Overview
Stage | Production |
Mine Type | Open Pit |
Commodities |
|
Mining Method |
|
Production Start | ... |
Mine Life | 2037 |
At Voro, open-pit mining was completed in January 2020. Technical studies to determine the feasibility of underground mining are under way.
In 2020, the Board approved construction of the Voro flotation plant (start-up in Q1 2023). |
Source:
p. 87
Polymetal International plc holds Voro mine through its 100% subsidiary Gold of Northern Urals CJSC.
Contractors
- Subscription is required.
Summary:
The Voro deposit is a fracture zone where the ore body generally lies in the footwall of the fault.The main mineralised zones occur within brecciated limestone and are erratic in shape, not visually identifiable and require dense grade control drilling for final delineation prior to mining. A highly variable weathering pattern is developed across the deposit, with a broad oxidation surface developed to a depth of 65 m, but zones as deep as 100 m are developed where karstic features have formed in the limestone. An extension to the main Voro deposit of mainly oxide material has been outlined in the south.
Oxidised gold at Voro occurs mostly in free form. In primary ore, gold occurs in a variety of forms. These include free, inter grown with host minerals, associated with pyrite and attached to silicates. The highly variable mineralogy of primary ore requires careful selection of processing regimes.
Summary:
The Voro deposit is mined solely by open-pit mining methods and this is expected to continue until the end of its mine life. Ultimately, the mine design is the excavation of two pits: a 240 m deep pit to the north; and an 80 m shallow pit to the south. A conventional truck-and-shovel method is employed with drilling and blasting primarily used in the deep pit. Both primary and oxidised ore are stockpiled and blended near the pit and then transported to the processing facilities located 6 km away. Waste dumps are located 1 to 2 km from the pit.
Source:
Source:
- subscription is required.
Source:
Summary:
- subscription is required.
Reserves at January 1, 2021:
Category | Tonnage | Commodity | Grade | Contained Metal |
Proven
|
7,710 kt
|
Gold
|
1.4 g/t
|
347 koz
|
Proven
|
7,710 kt
|
Silver
|
3 g/t
|
696 koz
|
Proven
|
7,710 kt
|
Gold Equivalent
|
1.4 g/t
|
353 koz
|
Probable
|
150 kt
|
Gold
|
4.6 g/t
|
23 koz
|
Probable
|
150 kt
|
Silver
|
10 g/t
|
51 koz
|
Probable
|
150 kt
|
Gold Equivalent
|
4.7 g/t
|
23 koz
|
Proven & Probable
|
7,860 kt
|
Gold
|
1.5 g/t
|
370 koz
|
Proven & Probable
|
7,860 kt
|
Silver
|
3 g/t
|
747 koz
|
Proven & Probable
|
7,860 kt
|
Gold Equivalent
|
1.5 g/t
|
376 koz
|
Measured
|
180 kt
|
Gold
|
2.8 g/t
|
16 koz
|
Measured
|
180 kt
|
Silver
|
7 g/t
|
38 koz
|
Measured
|
180 kt
|
Gold Equivalent
|
2.9 g/t
|
16 koz
|
Indicated
|
40 kt
|
Gold
|
2.9 g/t
|
4 koz
|
Indicated
|
40 kt
|
Silver
|
4 g/t
|
5 koz
|
Indicated
|
40 kt
|
Gold Equivalent
|
3 g/t
|
4 koz
|
Measured & Indicated
|
220 kt
|
Gold
|
2.9 g/t
|
20 koz
|
Measured & Indicated
|
220 kt
|
Silver
|
6 g/t
|
43 koz
|
Measured & Indicated
|
220 kt
|
Gold Equivalent
|
2.9 g/t
|
20 koz
|
Commodity Production Costs:
| Commodity | Units | 2020 | 2019 | 2018 | 2017 |
Total cash costs
|
Gold Equivalent
|
USD
|
......
|
......
|
391 / oz
|
383 / oz
|
All-in sustaining costs (AISC)
|
Gold Equivalent
|
USD
|
......
|
......
|
477 / oz
|
532 / oz
|
Financials:
| Units | 2020 | 2019 | 2018 | 2017 |
Sustaining costs
|
M USD
| ...... |
|
|
|
Capital expenditures
|
M USD
| ...... |
......
|
1
|
3
|
Revenue
|
M USD
| ...... |
......
|
134
|
155
|
EBITDA
|
M USD
| ...... |
......
|
88
|
97
|
Corporate Filings & Presentations:
- Subscription is required.
- Subscription is required.