Overview
Status | Care and Maintenance |
Mine Type | Underground |
Commodities |
|
Mining Method |
- Sub-level open stoping (SLOS)
- Shrinkage stoping
- Longwall
- Room-and-pillar
|
Mining at Goltsovoye has now been completed with the operation transferred to care and maintenance. |
Source:
Polymetal International plc holds Dukat hub through its 100% subsidiary Magadan Silver JSC.
Contractors
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Summary:
Goltsovoye is a typical narrow-vein deposit of multiple ore bodies with an average width of 4.6 m. In addition to silver, the ore also contains amounts of lead as well as traces of zinc and copper. The distribution of silver in the veins and geometry of ore bodies is highly irregular and requires a substantial amount of in-fill drilling to convert resources to reserves. Most ore bodies have a medium dip (35 to 45 degrees). They can be traced for up to 565 m along strike and are open down dip. The major ore minerals are sulphides, including galena, freibergite, and other silver sulphides.
Mining Methods
- Sub-level open stoping (SLOS)
- Shrinkage stoping
- Longwall
- Room-and-pillar
Summary:
Underground conditions at Goltsovoye are generally favourable, with competent host rock. The ore is of variable competency, with some weak stopes closer to the surface. All underground workings are located in permafrost, with limited support being provided by steel anchors and wire mesh. The mining methods include sub-level open stoping (50 per cent. of ore, used for steeply dipping relatively wide ore bodies), shrinkage stoping (25 per cent., steeply dipping narrow veins), longwall mining (15 per cent., shallow-dip narrow veins) and inclined room-and pillar (10 per cent., shallow-dip wide ore bodies).
Source:
Summary:
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Production:
Commodity | Units | 2019 | 2018 | 2017 |
Silver
|
oz
| ...... | 0 | 0 |
All production numbers are expressed as metal in doré.
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Operational Metrics:
Metrics | 2019 | 2018 | 2017 |
Ore tonnes mined
| 253 kt | 193 kt | 190 kt |
Reserves at January 1, 2020:
Category | Tonnage | Commodity | Grade | Contained Metal |
Proven
|
60 kt
|
Silver
|
355 g/t
|
671 koz
|
Proven
|
60 kt
|
Gold Equivalent
|
4.4 g/t
|
8 koz
|
Measured
|
80 kt
|
Silver
|
1018 g/t
|
2,625 koz
|
Measured
|
80 kt
|
Gold Equivalent
|
12.7 g/t
|
33 koz
|
Indicated
|
90 kt
|
Silver
|
796 g/t
|
2,331 koz
|
Indicated
|
90 kt
|
Gold Equivalent
|
9.9 g/t
|
29 koz
|
Measured & Indicated
|
170 kt
|
Silver
|
900 g/t
|
4,956 koz
|
Measured & Indicated
|
170 kt
|
Gold Equivalent
|
11.2 g/t
|
62 koz
|
Inferred
|
120 kt
|
Silver
|
703 g/t
|
2,689 koz
|
Inferred
|
120 kt
|
Gold Equivalent
|
8.8 g/t
|
34 koz
|
Total Resource
|
290 kt
|
Silver
|
819 g/t
|
7,645 koz
|
Total Resource
|
290 kt
|
Gold Equivalent
|
10.2 g/t
|
96 koz
|
Corporate Filings & Presentations:
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