| Company | Atalaya Mining Plc |
| Mine | Riotinto Copper Project (Cerro Colorado) |
| Date | 2016 |
| Region | Huelva Province, Spain |
| Commodities | Copper, Silver |
| Mine Type | Open Pit |
| Throughput | 9.5 Mt/y |
| Mine Life | 17 years |
| Status | Operating |
Executive Summary
The Riotinto Copper Project, operated by Atalaya Mining Plc in Huelva Province, Spain, is an active open-pit mining operation focused on copper sulfide ore extraction from the Cerro Colorado deposit. Following a successful refurbishment and expansion program completed in 2016, the project achieved commercial production with a target throughput of 9.5 million tonnes per year. The mine life is estimated at 17 years, supported by mineral reserves of approximately 153 million tonnes grading 0.45% copper. The operation utilizes conventional truck and excavator mining methods with a declining cutoff strategy to maximize economic value.
Metallurgical processing involves a conventional froth flotation circuit designed to produce copper concentrates. The plant features a three-stage crushing circuit using gyratory and cone crushers, followed by grinding in ball mills and regrind mills to achieve the necessary liberation sizes. The flotation circuit includes rougher, scavenger, and cleaner stages to recover chalcopyrite and pyrite, resulting in a final concentrate grade of approximately 21% copper with significant silver credits. The process is supported by advanced control systems and water recycling infrastructure to manage environmental impacts and operational efficiency.
Economic analysis indicates a project Net Present Value (NPV) of $445 million at an 8% discount rate, with cash costs (C1) averaging $1.96 per pound of copper sold. The project includes comprehensive environmental management plans, including a Final Restoration Plan (FRP) and Tailings Management Facility (TMF) upgrades to ensure long-term stability and compliance with Spanish regulations. Recommendations focus on optimizing processing operations, converting inferred resources, and maintaining safety and environmental standards throughout the life of the mine.
Reports
Entities
Concepts
Website: https://atalayamining.com/operations/riotinto-district/cerro-colorado/
Report Date: 2016
Region: Huelva Province, Spain
Project Status: Operating
Commodity: Copper, Silver
Throughput: 9.5 Mt/y
Mine Life: 17 years
Mine Type: Open Pit
Ore type:
