Oyu Tolgoi: engineering a Mongolian caving dynasty
Oyu Tolgoi establishes Mongolia as the next centre of large-scale block cave mining in the world. 1 Introduction. Oyu Tolgoi is a world-class mine in the Gobi Desert of Mongolia. …
Oyu Tolgoi Gold and Copper Project, Mongolia
Turquoise Hill is developing a stage one open-pit mine on the near-surface Southern Oyu deposits and a stage two underground block-caving mine at the Hugo Dummett North and South deposits. The initial development programme for the Hugo North underground block cave mine is currently underway with a 1,385m shaft completed …
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 …
Energies | Free Full-Text | Block Caving Mining …
The block caving mining method has become increasingly popular in the last two decades. ... Padcal in the Philippines; and Oyu Tolgoi in Mongolia, block cave mines' requirements and technical …
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 …
Australian Centre for Geomechanics | Conference Paper: …
Abstract: The Oyu Tolgoi underground mine is one of the largest copper-gold mines in the world, situated in the southern Gobi Desert region of Mongolia. The mine has an expected lifespan of over 50 years, and is likely to become one of the top copper – gold producers globally. For the underground mining operation, Oyu Tolgoi adopts the block caving …
Rio Tinto offers $2.7bn to buy Turquoise Hill stake in Oyu Tolgoi …
The non-binding proposal comes six weeks after Rio clinched a deal to start underground caving at Oyu Tolgoi after agreeing to write off $2.4bn in loans and interest owed by the Mongolian ...
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.
Partnership Brings Oyu Tolgoi Copper and Gold Mining …
The trackers are lowered from a winch system through a specially-drilled borehole into the vast Oyu Tolgoi ore body below. Block cave magnetic beacons are embedded into the orebody and spun to create a magnetic field. ... which is lowered from a winch system. Once the trackers are placed, block caving techniques will undercut and …
Ground support strategy for optimisation of time …
Introduction. Oyu Tolgoi underground mine is a large block caving mine in the development stage. The projected extraction horizon of orebody is approximately 2,000 …
Oyu Tolgoi
We will use leading underground mining technology known as block caving to mine the ore body. Block caving is technically complex, but it is also one of the safest and most cost …
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 story of the discovery of Oyu Tolgoi | Mongolia Focus
In the Oyu Tolgoi mine area, for example, small circular pits and minor copper smelting slag from the Bronze Age were discovered during the extensive mineral exploration stage. Another example is Erdenet, which was the largest mine in Mongolia until the discovery of Oyu Tolgoi. The Erdenet Ovoo (Precious Hill) copper-molybdenum …
Oyu Tolgoi Underground Project
Mining method: Block caving. Operations: The mine will work 365 days a year with two 12-hour shifts. Future underground infrastructure: 3 maintenance shops. 2 drilling machine …
AutoMine® equipped LHDs helping Oyu Tolgoi …
With undercutting of the block cave now underway, two LH514 loaders have been commissioned and will operate autonomously using AutoMine®. ... the bulk of the ore is to be extracted extracted from the underground reserves through the mining method known as block caving. In January this year, the Oyu Tolgoi Board …
Rio Tinto confirms $6.75B development capital for Oyu Tolgoi
Rio Tinto unveiled a pathway for the ongoing development of the underground project at Oyu Tolgoi in Mongolia, one of the largest known copper and gold deposits in the world (earlier post).The definitive estimate details how Oyu Tolgoi underground will achieve sustainable production for Panel 0 by October 2022 for …
Oyu Tolgoi partners reach comprehensive agreement and …
Oyu Tolgoi partners reach comprehensive agreement and approve commencement of underground mining operations. 26 January 2022. share ... It is a complex greenfield project comprising an underground block cave mine and copper concentrator as well as an open pit mine which has been successfully operating for almost ten years. It is also one of the ...
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 ...
