Extraction par solution d Oyu Tolgoi

Rio Tinto completes acquisition of Turquoise Hill

Rio Tinto Chief Executive Jakob Stausholm said "Oyu Tolgoi is an outstanding asset with incredible people that will deliver significant long-term value for Rio Tinto and Mongolia. "I would like to acknowledge the Turquoise Hill Board and management, under the leadership of Peter Gillin and Steve Thibeault, for their considerable effort and ...

Oyu Tolgoi: light at the end of the tunnel?

In December 2015, Oyu Tolgoi LLC signed a finance deal for $4.4bn with a group of lenders to expand its copper-gold mine underground. The Mongolian mine, already in its open-cut phase, has shipped more than 1.5 million tonnes of concentrate to date, but a 2014 feasibility study conducted by the company found 25 billion pounds of recoverable …

Our Operations

Oyu Tolgoi has a requirement that any business we do, we do with Integrity, this is outlined in a document called "The way We Work". This means no facilitation payments, no bribes, no favors or payment in kind. It also means that all Conflicts of Interest should be declared before doing business with Oyu Tolgoi.

Rio Tinto and Mongolia settle feud over Oyu Tolgoi copper …

Rio Tinto Plc, and the Mongolian government said on Tuesday they have reached an agreement to end a long-running dispute over the $6.93 billion expansion project for the Oyu Tolgoi copper-gold ...

Oyu Tolgoi

1 The 500ktpa target (stated as recovered metal) for the Oyu Tolgoi underground and open pit mines is underpinned 17 per cent by Proved Ore Reserves and 83 per cent by Probable Ore Reserves for the years 2028-2036. These production targets have been scheduled from current mine designs by Competent Persons in accordance with the requirements of the …

Rio Tinto confirms development capital and timeline …

solution – in order to ensure that the project can commence caving operations in 2021. This will unlock the most valuable part of Oyu Tolgoi, delivering significant benefits for the shareholders of Oyu Tolgoi and the people of Mongolia. At peak production, Oyu Tolgoi is expected to operate in the first quartile of the copper cash cost curve ...

Oyu Tolgoi underground mine project, Mongolia – update

Project Description The Oyu Tolgoi underground mine is expected to produce more than 500 000 t/y of copper from 2028 to 2036, compared with current openpit production of 175 000 t/y to 200 000 t/y.

IFC and MIGA to Provide More Than $2 Billion for Oyu Tolgoi…

MIGA is providing a guarantee of up to $1 billion to 13 of the same institutions. This is part of $4.4 billion in project debt financing organized by Oyu Tolgoi LLC, a joint venture company owned by Rio Tinto Plc-controlled Turquoise Hill Resources Limited and the Mongolian state-owned Erdenes Oyu Tolgoi LLC.

History of Oyu Tolgoi

Power line handed over to the Government of Mongolia 10//2015. Oyu Tolgoi transfers major power line asset to government of Mongolia. Oyu Tolgoi company signed two major agreements with the National Power Transmission Grid company to transfer and maintain the 96 km power line, built and owned by the company, running between the Oyu …

Rio Tinto confirms development capital and timeline for Oyu Tolgoi

Oyu Tolgoi is jointly owned by the Government of Mongolia (34 per cent) and Turquoise Hill Resources (66 per cent, of which Rio Tinto owns a controlling interest of 50.8 per cent). Rio Tinto has been the manager of the Oyu Tolgoi project since 2010. The open-pit mine was completed in less than 24 months and production started in 2013.

