Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
|
| Mining Method |
|
| Processing |
- Gravity separation
- Wash plant
|
| Mine Life | 31 years (as of Jan 1, 2019) |
Operations at Miski Mayo mine in Peru were closed on March 16, 2020 and resumed on May 13, 2020. |
Source:
p. 42
Summary:
The phosphates deposits of Peru are located within the shallow north-trending Sechura Basin, in the Piura region, hosting successive inter-layered marine sediments of Phosphate.
Summary:
Miski Mayo is am open pit mine with on-site beneficiation plant which is located at Sechura Province in the Piura Region, Peru.
Conventional truck and shovel method is employed for extracting phosphate rock. Mined ore is transported by trucks to the feeding platform for supply of the feeder-breakers, which feeds the conveyor belt for the beneficiation plant.
Processing
- Gravity separation
- Wash plant
Source:
Summary:
The ore is processed with successive stages of washing and gravimetric separations of seawater. The final stage of the process is washing with desalinated water to remove salts from the concentrate.
Recoveries & Grades:
| Commodity | Parameter | 2021 | 2020 | 2019 | 2018 |
|
Phosphate rock
|
Head Grade, %
| ......  | ...... | ...... | 29.7 |
Production:
| Commodity | Units | 2021 | 2020 | 2019 | 2018 | 2016 | 2015 |
|
Phosphate rock
|
kt
| ...... | ...... | ...... | 3,900 | 3,853 | 3,881 |
All production numbers are expressed as concentrate.
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Operational Metrics:
| Metrics | 2021 | 2020 | 2019 | 2018 | 2016 |
|
Annual production capacity
| ...... | ...... | 3.8 Mt of phosphate rock concentrate | 3.8 Mt of phosphate rock concentrate | 3.9 Mt of phosphate rock concentrate |
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Reserves at December 31, 2021:
| Category | Tonnage | Commodity | Grade |
|
Proven
|
109.8 Mt
|
P2O5
|
16.2 %
|
|
Probable
|
54.1 Mt
|
P2O5
|
15.1 %
|
|
Proven & Probable
|
164 Mt
|
P2O5
|
15.9 %
|
|
Measured
|
157.7 Mt
|
P2O5
|
16.7 %
|
|
Indicated
|
139 Mt
|
P2O5
|
16.3 %
|
|
Measured & Indicated
|
296.7 Mt
|
P2O5
|
16.5 %
|
|
Inferred
|
27.7 Mt
|
P2O5
|
16 %
|
Financials:
| | Units | 2021 | 2020 | 2019 | 2018 |
|
Revenue
|
M USD
| ...... | ...... | ...... | 82.6 |
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Heavy Mobile Equipment as of June 16, 2019:
| HME Type | Model |
|
Truck (haul)
|
.......................
|
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Aerial view:
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