With craftsman’s spirit, A&C always tries to do better.

Toggle Navigation

Major Mines & Projects | Quebrada Blanca Mine

The initial open pit mine at Quebrada Blanca (the Quebrada Blanca Phase 1 operation or QB1) commenced operation in 1994, exploiting supergene copper mineralization. To date, operations at the mine have used a heap leach and dump leach and solvent extraction/electrowinning (SX/EW) process.

Get Price

Chile court shuts gold mine over environmental fears

Sep 17, 2020· But local groups began a legal battle to halt its construction, citing concerns over the threat of damage to waterways from the massive open pit mining project, one of the largest in the world. Barrick Gold, the world's second-largest gold producer, planned to spend up to $8.5 billion on the mine, and initially planned to start production there

Get Price

A Massive Copper Mine In New Mexico Ate This One Small Town

Mining has occurred through pretty much all of the history of New Mexico. The Chino Mine is the third oldest, still active open-pit copper mine in the entire world. It was founded in 1910, but there is evidence of mining in the area from long before that. For example, in Madrid, NM, there is evidence of historic mining from the 1850s.

Get Price

Chile's New Copper Discovery, the Most Important in a

Sep 30, 2020· Simple open pit mining: The average annual steady state copper production over the first six years at the Marimaca project is close to 40,000 tonnes of cathode. The total mine life is expected to be 12 years, with total recovered copper of approximately 430,000 tonnes over the life of mine.

Get Price

Potrerillos | mining area, Chile | Britannica

Potrerillos, former mining centre in northern Chile.The defunct underground copper mine lies in the Atacama Desert, 9,440 feet (2,877 metres) above sea level and 75 miles (120 km) inland from the port of Chañaral. Although its deposits were smaller and its ores of poorer quality than those at Chile's principal copper mine at Chuquicamata, the Potrerillos mine made an important contribution

Get Price

Franke | KGHM Corporate Website

General Information The Franke open pit mine is located in the Atacama Desert in the Taltal region of Chile, in the southern part of the Antofagasta region, which is the largest Chilean copper basin. The mine is located at an altitude of approximately 1730 meters above sea level.

Get Price

The World's 20 Largest Copper Mines - ThoughtCo

Nov 25, 2019· Chile's state-owned Codelco owns and operates the Codelco Norte (or Chuquicamata) copper mine in northern Chile. One of the world's largest open-pit mines, Chuquicamata has been in operation since 1910, producing refined copper and molybdenum.  

Get Price

Chuquicamata Copper Mine, Northern region of Chile

The Chuquicamata (Chuqui) open-pit copper mine in Northern Chile is being converted into an underground mine to exploit the remaining resources and extend its mine life. Corporación Nacional del Cobre de Chile (Codelco) owns and has been operating the copper mine since 1915, which is one of the world's biggest open-pit mines.

Get Price

Potrerillos | mining area, Chile | Britannica

Potrerillos, former mining centre in northern Chile.The defunct underground copper mine lies in the Atacama Desert, 9,440 feet (2,877 metres) above sea level and 75 miles (120 km) inland from the port of Chañaral. Although its deposits were smaller and its ores of poorer quality than those at Chile's principal copper mine at Chuquicamata, the Potrerillos mine made an important contribution

4
Get Price

Chile's largest open pit copper mine goes underground

Jul 12, 2012· Chile's largest open pit copper mine, Chuquicamata, has officially started its conversion towards underground mining. The project will cost Codelco over $2 billion in the preliminary phase, but

Get Price

Quebrada Blanca Copper Mine, Tarapaca Region, Chile

Quebrada Blanca copper mine is a two-phased open-pit mine being developed in the Tarapaca Region of Chile, South America. The first phase (QB1) of the project was commissioned in 1994, while environmental approval for the $4.7bn second phase (QB2) was granted in August 2018.

