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Mutoshi

Producer in Katanga, Congo (Kinshasa) with commodities Copper, Cobalt
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Geologic information

Identification information

Deposit ID 10159261
MRDS ID W029734
MAS/MILS ID 7660400009
Record type Site
Current site name Mutoshi
Alternate or previous names Mutoshi Ruwe

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 25.5338, -10.6782 (WGS84)
Elevation 1430
Location accuracy 1000(meters)
Relative position Located near center of flooded pit on Google Earth. Shares the same outline as the former Ruwe gold deposit.
(click for info)

Geographic areas

Country State
Congo (Kinshasa) Katanga

Comments on the location information

  • IN CONNECTION WITH THE RAILWAY-LINE KOLWEZI TO LIBOTO [copied from deleted record W029734 =10079671]

Commodities

Commodity Importance
Copper Primary
Cobalt Secondary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Malachite Ore
Bornite Unknown
Carrollite Unknown
Dolomite Unknown
Carrollite Unknown
Chalcopyrite Unknown
Malachite Unknown

Analytical data

Result 1/8% C (Is this a typo? Should it be Cu?)

Mineral occurrence model information

Model code 197
USGS model code 30b
BC deposit profile E04
Deposit model name Sediment-hosted Cu
Mark3 model number 63

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

Ore Body (1) 25.5338, -10.6782
ListMap

Ore body information

  • Dip 20W
    Thickness 150M
    Length 1500M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 SEDIMENTARY
    Shape of Orebody #2 IRREGULAR
    Primary mode of Origin OXIDATION
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 DOLOMITIZATION
    Strike And Dip
    Date of Last Modification 830712
  • Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin OXIDATION
    Secondary mode of Origin SEDIMENTATION
    Primary Ore Control FRACTURING
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 PROPYLITIC
    Type of Wallrock Alter. #2 DOLOMITIZATION
    Date of Last Modification 830712

Comments on the geologic information

  • MINERALIZATION OF THE SDM BEDS IS MOSTLY OXIDES OF COPPER WITH MINOR OCCURRENCES OF COBALT-MALACHITE AND SPHEROCOBALTITE.
  • THERE ARE TWO SEPARATE MINERALIZED ZONES WHICH MAKE UP THE COPPER DEPOSITS: THE RAT BRECCIA IS ABOUT 40 METERS THICK AND THE SDM IS 30 METERS THICK; BOTH OCCUR IN THE ROAN SUPERGROUP. RAT BRECCIA IS A DOLOMITIC SANDSTONE/SILTSTONE.

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Metallic
Significant Yes
Discovery year 1903
Year of first production 1945
Milling method Flotation

Mining district

District name Kolwezi District

Ownership information

  • Type Owner
    Owner Zaire Government
    Interest 100
    Home office Zaire
    Year 1981
  • Type Operator
    Owner La Generale Des Carrieres Et Mines Du Zaire (State Owned) (Gecamines)
    Home office Zaire
    Year 1981

Production statistics

  • Year 1980
    Description Copper Output; Conc. Out 28% Cu, 1.54% Co; Ore Input Was 3 Wt% Cu, .4 Wt% Co 2500000 Metric Tons Ore/Yr
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Cobalt Cobalt 2wt-pct
    Major Copper Copper 28wt-pct

Comments on the production information

  • CAPACITY ABOUT 2.5 MILLION TPY; [copied from deleted record W029734 =10079671]

Reserves and resources

  • Type In-situ
    Estimate year 2011
    Total endowment 10,000,000metric tons
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 4 wt-pct Copper Primary 2011

Comments on the reserve resource information

  • JAN. 1,1980 RESERVES CONTAINED IN MUTOSHI RAT BRECCIA AND MUTOSHI SDM.
  • New deposit type-subtype: Redbed-associated stratabound copper deposit-Reduced-facies carbonate ecaille

Workings at the site

  • Type of workings Surface
    Area 2000HA
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 62
    Hardness of Ore M-HARD ROCKS
    Capacity 5548
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 4.36
    Units of Production $/MT ORE
    Operating Days per Year 310
    Operating Shifts per Day 3
    Year of Information 1981
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Percent Waste Rock 62
    Hardness of Ore M-HARD ROCKS
    Capacity 2516
    Capacity Units MT ORE/DAY
    Preprod. Stripping Vol. 0
    Unit Production Cost 4.36
    Units of Production $/MT ORE
    Operating Days per Year 310
    Operating Shifts per Day 3
    Year of Information 1981

