Overview
Status | Care and Maintenance |
Mine Type | Underground |
Commodities |
|
Mining Method |
- Shrinkage stoping
- Cut & Fill
|
Production Start | ... |
Mine Life | 5 years (as of Jan 1, 2021) |
The Contonga mine was placed on care and maintenance in 2019.
Contonga mine was sold to Norcobre, a company of the Compañía Minera Lincuna group on 18 May 2022. Subsequently, there has been no publicly available data on the operations of the Contonga mine. |
Source:
p. 1
Glencore's subsidiary, Empresa Minera Los Quenuales, has completed the sale of all shares issued by Contonga Minería S.A.C., a Peruvian company that holds the rights to the Contonga mine, to Norcobre S.A.C., an affiliate of Compañía Minera Lincuna S.A. This transaction was closed on 18 May 2022.
The details of the transaction, such as the price paid, are kept confidential.
Contractors
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Summary:
The Contonga mine is an underground polymetallic operation with more than 27 years of mining history. The mine site is located in the Central Peruvian Andes, 470 kilometres north-east of Lima, Peru. At the Contonga mine, vertically zoned mineralization of skarn replacement is controlled by bedding orientation. Faulting occurs predominantly in strongly folded limestone, which surrounds the well-defined Contonga stock.
The polymetallic province of central Peru forms a 120-km-wide-800-km-1ong belt which corresponds with the western Cordillera and the high plateaus of the Andes between 7 and 14". Polymetallic vein and Skarn deposits associated with Cenozoic magmatism are the principal metal producers (they account for 70, 87, and 96% of Zn, Pb, and Ag production respectively), but stratabound deposits have gained in importance during the past 20 years, mainly as Zn providers; currently they account for 30, 13, and 4% of Zn, Pb, and Ag production respectively. Two principal sedimentary metallotects have been identified.
The variety in ages and types of polymetallic deposits made this province an especially attractive target for a comprehensive study of the distribution of minor and trace elements such as Ag, Bi, Cd, In, Ge, Ga, Sn, etc. in polymetallic ores on a regional scale.
Mining Methods
- Shrinkage stoping
- Cut & Fill
Summary:
Source:
Flow Sheet:
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Reserves at December 31, 2019:
The Mineral Resources as at 31th December 2021 at Contonga mine are unchanged from 31 December 2019.
Mineral Resources are reported inclusive of Mineral Reserves.
Category | Tonnage | Commodity | Grade |
Proven
|
0.3 Mt
|
Zinc
|
3.3 %
|
Proven
|
0.3 Mt
|
Lead
|
0.8 %
|
Proven
|
0.3 Mt
|
Copper
|
0.8 %
|
Proven
|
0.3 Mt
|
Silver
|
55 g/t
|
Probable
|
0.8 Mt
|
Zinc
|
3.4 %
|
Probable
|
0.8 Mt
|
Lead
|
1.2 %
|
Probable
|
0.8 Mt
|
Copper
|
0.5 %
|
Probable
|
0.8 Mt
|
Silver
|
63 g/t
|
Proven & Probable
|
1.2 Mt
|
Zinc
|
3.4 %
|
Proven & Probable
|
1.2 Mt
|
Lead
|
1.1 %
|
Proven & Probable
|
1.2 Mt
|
Copper
|
0.6 %
|
Proven & Probable
|
1.2 Mt
|
Silver
|
61 g/t
|
Measured
|
2.5 Mt
|
Zinc
|
3.3 %
|
Measured
|
2.5 Mt
|
Lead
|
0.5 %
|
Measured
|
2.5 Mt
|
Copper
|
0.8 %
|
Measured
|
2.5 Mt
|
Silver
|
50 g/t
|
Indicated
|
5 Mt
|
Zinc
|
2.9 %
|
Indicated
|
5 Mt
|
Lead
|
0.8 %
|
Indicated
|
5 Mt
|
Copper
|
0.5 %
|
Indicated
|
5 Mt
|
Silver
|
52 g/t
|
Measured & Indicated
|
7.5 Mt
|
Zinc
|
3 %
|
Measured & Indicated
|
7.5 Mt
|
Lead
|
0.7 %
|
Measured & Indicated
|
7.5 Mt
|
Copper
|
0.8 %
|
Measured & Indicated
|
7.5 Mt
|
Silver
|
55 g/t
|
Inferred
|
4.4 Mt
|
Zinc
|
2 %
|
Inferred
|
4.4 Mt
|
Lead
|
1 %
|
Inferred
|
4.4 Mt
|
Copper
|
1 %
|
Inferred
|
4.4 Mt
|
Silver
|
49 g/t
|
Corporate Filings & Presentations:
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