Lumwana Project

Prospect in North-Western, Zambia with commodities Copper, Cobalt

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Commodities
Materials information
Nearby scientific data
Ore body information
Economic information about the deposit and operations
Mining district
Ownership information
Reserves and resources
Workings at the site
Links to other databases
Bibliographic references
General comments
Reporter information

Geologic information

Identification information

Deposit ID	10183561
MAS/MILS ID	7940300009
Record type	District
Current site name	Lumwana Project
Alternate or previous names	Mombezhi Dome Area

Comments on the site identification

Record is for the Mombezhi Dome Area where the Lumwana Project is located. It contains 3 deposits: Malundwe, Chimiwungo, and Lubwe.

Geographic coordinates

Point of reference	Geographic coordinates:	Precision	Relative position
Ore Body	25.88466, -12.28073 (WGS84)	1000
(click for info)
	25.9511, -12.179 (WGS84)	10	This is location of the Lubwe deposit used in the Central African Copperbelt Sediment-hosted Copper assessment.

Site location context

Political divisions (FIPS codes)

North-Western(province)

Zambia(country)

Africa(continent)

Land(continent)

Geographic areas

Country	State
Zambia	North-Western

Commodities

Commodity	Importance
Copper	Primary
Cobalt Critical	Secondary

Materials information

Materials	Type of material
Bornite	Unknown
Chalcocite	Unknown
Chalcopyrite	Unknown
Pyrite	Unknown
Pyrrhotite	Unknown

Nearby scientific data

Ore Body (1)	25.88466, -12.28073	ListMap
(2)	25.9511, -12.179	ListMap

Economic information

Ore body information

Strike

N80E

Dip

17S

Thickness

75M

Length

4500M

Width

3000M

Depth to top

175M

Field	Value
MAS Matrix #	1
MAS Column #	3
Type of Orebody #1	FISSURE VEIN
Shape of Orebody #1	TABULAR
Type of Orebody #2	DISSEMINATED
Type of Orebody #3	SEDIMENTARY
Primary mode of Origin	SEDIMENTATION
Secondary mode of Origin	METAMORPHISM
Primary Ore Control	UNKNOWN
Secondary Ore Control	BEDDING
Degree of Wallrock Alter.	NONE
Type of Wallrock Alter. #1	POTASSIC
Strike And Dip	N80E:17S
Minimum Depth to Top	40
Avg. Thick. Unconsol. Mat.	20
Min. Thick. Unconsol. Mat.	10
Date of Last Modification	791105

Area 1200HA

Field Value

Total Surface Area (HA) 1200

Date of Last Modification 910418

Economic information about the deposit and operations

Operation type	Surface
Development status	Prospect
Commodity type	Metallic
Significant	Yes
Discovery year	1960
Milling method	Flotation

Mining district

District name	Lumwana

Ownership information

Type Owner

Owner Government Republic Of Zambia-Zimco

Interest 51

Home office Zambia

Year 1978
Type Owner-Operator

Owner Mwinilunga Mines Ltd

Interest 49

Home office Zambia

Year 1978

Type	Owner
Owner	Government Republic Of Zambia-Zimco
Interest	51
Home office	Zambia
Year	1978

Type	Owner-Operator
Owner	Mwinilunga Mines Ltd
Interest	49
Home office	Zambia
Year	1978

Reserves and resources

Type In-situ

Estimate year 1977

Total resources 821742000mt ore

Commodity Subtype Grade units Group Importance Year

Copper Cu 0.66 wt-pct Copper Major 1977

Type

In-situ

Name

Lubwe, resource

Estimate year

1991

Total resources

70000000mt

Remarks

Lubwe resources: 70Mt@0.8% Cu

Commodity	Subtype	Grade	units	Group	Importance	Year
Copper		0.8	wt-pct	Copper	Primary	1991

Type

In-situ

Name

Malundwe, measured+indicated

Estimate year

2008

Demonstrated

142000000mt

Remarks

Malundwe, measured + indicated =\n142Mt@ 0.91% Cu and 0.015% Co (Davis and others, 2008, p. 63)

Commodity	Subtype	Grade	units	Group	Importance	Year
Copper		0.91	wt-pct	Copper	Primary	2008
Cobalt		0.015	wt-pct	Cobalt	Secondary	2008

Type

In-situ

Name

Malundwe, inferred

Estimate year

2008

Inferred

19700000mt

Total endowment

992600000mt

Remarks

Malundwe, inferred:\n19.7Mt @ 0.74% Cu and 0.01% Co (Davis and others, 2008, p. 63).