Comments on other economic factors

  • AT FIRST ONLY THE PRECIOUS METALS GOLD, PLATINUM,PALLADIUM, AND VANADIUM WERE EXTRACTED. SINCE 1949 COPPER ORE MINING [copied from deleted record W029734 =10079671]

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
U.S. Bureau of Mines Minerals Availability System MAS 7660400009
USGS Mineral Resources Data System MRDS W029734 MAS references MRDS

Bibliographic references

  • Deposit

    WORLD MINING, E. WEBERG "HOW U.S. EQUIPMENT IS USED AT MUSONOI CU-CO OPEN PIT. FEBRUARY 1957, PP. 40 - 44.

  • Reserve-Resource

    Wilson, A.B., Causey, J.D., Kirschbaum, M.J., Taylor, C.d., and Zientek, M.L,, 2011, Database of Sediment-Hosted Copper Deposits in the Central African Copperbelt, Democratic Republic of the Congo and Zambia: U.S. Geological Survey Scientific Investigation Report 2010-5090x

  • Deposit

    BGR, APRIL 1974, ROHSTOFFWIRTSCHAFTLICHE LAENDERBERICHTE, III, ZAIRE; P.46

  • Deposit

    GOLDER REPORT ON MUTOSHI RUWE 1980

  • Deposit

    C. AGUIRE VARIOUS REPORTS FOR USBM UNPUBLISHED 1979

  • Deposit

    WORLD MINING VARIOUS REPORTS APRIL 1970 PP. 21-24

  • Deposit

    DEMESMAEKER, G., FRANCOIS A., OOSTERBOSCH, R., LA TECTONIQUE DES GISEMENTS CUPRIFERES STRATIFORMES DU KATANGA IN: LOMBARD, J., NICOLINI, P., ED., GISEMENTS STRATIFORMES DE CUIVRE EN AFRIQUE, 2E, PARTIE, ASSOCIATION DES SERVICES GEOLOGIQUES AFRICAINS, PARIS, 1963, PP. 47-115.

  • Deposit

    Anvil Mining Ltd., 2006, Exploration 2006, Kolwezi Mine Tour, Sept., 2006: Anvil Mining Ltd., 12 p. accessed March 2, 2010, at http://www.anvilmining.com/files/060916%20NJF%20Kolwezi%20Exploration%20Summary.pdf.

  • Deposit

    GECAMINES ANNUAL REPORTs, 1967-1978.

  • Deposit

    GEOLOGICAL BACKGROUND TO THE COPPER BEARING STRATA OF SOUTHERN SHABA (ZAIRE). L. COHEN. GISEMENTS STRATIFORME ET PROVINCES CUPRIFIERS, LIEGE, 1974, PP. 57-77.

  • Deposit

    PERSONAL COMMUNICATIONS.

  • Deposit

    STRATIGRAPHIE, TECTONIQUE ET MINERALISATIONS DANS L'ARC CUPRIFERE DU SHABA (REPUBLIQUE DU ZAIRE). A. FRANCOIS. CENTENAIRE DE LA SOCIETE GEOLOGIQUE DE BELGIQUE. GISEMENTS STRATIFORMS ET PROVINCES CUPRIFERES, LIEGE, 1974, PP. 79-101.

  • Deposit

    ZAIRE, ENGINEERING AND MINING JOURNAL, NOVEMBER 1979, PP. 188-206.

General comments

Subject category Comment text
Deposit Original MRDS record W029734 lists Copper primary and Co, Au, Pt, Pd, and V all as Secondary minerals. Most of these are associated with the older Ruwe mine that predates the Mutoshi copper deposit.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-78 Saam, Henning G. U.S. Geological Survey MRDS W029734 = newMRDS 10079671
Reporter 01-MAR-88 Orris, Greta J. U.S. Geological Survey MRDS W029734 = newMRDS 10079671
Reporter 27-DEC-94 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines
Editor 15-FEB-10 Wilson, Anna B. U.S. Geological Survey MRDS W029734 = newMRDS 10079671, merged and deleted.