Codelco to invest $720M in century-old Chuquicamata copper …
The world´s leader in copper production, Codelco, wants to mitigate its overall production decline by investing $720 million to improve operations at its Chuquicamata copper mine. In a document posted on the Environmental Assessment Service, it said that the Chilean state-owned copper miner wants to modernize the …
Element cycling during the transition from alkaline to acidic
2. Site description2.1. Ore geology, mining and flotation process. The origin of the Talabre tailings is the porphyry copper ore deposit of Chuquicamata (~ 90 Mt Cu) (Camus, 2003) in the Atacama desert, Chile.The formation of the ore body is genetically related to igneous activity of the Late Eocene–Early Oligocene.
[PDF] Genesis of the exotic chrysocolla — "copper pitch/wad
Detailed mineralogical and textural studies, combined with sequential X-ray diffraction and geochemical modeling, helped to solve the " copper pitch/wad " enigma in the Exótica deposit located downstream of the Chuquicamata porphyry copper deposit. Copper pitch and copper wad are essentially chrysocolla with co-precipitated Mn …
The Chuquicamata Copper Deposit — Chile | SpringerLink
Abstract. Chuquicamata is the largest copper deposit in the world and would demand our attention for no other reason, but it has many interesting geological features as well. It is a 'porphyry-copper' type deposit with a rather atypical pattern of alteration, and the example of the type with best development of 'oxide-ore'.
Copper Mining at Chuquicamata
The effort aims to reach additional deposits amid slowing productivity and is expected to extend the useful life of the site by at least 40 years, according to the mining company. Production at the Chuquicamata mine contributes to Chile's standing as the …
Visit Chuquicamata, Calama
- The mine is owned and operated by Codelco, a Chilean state enterprise, following the nationalization of copper in the late 1960s and early 1970s. - Copper has been mined in Chuquicamata for centuries, with evidence of mining activity dating back to 550 A.D. ### Unveiling the Copper Wonder Visiting Chuquicamata is an awe-inspiring …
Landsat Image Gallery
The Chuquicamata mine in northern Chile's Atacama Desert is one of the deepest open-pit mines in the world, second only to Bingham Canyon in Utah. The extraction of huge stores of copper has hollowed out the landscape; the largest pit at the site reaches a depth of approximately 1,000 meters (3,300 feet). Evidence of mining …
Geology of the Chuquicamata Mine: A Progress Report
Abstract. Chuquicamata, in northern Chile, is the world's greatest copper orebody. It was controlled, from the initial intrusions (probably at 36–33 Ma) through …
Copper sulfide mining at Chuquicamata and the spread of …
The inhabitants of Antofagasta, the port through which Chuquicamata's copper transited, thus lived in another technological era, not benefitting from the mining industrial advances of the Chuquicamata industrial plants. ... Finally, the thickening and filtering process reduced the percentage of moisture in the copper concentrate …
Codelco to spend US$720 million in Chuquicamata copper …
Chile's Codelco, the world's top copper producer, plans to invest an additional $720 million revamping its century-old Chuquicamata copper mine, in an effort to stop the company's overall production decline.. The state-owned miner already spent $5.7 billion to convert the open pit into an underground mine, as part of a 10-year, $39 …
Geology of the Chuquicamata Mine: A Progress Report
Abstract. Chuquicamata, in northern Chile, is the world's greatest copper orebody. It was controlled, from the initial intrusions (probably at 36–33 Ma) through mineralization (last major hydrothermal event at 31 Ma) to postmineral brecciation and offset, by the West fault system. East porphyry, West porphyry, Banco porphyry, and …
Timing and formation of porphyry Cu–Mo mineralization in …
The Chuquicamata district includes the Chuquicamata and Radomiro Tomic megadeposits, the exotic copper deposit Mina Sur, the newly developed Ministro Hales mine (formerly known as Mansa Mina) located 5.5 km south of Chuquicamata, and the deposits of the Toki cluster (Toki, Genoveva, Quetena, Miranda, and Opache) …
Codelco to invest $720m more in Chuquicamata copper mine
Chile's State-owned Codelco, the world's largest copper producer, submitted an environmental permit request on Thursday to modify its Chuquicamata Subterranea project at a cost of $720-million.
The devastating environmental impact of technological …
Chuquicamata, near the city of Calama, is the largest open pit copper mine in the world. It has been in operation since 1882, but production ramped up in the early 20th century when the extraction ...