About Us

Oyu Tolgoi is a copper mine in the Umnugovi aimag of Mongolia, approximately 550 kilometres south of the capital Ulaanbaatar. It holds one of the largest high-grade copper deposits in the world. Underpinned by our core value of safety, Oyu Tolgoi creates value by mining, processing and exporting copper, gold, and other minerals to international …

New mine design makes $10 billion of OT ore unextractable, …

Extraction at the Oyu Tolgoi underground mine, shown as Hugo North in maps, is likely to start in 2023 but will end sooner than expected. This is because the updated Feasibility …

Rio Tinto: the modern, safe, and sustainable Oyu Tolgoi mine

The Oyu Tolgoi mine, located in the South Gobi region of Mongolia, is one of the most modern, safe and sustainable mining projects in the world and Rio Tinto is one of its major stakeholders. The open-pit mine was established in 2011 and began processing copper two years later, with its current stakeholders being the government of Mongolia with 34% …

Entrée Resources

The Entrée/Oyu Tolgoi JV Property comprises the eastern portion of the Shivee Tolgoi mining licence and all of the Javhlant mining licence. The Entrée/Oyu Tolgoi JV …

Underground Development

Oyu Tolgoi consists of a series of deposits containing copper, gold, and silver. The deposits stretch over 12 kilometres, from the Hugo Dummett North Zone in the north through the adjacent Hugo Dummett South Zone, down to the Oyut Deposit, extending to the Heruga Deposit in the south.With considerably higher mineral grades than the open …

Discovery of Oyu Tolgoi

Discovery of Oyu Tolgoi: A Case Study of Mineral and Geological Exploration provides a detailed account of the exploration for copper deposits that took place in Mongolia in the mid-1990s, an exploration that was first started by Magma Copper and then continued by BHP Billiton World Exploration Inc., and which subsequently lead to the discovery of …

Oyu Tolgoi partners reach comprehensive agreement and …

4 The 500ktpa target (stated as recovered metal) for the Oyu Tolgoi underground and open pit mines is underpinned 17 per cent by Proved Ore Reserves and 83 per cent by …

Oyu Tolgoi Board of Directors appoints Deirdré Lingenfelder …

The Board of Directors of Oyu Tolgoi announced today th e appointment of Deirdré Lingenfelder as Chief Executive Officer of Oyu Tolgoi LLC.. Deirdré Lingenfelder will assume the role on 1 May 2022 from Jacques van Tonder, who held the role of acting Chief Executive Officer following the resignation of Armando Torres who led the business over …

Rio Tinto begins production from Oyu Tolgoi underground …

The Oyu Tolgoi underground project is an expansion of the existing Oyu Tolgoi copper and gold mine, which has been producing through open pit operations since 2013. Through both open pit and underground operations, the Mongolian project is estimated to produce nearly 500,000 tonnes of copper per annum on average from 2028 to 2036.

Press release: OYU TOLGOI Q4 2023 PERFORMANCE RESULTS

Press release: OYU TOLGOI Q4 2023 PERFORMANCE RESULTS. Ulaanbaatar, Mongolia – Oyu Tolgoi released its latest performance scorecard highlighting key performance metrics for the fourth quarter of 2023 and provided an update on the underground mine production.. Oyu Tolgoi continues the ramp-up of the underground mine safely ahead of …

Oyu Tolgoi Profile

80 per cent of Oyu Tolgoi's value lies beneath the surface. Mining method: Block caving. Operations: The mine will work 365 days a year with two 12-hour shifts. The total …

Rio Tinto: the modern, safe, and sustainable Oyu Tolgoi mine

The Oyu Tolgoi mine, located in the South Gobi region of Mongolia, is one of the most modern, safe and sustainable mining projects in the world and Rio Tinto is one of its …

Oyu Tolgoi announces Q4 2021 performance results

Located in the South Gobi, Oyu Tolgoi commenced shipment of product to customers in July 2013. Oyu Tolgoi is managed by Rio Tinto, which is investing global expertise and cutting-edge technology to help develop Mongolia's mining industry and ensure Oyu Tolgoi is one of the world's most advanced mines. For Oyu Tolgoi, nothing matters more ...

Oyu Tolgoi Mine in Khanbogd Is Transforming Mongolia

The economic impact of Oyu Tolgoi is visible on the streets of Khanbogd, the town nearest to the site. The population of Khanbogd, a frontierlike outpost where most residents still live in ...

