Overview
| Stage | Production |
| Mine Type | Open Pit |
| Commodities |
- Copper
- Molybdenum
- Gold
- Silver
|
| Mining Method |
|
| Processing |
- Crush & Screen plant
- Filter press plant
- Dewatering
- Flotation
- ROM/dump leach
- Solvent Extraction & Electrowinning
|
| Mine Life | 2039 |
In April 2020, operations at Chino were suspended to address COVID-19 concerns. A review of options for restarting Chino operations was completed in the second half of 2020. In January 2021, FCX restarted mining activities at the Chino mine at a reduced rate of approximately 100 million pounds of copper per year (approximately 50 percent capacity). |
| Latest News | Freeport-McMoRan Reports Third-Quarter and Nine-Month 2020 Results October 22, 2020 |
Source:
p. 4
| Company | Interest | Ownership |
|
Freeport-McMoRan Inc.
|
100 %
|
Indirect
|
|
Freeport Minerals Corp.
(operator)
|
100 %
|
Direct
|
Summary:
The Chino mine is a porphyry copper deposit with adjacent copper skarn deposits. There is leachable oxide and secondary sulfide mineralization, and millable primary sulfide mineralization. The predominant oxide copper mineral is chrysocolla. Chalcocite is the most important secondary copper sulfide mineral, and chalcopyrite and molybdenite the dominant primary sulfides.
Summary:
The available mining fleet consists of thirty-five 240-metric ton haul trucks loaded by four shovels with bucket sizes ranging from 31 to 48 cubic meters, which are capable of moving an average of 235,000 metric tons of material per day.
Processing
- Crush & Screen plant
- Filter press plant
- Dewatering
- Flotation
- ROM/dump leach
- Solvent Extraction & Electrowinning
Source:
Summary:
The Chino operation consists of a 36,000 metric ton-per-day concentrator that produces copper and molybdenum concentrate, and a 150 million pound-per-year SX/EW plant that produces copper cathode from solution generated by ROM leaching.
Production:
| Commodity | Units | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
|
Copper
|
M lbs
| ...... | ...... | 173 | 215 | 308 | 314 | 250 |
|
Molybdenum
|
M lbs
| | | | | | | ...... |
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Operational Metrics:
| Metrics | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|
Daily mining capacity
| ...... | 235,000 t | 235,000 t | 235,000 t | 235,000 t | 235,000 t |
|
Daily milling capacity
| ...... | 36,000 t | 36,000 t | 36,000 t | 36,000 t | 36,000 t |
|
Annual production capacity
| ...... | 150 M lbs of copper cathode | 150 M lbs of copper cathode | 150 M lbs of copper cathode | 150 M lbs of copper cathode | 150 M lbs of copper cathode |
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Reserves at December 31, 2020:
Cut-off grades for reserves are:
- Mill - 0.22 % Cu;
- ROM leach - 0.07% Cu.
| Category | OreType | Tonnage | Commodity | Grade | Recoverable Metal |
|
Proven
|
ROM leach
|
87 Mt
|
Copper
|
0.28 %
|
|
|
Proven
|
Sulphide
|
143 Mt
|
Copper
|
0.53 %
|
|
|
Proven
|
Sulphide
|
143 Mt
|
Gold
|
0.04 g/t
|
|
|
Proven
|
Sulphide
|
143 Mt
|
Silver
|
0.89 g/t
|
|
|
Probable
|
ROM leach
|
13 Mt
|
Copper
|
0.27 %
|
|
|
Probable
|
Sulphide
|
70 Mt
|
Copper
|
0.49 %
|
|
|
Probable
|
Sulphide
|
70 Mt
|
Gold
|
0.05 g/t
|
|
|
Probable
|
Sulphide
|
70 Mt
|
Silver
|
0.92 g/t
|
|
|
Proven & Probable
|
ROM leach
|
100 Mt
|
Copper
|
0.28 %
|
300 M lbs
|
|
Proven & Probable
|
Sulphide
|
213 Mt
|
Copper
|
0.51 %
|
1,900 M lbs
|
|
Proven & Probable
|
Sulphide
|
213 Mt
|
Gold
|
0.05 g/t
|
200 koz
|
|
Proven & Probable
|
Sulphide
|
213 Mt
|
Silver
|
0.9 g/t
|
4.8 M oz
|
|
Total Resource
|
ROM leach
|
30 Mt
|
Copper
|
0.25 %
|
|
|
Total Resource
|
Sulphide
|
260 Mt
|
Copper
|
0.47 %
|
|
|
Total Resource
|
Total
|
291 Mt
|
Copper
|
0.45 %
|
|
|
Total Resource
|
Sulphide
|
260 Mt
|
Molybdenum
|
0.01 %
|
|
|
Total Resource
|
Sulphide
|
260 Mt
|
Gold
|
0.04 g/t
|
|
|
Total Resource
|
Sulphide
|
260 Mt
|
Silver
|
0.9 g/t
|
|
Heavy Mobile Equipment as of December 31, 2020:
| HME Type | Size | Quantity |
|
Shovel
|
48 cu. m
|
.......................
|
|
Truck (haul)
|
240 t
|
.......................
|
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