Commodity	Subtype	Grade	units	Group	Importance	Year
Copper		0.74	wt-pct	Copper	Primary	2008
Cobalt		0.01	wt-pct	Cobalt	Secondary	2008

Type

In-situ

Name

Chimiwungo, measured + indicated

Estimate year

2008

Demonstrated

216200000mt

Total endowment

992600000mt

Remarks

Chimiwungo, measured + indicated:\n216.2Mt @ 0.66% Cu and 0.021% Co\n(Davis and others, 2008, p. 63)

Commodity	Subtype	Grade	units	Group	Importance	Year
Copper		0.66	wt-pct	Copper	Primary	2008
Cobalt		0.021	wt-pct	Cobalt	Secondary	2008

Type In-situ

Name Chimiwungo, inferred

Estimate year 2008

Inferred 544700000mt

Remarks Chimiwungo, inferred:\n544.7Mt@ 0.63% cu and 0.005% co (Davisi and others, 2008, p. 63)
Type In-situ

Name Lumwana Project Total

Estimate year 2008

Total endowment 992600000mt

Remarks sum of Lubwe + Chimiwungo + Malundwe

Type	In-situ
Name	Chimiwungo, inferred
Estimate year	2008
Inferred	544700000mt
Remarks	Chimiwungo, inferred:\n544.7Mt@ 0.63% cu and 0.005% co (Davisi and others, 2008, p. 63)

Type	In-situ
Name	Lumwana Project Total
Estimate year	2008
Total endowment	992600000mt
Remarks	sum of Lubwe + Chimiwungo + Malundwe

Comments on the reserve resource information

RESERVE AT CU CUTOFF GRADE OF 0.3% CU. AT CU CUTOFF GRADE OF 0.6% CU,THERE ARE 350,000,000 MT AT 1.0% CU

Workings at the site

Type of workings

Surface

Field	Value
MAS Development Schedule #	1
Mining Record #	1
Status of Mining Method	PROPOSED
Mining Method	BENCH (BERM)
Swell Factor	.65
Percent Waste Rock	75
Avg. Overburden Thickness	150
Primary Material Cover	SAND, SILT
Percentage	7
Secondary Material Cover	HARDPAN
Percentage	23
Tertiary Material Cover	HARD ROCKS
Percentage	70
Hardness of Ore	HARD ROCKS
Avg. Bench Height (meters)	15
Max. Pit Slope (degrees)	45
Capacity	62565
Capacity Units	MT ORE/DAY
Preprod. Stripping Vol.	36000
Unit Production Cost	6.35
Units of Production	$/MT ORE
Operating Days per Year	350
Operating Shifts per Day	3
Year of Information	1979

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
U.S. Bureau of Mines	Minerals Availability System	MAS	7940300009

Bibliographic references

Deposit

MINING JOURNAL, FEASIBILITY STUDY AT LUMWANA. NOV. 14,1975, P. 372.
Deposit

Kirkham, R.V, Carriere, J.J., Laramee, R.M., and Garson, D.F., 1994, Global distribution of sediment-hosted stratiform copper deposits and occurrences: Geological Survey of Canada Open File 2915b, 256 p.
Deposit

BENHAM, D. G., GREIG, D.D., AND VINK, B. W. COPPER OCCURRENCES OF THE MOMBEZHI DOME AREA, NORTHWESTERN ZAMBIA. ECONOMIC GEOLOGY, V. 71, 1976, P. 433-442.
Deposit

Davis, Michael; Bertinshaw, Ross; Guibal, Daniel; Daley, Andrew; and Hanbury, Robert, 2008, Lumwana Project North Western Province, Republic of Zambia, Technical Report, June 2008: Report prepared by Ausenco Services Pty Ltd., 108 p. (Available for download at www.sedar.com [Equinox Minerals Ltd., Technical Report (NI 43-101), filed June 13, 2008]).
Deposit

Bertinshaw, Ross; Guibal, Daniel; Daley, Andrew; and Rigo, Robert, 2009, Lumwana Project, north western Province, Republic of Zambia, Technical Report, June, 2008, (refiled April 2009): Report prepared by Golder Associates Pty Ltd, SRK Consulting (Australasia) Pty Ltd, Investor Resources Finance Pty Ltd, and Equinox Minerals Ltd. 106 p. (Available for downloat at www.sedar.com [Equinox Minerals Ltd, Amended and restated technical report (NI 43-101) - English, filed April 21, 2009]).
Deposit

