Ciénega (incl. San Ramón satellite)
Ciénega has long been classified a gold mine, with more recent years becoming a strong secondary profile in silver.
| Ownership: |
100% Fresnillo plc |
| Location: |
Durango |
| Commodity: |
Gold, Silver |
| Operational since: |
1992 |
| Facilities: |
Underground mine, flotation and leaching plant |
| Workforce: |
469 employees, 489 contractors |
| Milling Capacity: |
4,000 tpd / 1,340,000 tpy |
| Average ore grade in reserves: |
2.22 Gold g/t, Silver 189 g/t |
| Total Reserves: |
635 oz Gold, 54.1 moz Silver |
| Mine Life: |
6.9 years (2016: 10.0) |
Quarterly Production
| |
4Q18
|
4Q17
|
% change
|
3Q18
|
|
Ore processed (t)
|
340,529
|
339,347
|
0.4
|
332,493
|
| |
|
|
|
|
|
Production
|
|
|
|
|
|
Gold (oz)
|
15,588
|
18,194
|
-14.3
|
18,214
|
|
Silver (koz)
|
1,703
|
1,272
|
33.9
|
1,539
|
|
Lead (t)
|
1,007
|
1,541
|
-34.7
|
1,105
|
|
Zinc (t)
|
1,767
|
1,336
|
32.2
|
1,889
|
| |
|
|
|
|
|
Ore grades
|
|
|
|
|
|
Gold (g/t)
|
1.49
|
1.76
|
-15.6
|
1.79
|
|
Silver (g/t)
|
180
|
137
|
31.4
|
169
|
|
Lead %
|
0.48
|
0.70
|
-30.8
|
0.57
|
|
Zinc %
|
0.87
|
0.81
|
7.6
|
0.95
|
History
1992
Construction commenced
1995
First full year of production, with 300,000 tpy capacity
Production
Gold
(oz)
71,947
(FY17)
% (1.2) Change
Silver
(koz)
5,394
(FY17)
% 5.1 Change
Lead
(t)
6,328
(FY17)
% 7.6 Change
Zinc
(t)
7,048
(FY17)
% (5.4) Change
Financial Highlights
Adjusted Revenue
(US$m, FY17)
198.3
% 7.2 Change
Segment Profit
(US$m, FY17)
97.1
% (3.0) Change
Captial Expenditure
(US$m, FY17)
46.5
% 42.2 Change
Exploration
(US$m, FY17)
16.5
% (17.5) Change
2018 - Summary
-
Contribution from the Taspana satellite mine increased from 15,000 to 30,000 tonnes per month while exploration continued, and the access ramp reached 1,473 metres
-
Construction of the third tailings dam, a downstream structure, continued, and is expected to be concluded in early 2019, in combination with the conclusion of the installation of a high compact thickener to optimise water consumption
-
Concluded a PEA for a 2,000 tpd expansion of the beneficiation plant at Ciénega – further evaluation required
-
One contractor company hired to develop new areas during the year
Performance Targets - 2019
- Conduct an updated economic assessment for the expansion of the beneficiation plant at the Ciénega plant
- Intensify exploration at the Rosario Transversal fault and commence exploration to the west of the San Ramón vein
- Conclude the construction of the third tailings dam
- Secure permits and begin engineering for the fourth tailings dam
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