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Rio Tuba Mine

Producer in Palawan, Philippines with commodities Nickel, Iron
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Geologic information

Identification information

Deposit ID 10024523
MRDS ID ISM0248
Record type Site
Current site name Rio Tuba Mine
Alternate or previous names Guintalungan Deposit, Mangigidong Deposit

Geographic coordinates

Geographic coordinates: 117.40496, 8.58685 (WGS84)
Elevation 568
Relative position ORE BODY; 100 M
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Geographic areas

Country State
Philippines Palawan

Comments on the location information

  • SOUTHWEST PALAWAN ISLAND

Commodities

Commodity Importance
Nickel Primary
Iron Primary

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Pyroxenite

Nearby scientific data

(1) 117.40496, 8.58685
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Geologic structures

Type of structure Regional
Structure description Tropical Weathering Of Ultramafic Rocks

Comments on the geologic information

  • ; GRNR + LMON; DSPR + CLRT + TALC; ULTRAMAFIC ROCKS EMPLACED DURING THE CRETACEOUS WERE LATER SUBJECTED TO TROPICAL WEATHERING. THE LATERITE IS AN I-RREGULAR, TABULAR BODY.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No
Discovery year 1967
Year of first production 1977
Year of last production >1983

Ownership information

  • Type Operator
    Owner Pacific Metals Co., Ltd.
  • Type Owner
    Owner Rio Tinto Exploration, Ltd.
    Home office Johannesburg, R.S.A.

Production statistics

  • Year 1977
    Material ORE NI
    Accuracy Estimate
    Description Ap_Grade: ^2.2% Ni
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Nickel Nickel 2wt-pct

Comments on the production information

  • UNKNOWN UNKNOWNJAPAN WILL TAKE ENTIRE OUTPUT OF RIO TUBA MINE.

Reserves and resources

  • Type In-situ
    Estimate year 1977
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 2.19 wt-pct Nickel Major 1977
  • Type In-situ
    Estimate year 1981
    Commodity Subtype Grade units Group Importance Year
    Nickel Ni 2.2 wt-pct Nickel Major 1981

Comments on development

  • NON-GEOLOGIC CONSTRAINTS ON DEVELOPMENT OR EXPANSION IN 1-5 YRS. (). DEVELOPMENT(YES);

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS ISM0248
USGS International Strategic Minerals Inventory ISMI NI074
USGS BGR BGR PA01905
U.S. Bureau of Mines Minerals Availability System MAS 5650270013

Bibliographic references

  • Deposit

    WORLD MINING, 1977, WHAT'S GOING ON IN WORLD MINING: WORLD MINING, V. 30, NO. 9, P. 99. (PA1, RR3)

  • Deposit

    MINING JOURNAL, 1977, INDUSTRY IN ACTION--FIRST SHIPMENT FROM RIO TUBA: MINING JOURNAL, V. 288, NO. 7395, P. 370.

  • Deposit

    ROSKILL INFORMATION SERVICES, 1981, THE ECONOMICS OF NICKEL, 3D ED.: LONDON, ROSKILL INFORMATION SERVICES LTD., [-498] P. (PA2, RR2, RR25)

  • Deposit

    WOLFF, FRIEDRICH, 1978, ROHSTOFFWIRTSCHAFTLICHE LANDERBERICHTE XV. PHILIPPINEN: HANNOVER (GERMANY, FEDERAL REPUB-LIC), BUNDESANSTALT FUR GEOWISSENSCHAFTEN UND ROHSTOFFE, 190 P-.

  • Production

    PA1: RF1; PA2: RF3

General comments

Subject category Comment text
Deposit THIS RECORD WAS COMPILED FOR THE INTERNATIONAL STRATEGIC MINERALS INVENTORY. THE DATA WERE USED IN PREPARATION OF THE USGS CIRCULAR 930 SERIES OF REPORTS. MINERAL RESOURCE CATEGORIES AND CODES HEREIN ARE FROM THE INTERNATIONAL CLASSIFICATION SYSTEM RECOMMENDED BY THE UNITED NATIONS GROUP OF EXPERTS ON DEFINITIONS AND TERMINOLOGY FOR MINERAL RESOURCES. (SEE NATIONAL RESOURCES FORUM, V. 4, NO. 3, P. 307-313.). SURFACE 7 M

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1983 Foose, Michael P. U.S. Geological Survey