MCGREGOR, J. A. THE LUMWANA COPPER PROSPECT IN ZAMBIA. UNPUBLISHED PH D THESIS, RHODES UNIVERSITY, SOUTH AFRICA, 1965.
Deposit

ACP Mining Data Bank [Secretariat of the African and Caribbean and Pacific Group of States Group], undated, http://mines.acp.int/html/mine_ZMB-00135_en.html
Deposit

Kirkham, Rodney, and Broughton, David, 2005, Appendix, Supplement to the sediment-hosted stratiform copper ore system, in J.W. Hedenquist, J.W., J.F.H. Thompson, J.F.H., Goldfarb, R.J., and J.P. Richards, J.P., eds., Economic Geology 100th Anniversary Volume, 1905-2005: Littleton, Colorado, Society of Economic Geologists, p. 609-642.

General comments

Subject category	Comment text
Deposit	THIS MINE WILL COME ON LINE AND FEED THE EXPANDED MILL FOR MALUNDWE AS THE MALUNDWE DEPOSIT IS MINED OUT.THE SIZE OF THE CHIMIWUNGO MINE IS SOLELY BASED UPON A COMPARABLE SIZE TO THE LARGEST SIZE OPEN PIT OPERATION IN AFRICA AT PRESENT. MINE&MILL OP COSTS WERE DETERMINED FROM MATTHEWS MANUAL AND FACTORED FOR PRODUCTIVITY DIFFERENCES(ESTIMATED). ALL OTHER OP COSTS WERE ESTIMATED FROM ACTUAL ZAMBIAN COSTS. OP COSTS ARE AS FOLLOWS: ($/MT ORE) MINING $ 5.66 FOR I-SET COSTS,DEBT MILLING $ 3.08 SERVICE WAS SPLIT 50-50 SMELTING $ 1.20 TO MINING&MILLING & REFINING $ 0.38 TRANSPORTATION OF CONCS. TRANS. $ 0.50 WAS ADDED TO SMELT./REF. DEBT SERVICE $ 1.38 CUSTOM CHARGE. TOTAL $12.20
Deposit	Lubwe is unclassified deposit type in basement schist.

Subject category

Comment text

Deposit

THIS MINE WILL COME ON LINE AND FEED THE EXPANDED MILL FOR MALUNDWE AS THE MALUNDWE DEPOSIT IS MINED OUT.THE SIZE OF THE CHIMIWUNGO MINE IS SOLELY BASED UPON A COMPARABLE SIZE TO THE LARGEST SIZE OPEN PIT OPERATION IN AFRICA AT PRESENT. MINE&MILL OP COSTS WERE DETERMINED FROM MATTHEWS MANUAL AND FACTORED FOR PRODUCTIVITY DIFFERENCES(ESTIMATED). ALL OTHER OP COSTS WERE ESTIMATED FROM ACTUAL ZAMBIAN COSTS. OP COSTS ARE AS FOLLOWS: ($/MT ORE) MINING $ 5.66 FOR I-SET COSTS,DEBT MILLING $ 3.08 SERVICE WAS SPLIT 50-50 SMELTING $ 1.20 TO MINING&MILLING & REFINING $ 0.38 TRANSPORTATION OF CONCS. TRANS. $ 0.50 WAS ADDED TO SMELT./REF. DEBT SERVICE $ 1.38 CUSTOM CHARGE. TOTAL $12.20

Deposit

Lubwe is unclassified deposit type in basement schist.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	09-JAN-95	Boyle, Ed	U.S. Bureau of Mines
Editor	03-JUN-10	Wilson, Anna B.	U.S. Geological Survey	Record contains 3 actual deposits: Malundwe, Chimiwungo, and Lubwe. All 3 are part of the Lumwana Project.

Beyond USGS

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

Lumwana Project

Geologic information

Identification information

Comments on the site identification

Geographic coordinates

Site location context

Geographic areas

Commodities

Materials information

Nearby scientific data

Economic information

Ore body information

Economic information about the deposit and operations

Mining district

Ownership information

Reserves and resources

Comments on the reserve resource information

Workings at the site

Reference information

Links to other databases

Bibliographic references

Deposit

Deposit

Deposit

Deposit

Deposit

Deposit

Deposit

Deposit

General comments

Reporter information

Beyond USGS

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