Chuqui Underground: A Huge Transition | E & MJ
The transformation of the current pit into an underground mine will extend the life of División Chuquicamata at least 40 years. Copper is the life blood for Chile and the Chuqui …
Chile's pollution grows in scramble to meet …
Producing the sought after high-grade metal uses pollution-intensive methods, so higher demand for fine copper from China is also increasing the pressure on Chile's environment. After extracting copper …
Chuquicamata Coppermine – Calama Chile
Know Chuquicamata Coppermine Chuquicamata is known around the world because of its copper production (activity that preceeds the Inca Empire). It´s an industry that began circa 1882, although it started operating properly in 1911 when US capitals finished its construction. Today, the production reaches the 630 tons of fine copper every year.
Chuquicamata: Copper Mining Industrial Heritage in Chile
Abstract. Facing Chuquicamata's recent abandonment as residential area due to the mining process, it becomes necessary to value its qualities as industrial heritage. Therefore, it is important to ...
Chuquicamata Copper Mine
This giant hole in the desert landscape is the heart of Chile's economy. Even the Inca already extracted copper here. In 1910 the first modern conveyor system was built and now 600.000t of copper are produced here annually. The main pit is over 4km/2.5mi long, 3km/2mi wide and 850m/2,789ft deep – until now. Ideally you visit Chuquicamata ...
High-precision
The Chuquicamata porphyry copper deposit (22°16.5′S, 68°54′W; 2800–3000 m-a.s.l.) in northern Chile (Fig. 1) and the other giant porphyry deposits of the Central Andes orogen were formed along a non-collisional convergent margin above a long-lived, currently-active subduction system.The ore deposits have a direct genetic link to …
Environmental, economic and technological factors affecting …
Chilean smelters produce 1.4 million tonnes of copper anodes annually, which corresponds to 36% of the domestic flotation concentrate, while the remainder is processed in foreign plants (64%) [20].There are currently seven copper smelters in Chile: Chuquicamata, Caletones, Potrerillos, Hernán Videla Lira (HVL), Ventanas, Chagres, …
First Pierce Smith Converter in Chuquicamata is …
The first Pierce Smith Converter in Chuquicamata has been recently inaugurated and is already running.Its goal is to capture the 97% of the gasses emitted by the mining company and moves away to the …
Chuquicamata Mine, Chile | EROS
Evidence shows that copper has been extracted in the region for centuries. Indigenous people worked the copper deposits in pre-Hispanic times to make weapons and tools. …
(PDF) The Relation between Trace Element Composition of …
the Chuquicamata district are estimated at 113.4 Mt of fine copper, considering a cut-off Cu grade of 0.2 wt.%, from which the Chuquicamata porphyry Cu-Mo deposit contributes 63.7 Mt [ 39 ].
Process for refining copper in solid state
Process for refining copper in solid state 407 A typical treatment begins at room temperature with a vacuum between 10-2 and 10-3 mm of Hg. The temperature increases at a rate of 20 per minute up to a final temperature of 850, while a simultaneous pressure increment is induced by volatilization. The pressure shows a temperature …
Chile's Codelco to invest $720 million more in Chuquicamata copper …
Chile's state-owned Codelco, the world's largest copper producer, submitted an environmental permit request on Thursday to modify its Chuquicamata Subterranea project at a cost of $720 million."The general objective of the project is to incorporate optimizations to the original project and modifica…
Codelco to invest $720 million more in Chuquicamata copper …
Chile's state-owned Codelco, the world's largest copper producer, submitted an environmental permit request on Thursday to modify its Chuquicamata Subterranea project at a cost of $720 million ...
The production of copper in 6th century Chile's chuquicamata mine
In 1899, an extremely well-preserved mummy from the sixth century A.D. was found at the well-known Chilean mining site, Chuquicamata. The mummy was determined to be a young indigenous miner who died in 550 A.D. ± 40 years. In the sixth century, the known technology used to produce copper metal from minerals must have been the reduction …
Chuquicamata, the largest copper mine in the world
Chuquicamata is the largest copper mine in the world to which Chile owes its prosperous economy and the acknowledgement this natural metal has earned the country all round the world. A 16-kilometer-long straight line of lanes that go in two opposite directions separate the mine from the City of Calama, a place mostly dwelled by the miners that ...