Mining Technology | Mining News and Views Updated Daily is using cookies

We use them to give you the best experience. If you continue using our website, we'll assume that you are happy to receive all cookies on this website.

ContinueLearn More X
X

Escondida Copper, Gold and Silver Mine, Atacama Desert

Producer of

Copper

Location

Northern Chile

Ownership

BHP-Billiton (57.5%), Rio Tinto (30%), JECO Corporation (10%), International Finance Corporation (2.5%)

Geology type

Copper porphyry deposit with primary sulphides overlain by secondary oxides

Mineral type

Primary – chalocopyrite and bornite; Secondary – covellite and chalcocite

Reserve base

3,900Mt proven and probable (2005)

Annual production

87.7Mt of sulphide ore, yielding 1.17Mt of copper, 139,000oz of gold and 5.9Moz of silver (2005/06)

Mining method

Open pit

Processing method

Sulphide ore – SAG milling and flotation to recover concentrates; Oxide ore – acid leaching and electro-winning to produce copper cathodes

Employment

2,200

Open pit

Bucyrus 495 electric mining shovels

Caterpillar 793B and 973C haul trucks

Komatsu 830E haul trucks

Bucyrus 49-R and 49-RII electric drills

Ingersoll Rand DMM2 diesel-powered drill

Wenco International fleet management system

Contractors

Pre-stripping: Cia. Minera del Pacifico

Plant: Fluor Daniel

Pipeline: PSI-JRI Ingenieria

Port: Sandwell

Accommodation: Sabinco
Expand

Free download worth over $5000
Download our 2019 Technology, Media and Telecoms Predictions Report

Worth up to $5,850

In this report, we look at the 30 big tech themes for 2019, identifying winners and losers for each theme. This report will impact all industries helping:

  • CEOs/Senior Staff: in all industries understand the disruptive threats to their competitive landscape
  • Investors: Helps fund managers focus their time on the most interesting investment opportunities in global TM
Close
Close
Close

Go Top