Get Price

Chuquicamata | mining centre, Chile | Britannica

Chuquicamata, mining and smelting centre, northern Chile.It lies near Calama at 9,350 feet (2,850 metres) above sea level and is the largest open-pit mine in the world. Large-scale operations started in 1915. Tapping one of the world's largest-known copper deposits, it produces more than one-fourth of the nation's copper. Copper is carried by rail to Antofagasta, 140 miles (225 km

Get Price

Chile court shuts gold mine over environmental fears

Sep 17, 2020· But local groups began a legal battle to halt its construction, citing concerns over the threat of damage to waterways from the massive open pit mining project, one of the largest in the world. Barrick Gold, the world's second-largest gold producer, planned to spend up to $8.5 billion on the mine, and initially planned to start production there

Get Price

North America is About to Get Its Largest Copper Mine

Aug 13, 2019· This has led to some of the largest man-made features on Earth, like the pits at Chuchiquamata or Collahausi in Chile. Resolution wouldn't be a new open pit mine because most of the copper lies over 2 kilometers down, but lots of material from the mining would still make it to the surface.

Get Price

A Massive Copper Mine In New Mexico Ate This One Small Town

Mining has occurred through pretty much all of the history of New Mexico. The Chino Mine is the third oldest, still active open-pit copper mine in the entire world. It was founded in 1910, but there is evidence of mining in the area from long before that. For example, in Madrid, NM, there is evidence of historic mining from the 1850s.

Get Price

Escondida Mine, Chile | Earthshots: Satellite Images of

Isolated in Chile's northern Atacama Desert, the open-pit Escondida Mine is the world's largest source of copper. Escondida means "hidden" in Spanish, and hidden it was. The copper ore was buried under hundreds of meters of rock.

Get Price

1.1 PHASES OF A MINING PROJECT

1.1.3.1 Open-pit mining Open-pit mining is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit may precede removal of the overburden. The

Get Price

Chile court orders "total and definitive - MINING.COM

Sep 18, 2020· The original mine plan for Pascua-Lama, which required a capital outlay in excess of $8 billion, contemplated an open-pit operation that would have affected three small glaciers on the Chilean

Get Price

Countries like Chile still dump toxic mine waste in the

In today's modern world, humans need minerals. Smartphones, plasma TVs, heated homes and cookware use metals like copper, zinc and platinum, among dozens of others. They're mined from geological deposits, which run like seams, deep into the Earth's crust. The quest for those minerals damages the environment, said Craig Vogt, the former Deputy Director of the Oceans and Coastal

Get Price

Top 10 deep open-pit mines - Mining-Technology

Located in Chile's Atacama Region, Region III, at an elevation of approximately 650 m above sea level and 20 km south of the city of Copiapó, the Candelaria Copper Mining Complex is easily accessed using the public road system. Copiapó is a modern city with all regular services and a population of approximately 160,000.

4
Get Price

Chile's huge open-pit copper mine to become world's

In this Sept 25, 2012 photo, a bulldozer works at the Chuquicamata copper mine in the Atacama desert in northern Chile. (AP) But the open pit has run its course at Chuquicamata, the storied mine that awoke the political awareness of a young Ernesto ``Che'' Guevara in the 1950s, inspired Marxist President Salvador Allende to nationalize the copper industry in 1971 and generated decades of

Get Price

Chile court orders "total and definitive - MINING.COM

Sep 18, 2020· The original mine plan for Pascua-Lama, which required a capital outlay in excess of $8 billion, contemplated an open-pit operation that would have affected three small glaciers on the Chilean

Get Price

Chile | Freeport-McMoRan Copper & Gold

The El Abra is an open-pit copper mining complex is located 47 miles north of Calama in Chile's El Loa province, Region II. As of December 31, 2011, the operations employed approximately 1,290 people.

Get Price

Chile's huge open-pit copper mine goes underground

Oct 11, 2012· From above, it looks like a colossal amphitheater carved from rock, or the vast crater from a meteorite that crashed into Chile's Atacama desert ages ago.Inside the world's largest open-pit copper

Get Price