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| Quellaveco | |
|---|---|
| Name | Quellaveco |
| Location | Moquegua, Peru |
| Coordinates | 17°26′S 70°58′W |
| Owner | Anglo American, Mitsubishi, Marubeni |
| Product | Copper |
| Opening | 2022 |
| Type | Open-pit |
Quellaveco Quellaveco is a large open-pit copper mine in the Moquegua Region of southern Peru near Arequipa, developed to exploit a porphyry copper deposit. The project was constructed by international firms and financed by global banks and export credit agencies, drawing attention from stakeholders including Anglo American plc, Mitsubishi Corporation, Marubeni Corporation, Export–Import Bank of Japan, and international investors in the London Stock Exchange and Tokyo Stock Exchange. The mine has implications for regional infrastructure such as the Pan-American Highway, local indigenous communities like the Aymara people and Quechua people, and national agencies including the Ministry of Energy and Mines (Peru).
Quellaveco lies within the Moquegua Region near the city of Moquegua and is proximate to the provinces of Mariscal Nieto Province and General Sánchez Cerro Province. The deposit forms part of the metallogenic belts of the Andes associated with magmatism tied to the Nazca Plate subduction beneath the South American Plate. Its development involves collaboration among multinational corporations such as Anglo American plc, Mitsubishi Corporation, and Marubeni Corporation and engagement with Peruvian institutions like the Superintendencia Nacional de Servicios de Saneamiento and the Peruvian Institute of Mining Engineers. Financing and offtake discussions have implicated entities such as the Development Bank of Japan, Sumitomo Mitsui Banking Corporation, HSBC, Standard Chartered, and export credit agencies from Japan and United Kingdom.
Exploration activity in the Quellaveco area traces to early concessions held by companies including BHP Group and national exploration programs during the 20th century connected to mining booms in Peru and the Andean Copper Belt. In the 1990s and 2000s, juniors and majors such as Monterrico Metals plc, Xstrata, and Glencore undertook feasibility and drilling programs. The modern development phase advanced when Anglo American plc negotiated acquisition and joint-venture terms with Mitsubishi Corporation and Marubeni Corporation, culminating in construction contracts awarded to engineering, procurement and construction contractors including Fluor Corporation and Bechtel. Construction and commissioning phases involved contractors and equipment suppliers like Caterpillar Inc., Sandvik AB, Outotec (now part of Metso Outotec), and logistics partners working with ports such as Port of Matarani and rail and road networks tied to the Pan-American Highway. Social negotiations involved organizations including Sociedad Nacional de Minería, Petróleo y Energía and international NGOs such as Oxfam and International Finance Corporation observers during permitting stages overseen by the Ministry of Economy and Finance (Peru).
The deposit at Quellaveco is a porphyry-style copper system hosted in Tertiary volcanosedimentary sequences characteristic of the central and southern Andes. Geological controls include intrusive phases comparable to those described at Las Bambas, Toquepala, Antamina, and Cerro Verde. Mineralization comprises chalcopyrite, bornite, and subordinate molybdenite with alteration zones reminiscent of porphyries in Chile such as Escondida and Chuquicamata. Structural settings relate to regional fault systems like the Atacama Fault and tectonic uplift from the Altiplano-Puna plateau. Geochemical surveys and geophysical campaigns used signatures comparable to studies at Oyu Tolgoi and Mount Isa to define resources compliant with reporting standards used on exchanges such as the London Stock Exchange and the Toronto Stock Exchange.
Quellaveco operates as a large-scale open-pit mine employing fleet and shovel mining analogous to operations at Cerro Verde and Toquepala. Mining contractors utilize equipment from Caterpillar Inc., Komatsu Limited, and haulage strategies influenced by best practices from Bingham Canyon Mine and Morenci Mine. Blasting and fragmentation programs draw on consultants and firms like Orica Limited and Dyno Nobel, while mine planning uses software from Dassault Systèmes and Hexagon AB. Water management and tailings strategies consider precedents from Las Bambas and Antamina, with dewatering and slope stability monitoring advised by specialist firms previously engaged at Oyu Tolgoi and Escondida.
The concentrator at Quellaveco uses conventional grinding and flotation circuits producing a copper concentrate for smelting and refining in facilities similar to those supplied to Codelco and Freeport-McMoRan operations. Metallurgical flowsheets integrate primary crushers, SAG and ball mills, flotation banks, and concentrate filtration, with suppliers including Metso Outotec, FLSmidth, and Outotec. Offtake of concentrate targets smelters and refineries such as Shenzhen Shunlong Metal Materials, Toquepala smelter, and global refiners in China and Japan; logistics involve ports such as Matarani and shipping lines like Mitsui O.S.K. Lines and NYK Line. Process water recycling, reagent supply from companies like BASF and Dow Chemical Company, and tailings management mirror approaches at Cerro Verde and Antofagasta plc operations.
Environmental assessments addressed impacts on the Moquegua River basin, local aquifers, and highland ecosystems in collaboration with Peruvian regulators including the Ministry of Environment (Peru), and international standards from the International Finance Corporation and World Bank. Social engagement involved consultations with Aymara people and Quechua people communities, local municipalities such as Moquegua Municipality, and NGOs including World Wildlife Fund and Conservation International. Issues encompass water allocation similar to disputes seen near Las Bambas and Conga, workforce housing illustrated by projects at Cerro Verde, and biodiversity offsets informed by protocols used in Madre de Dios and Tambopata National Reserve studies. Monitoring programs have involved firms and institutions like SERNANP and Peruvian universities such as the National University of San Marcos.
Ownership is majority-held by Anglo American plc with strategic partners Mitsubishi Corporation and Marubeni Corporation, and financing arranged through syndicates including Mizuho Financial Group, Sumitomo Mitsui Banking Corporation, MUFG Bank, HSBC, and export credit agencies from Japan and United Kingdom. Capital expenditure and operating cost forecasts were benchmarked against projects such as Las Bambas, Cerro Verde, and Toquepala, while commodity exposure links to markets tracked by London Metal Exchange and analysts at Wood Mackenzie and S&P Global. Fiscal regimes and royalties adhere to Peruvian tax law and mining legislation administered by the Ministry of Economy and Finance (Peru) and the Ministry of Energy and Mines (Peru), with economic impacts discussed at forums like the Peru Mining conference and publications by the Inter-American Development Bank.
Category:Copper mines in Peru Category:Mining in Moquegua Region