Deposit

    BASCO,DANIEL M., THE MANGANESE-BEARING LIMESTONE DEP. IN AND

  • Deposit

    BOHOL AND THEIR ECONOMIC SIGNIF.,MINING NEWSLETTER, SEPT-OCT

  • Deposit

    P.7-9

  • Deposit

    OIWA, Y.,AND OTHERS, THE MINERAL INDUST. OF JAPAN AND SE ASI

  • Deposit

    OF THE COL. SCHOOL OF MINES VOL.56, NO.4, P. 216.

  • Deposit

    FERNANDEZ,N.5,ET. AL.,1956,MANGANESE DEPOSITS OF ANDA PENN.,

  • Deposit

    PHIL. BUREAU OF MINES,SPC.11,49PGS,8PL.

  • Deposit

    PHIL. BUR.MINES,1955,INFO.CIRC.19MIN. DEPOSITS OF PHIL.

  • Deposit

    PHIL.BUR.MINES,1955,ANN.RPT-1954 PG11.

General comments

Subject category Comment text
Deposit GUINDALMAN-HIGH GRADE MASSIVE NODULES OF VARIABLE SIZE CONTAIN 56% MN; WASHED, DRIED ORE 42.5% MN,4.95% IRON,4.06% SILICA,3.7 INA,0.105% PHOS. ORE IN BOHOL IS RESIDUAL, SOFT,MOSTLY FI P PORT IS NEAR, WASHING MUST UPGRADE ORE- ESTIM. PRODUCTION R TON IS P30.50 IN 1955 (PHIL.B.M.) TOTAL OF 99000MT WAS PRO IN BOHOL 1939-1955 AVE.40%, 32-48% MN. LARGEST DEPOSIT AT T 3.5M THICK,1.5KM LONG X 400M. AT GUINDULMAN-2.5M THICK,4KM L 400M WIDE. CONCENTRATE SHIPPED FROM 1950-1955 AVE 40%MN,5.3% 5% SILICA, 5.5% ALUMINA, 0.1% PHOSPHORUS, 0.05 SULFUR. POOR Y DURING CONCENTRATING DUE TO SMALL GRAIN SIZE,-200MESH CHAR TIC.(SEE FERNANDEZ ET. AL.(1956)). EARTHY MANG. ORE IS MOST ON ANDA PENN.-AVER.9% MN,LOCALLY 40-50% MN. GRAIN SIZE AND M NT INVERSELY RELATED. IRON CONTENT INCREASES WITH SIZE OF DI AVER. MN CONTENT IS 22%;ANGULARFRAGMENTS CONTAIN 40-50% MN SH SIZE IS 12% OF EARTHY ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Erikson U.S. Bureau of Mines

Beyond USGS

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