Energies | Free Full-Text | Block Caving Mining Method: …
The development stage of block caving infrastructure needs 3-5 years until ready for continuous production. The existing block caving projects have a life of mine for production, ranging from 12 to 35 years. Thus, we propose a long-term concession, about 15 until 40 years, covering development and operational production stages.
Oyu Tolgoi
Oyu Tolgoi is one of the most exciting developments in copper and gold mining in the last several decades. ... Average tunnel height and width. ... Deepest reaching 1.3KM. See how we use block caving to transport the ore body at Oyu Tolgoi Growth. Global demand for copper is set to grow, driven by urbanisation, industrialisation and increasing ...
Sub-Level Caving | Sublevel Caving Mining Experts
Sub-Level, Block And Panel Caving . AMC's 150 world-leading mining consultants include 70 mining engineers and 20 geotechnical engineers. Combined, they leverage decades of expertise in geotechnical engineering and mining, including specific cave mining considerations.. Our team has extensive experience covering studies, operations and …
Oyu Tolgoi: engineering a Mongolian caving dynasty
Oyu Tolgoi and Rio Tinto are also actively fostering a greater understanding of block cave mining in the wider Mongolian mining community through sponsored conferences and technical seminars, which help explain the complexities of the Oyu Tolgoi project. Caving 2022, Adelaide, Australia 633 Oyu Tolgoi: engineering a Mongolian caving dynasty CL ...
Oyu Tolgoi Project, in South Gobi Desert, Mongolia
Oyu Tolgoi LLC holds the Hugo North Extension copper-gold deposit and majority of the Heruga copper-gold-molybdenum deposit in a joint venture wuth Entrée. Oyu Tolgoi holds 80% stake in the Entrée/Oyu Tolgoi JV property, while the remaining 20% is held by Entrée. ... Underground panel/block caving method will be used to mine the …
Oyu Tolgoi: engineering a Mongolian caving dynasty
Oyu Tolgoi establishes Mongolia as the next centre of large-scale block cave mining in the world. 1 Introduction Oyu Tolgoi is a world-class mine in the Gobi Desert of Mongolia. It will become a world-class underground mine in the next 10 years. The underlying resources at Oyu Tolgoi will underpin many decades of mining and
Oyu Tolgoi mine design confirms project schedule and …
The updated study incorporates a new mine design for Panel 0 of the Hugo Dummett North underground mine at Oyu Tolgoi. The new design also confirms that the caving method of mining remains valid and that the underground schedule and costs remain within the ranges previously disclosed.
Oyu Tolgoi partners reach comprehensive agreement and …
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 ... It is a complex greenfield project comprising an underground block cave mine and copper concentrator as well as an open pit mine which has been successfully operating for almost ten ...
Can Mongolian copper power the green revolution?
To access the deposits at Oyu Tolgoi, Rio is using a method known as block caving. This involves digging below the ore body and collecting the falling rock, which is then crushed and transported ...
Rio Tinto commences underground production at Oyu Tolgoi
The underground operation, which begins 1.3 kilometres below the surface of the desert, is being developed by block caving. Since the early 2022 agreement, the company has blasted 30 drawbells. ... Oyu Tolgoi has been operating as an open-pit mine since 2011. The combined surface and underground operations are expected to produce …
Development planning for the Oyu Tolgoi panel cave mine
Panel caving was selected for Oyu Tolgoi due to the large orebody and generally weak ground conditions. The Hugo North orebody is approximately 225 m wide, 2,000 m long, and 1,000 m high. ... column height of 350 m. The mining rock mass rating (MRMR) of Lift 1 is 40–45, and has a predicted critical hydraulic radius of 20–23 m. There are ...
Stakes high for Rio Tinto, Mongolia as Oyu Tolgoi …
The Mongolian side, which owns 34 percent of Oyu Tolgoi, a Mongolian company, will incur a debt of $ 22 billion at the end of the OT project. How many billions of dollars will Turquoise Hill ...