(PDF) The story of the discovery of Oyu Tolgoi

"The giant Oyu Tolgoi porphyry copper deposit: discovery history and implications for future exploration in the Gobi". Paper presented at the SE Europe Geoscience Foundation Conference. Sofia ...

Press release: Number of Oyu Tolgoi Health, Safety, …

About Oyu Tolgoi LLC . Oyu Tolgoi LLC, Mongolia's largest copper and gold mining company, is a strategic partnership between the Government of Mongolia and Rio Tinto. Located in the South Gobi, Oyu Tolgoi commenced shipment of product to customers in July 2013. Oyu Tolgoi is managed by Rio Tinto, which is investing global expertise and …

Underground production starts at Oyu Tolgoi

Oyu Tolgoi is expected to produce around 500 000 t/y of copper from 2028 to 2036 from the openpit and underground, enough to produce around six-million electric vehicles …

Rio Tinto confirms development capital and timeline for …

Oyu Tolgoi is amongst the safest operations and is also one of the most water-efficient mines in the world, with average water use of 0.35 cubic metres of water per tonne (m. …

First undercut rings fired at Oyu Tolgoi block cave mine in …

Following a new long-term agreement between Rio Tinto, Turquoise Hill Resources (TRQ) and the Government of Mongolia, underground production has formally started at Oyu Tolgoi. In a major step forward, and after excavation of over 90 km of tunnels over 11 years, the first undercut rings were recently fired at the Oyu Tolgoi underground block …

Oyu Tolgoi commences its underground production

After years of continuous achievements, we are pleased to announce the commencement of production of our underground mine. This mine holds the majority of the total reserves of the Oyu Tolgoi deposits, so an underground mine has been constructed with cutting-edge technology, including extensive shaft infrastructure and 200 kilometres of 5-metre …

Oyu Tolgoi Project: Hugo Dummett Mine, Shaft No. 1 and …

The Oyu Tolgoi Project's Hugo Dummett Mine was designed to extract the deep copper/gold porphyry deposit by block caving methods across an operating life exceeding 40 years. Our role in Mongolia was to help Ivanhoe mines realize their production targets by providing engineering, design, procurement, and quality assurance for Shafts No. 1 and ...

Oyu Tolgoi unearthed | Undermining Mongolia

Production issues. The whole Oyu Tolgoi project consists of two phases. Phase 1 is an open pit mine, phase 2 is an underground operation. In its first year of operation in 2013, the open pit mine produced a staggering 77,000 tonnes of copper and almost 4,500 kg of gold; within three years, those rates had more than doubled.

Exhumation and Preservation of Porphyry Cu-Au Deposits at Oyu Tolgoi

Burial of the Cu-Au deposits at Oyu Tolgoi soon after their exhumation was critical to their preservation. Exhumation and subsequent burial occurred at ~371 Ma, during a short time frame within the overlapping U-Pb zircon ages for the quartz monzodiorite, mineralized porphyry clast, unmineralized dacite sequence, and granodiorite unit. ...

Oyu Tolgoi partners reach comprehensive agreement …

Oyu Tolgoi is one of the largest known copper and gold deposits in the world. It is also one of the most modern, safe and sustainable operations in the world. ... Further study work …

Mongolia looks to copper to transform stagnant economy

Oyu Tolgoi, about 550 kilometers (350 miles) south of Ulan Bator, started digging copper from an open pit in 2012 before developing the underground mine that its operators say is more valuable. The mine, with a workforce of 20,000, says it has paid $4 billion in taxes and other fees to the government.

Agreement reached on a preferred long-term power supply for Oyu Tolgoi

MELBOURNE, Australia--(BUSINESS WIRE)-- Rio Tinto, Turquoise Hill and the Government of Mongolia have reached an agreement on the preferred domestic power solution for Oyu Tolgoi that paves the way for the Government to fund and construct a State Owned Power Plant at Tavan Tolgoi.