Underground Construction Alliance
UCA provide integrated project delivery of multidisciplinary underground construction projects through an alliance of combined resources. +61 457 371 617 | Email | Connect. ... mechanical & piping (SMP) engineering services to the mining, quarrying & marine sectors. Key personnel have been involved in the delivery of Ernest Henry, Cadia East ...
13th AusIMM Underground Operators' Conference 2017
The 13th AusIMM Underground Operators' Conference washeld from 16-18 October 2017 on the Gold Coast, Australia. Over 40 papers werepresented covering the following topics: blasting technology, contracting and operating personnel,geotech, human resource issues and innovations, innovative ideas, occupational health and safety, …
Major Mines & Projects | Ernest Henry Mine
6 years (as of Jan 1, 2022) Shapshot. The Ernest Henry copper-gold operation is a large-scale, long-life asset. The operation commenced as an open pit mine in 1998 and transitioned to underground mining in 2011. The operation employs a low-cost and highly efficient sub-level caving ore extraction method. The Board approved the Ernest Henry …
Ernest Henry operation
Ernest Henry is an underground mining operation employing sub-level caving ore extraction methods. There is also an underground primary crusher and ore handling …
Xstrata Transitions to Underground Mining at Ernest Henry
The underground production start is a major milestone in an A$589-million project to extend Ernest Henry operations to at least 2024. During the first phase of underground mining, ore is being trucked via a decline at a rate of approximately 3 million mt/y for processing at an on-site concentrator into concentrate containing about 25,000 mt/y ...
Strip and Line versus Blind Sink Shaft Sinking – The …
Sinking – The Ernest Henry Decision C J Carr1 and A E A Northcote2 ABSTRACT The Ernest Henry Mine (EHM) is owned and operated by Xstrata Copper and is located in North-West Queensland, Australia. The mine is currently undergoing a transition from an 11 Mtpa open pit mine to a large sublevel cave underground mine producing 6 Mtpa. Due …
Ernest Henry Mine Headframe | Mineforce Australia
Client Need. The Headframe Erection project for EHM is an integral part of the mines transition from open cut to underground mining. It involved the construction and installation of a temporary Skyshaft and Winder Building for the shaft sink, followed by the installation of a 70m high Headframe and permanent Winder Building.
Glencore Begins Shaft Hoisting From Ernest Henry Underground
The Ernest Henry underground project began in December 2009 and has included more than 50 km of underground development accessed by a 6-km decline; construction of associated infrastructure, including an underground primary crusher and 1.2 km of below-surface and overland conveyors to transport ore to and from the hoisting system; …
Ernest Henry operation
The Ernest Henry deposit is a breccia pipe plunging approximately 45 degrees to the south-southeast and is bounded between northeast trending ductile shear zones. Ernest Henry is an underground mining operation employing sub-level caving ore extraction methods. There is also an underground primary crusher and ore handling system.
Evolution Mining to acquire Ernest Henry Mining from …
17 November 2021. Glencore and Evolution Mining Limited (Evolution) have entered into a binding agreement for the sale and purchase of Glencore's interest in Ernest Henry Mining Pty Ltd, the owner of the Ernest Henry Mining (EHM) copper-gold mine in Queensland, Australia. Glencore will receive A$1 billion, comprising A$800 million on the ...
Ernest Henry Mine on the way to safer drill and …
Glencore's Ernest Henry Mining (EHM) is one of the first mines in the world to trial Orica's Wireless Electronic Blasting as part of its move to improve safety and production by using innovative drill and …
Major Mines & Projects | Ernest Henry Mine
Snapshot. The Ernest Henry copper-gold operation is a large-scale, long-life asset. The operation commenced as an open pit mine in 1998 and transitioned to underground mining in 2011. The operation employs a low-cost and highly efficient sub-level caving ore extraction method. The Board approved the Ernest Henry Mine Extension Project to ...
Xstrata Completes Ernest Henry Magnetite Plant | E & MJ
Xstrata Copper completed construction of the magnetite base plant at its Ernest Henry mine in Queensland in early February 2011. The plant is a key component of an A$589-million project to transform Ernest Henry into a major underground copper-gold operation. The plant will produce magnetite concentrate as an important byproduct of the copper ...
Ernest Henry operation
Ernest Henry is an underground mining operation employing sub-level caving ore extraction method. There is also an underground primary crusher and ore handling …
Xstrata Transitions to Underground Mining at Ernest Henry
Xstrata Copper started underground mine production at its Ernest Henry operation 38 km northeast of Cloncurry in north Queensland in early December 2011, marking the site's …
Geotechnical analysis and ground support selection for …
Geotechnical analysis and ground support selection for the Ernest Henry crusher chamber A.D. Campbell et al. 438 Ground Support 2013, Perth, Australia to around 220 by 150 m in the lowest levels. A conceptual layout of the underground mine with respect to the open pit is shown in Figure 2.
Visitor Handbook
Ernest Henry Mining (EHM) is a copper and gold mining ... EHM transitioned to underground mining in 2011 as part of a $589 million life of mine extension project. As EHM is a hard rock mines we use an innovative, low ... All employees, contractors and visitors on site have a legal
Underground Dewatering System | Mineforce Australia
The milestone represented the beginning of a new and extended future for Ernest Henry operations. As part of the infrastructure for the new underground mine, Mineforce was commissioned to fabricate and install a dewatering system that would remove underground mine water and would be capable of handling emergency inflows.
Ernest Henry operation
Ernest Henry is an underground mining operation employing sub-level caving ore extraction method. There is also an underground primary crusher and ore handling system. Ore is brought to surface via a 1,000m hoisting shaft with a ... Mining contractor: Integrated tool carriers: Loaders: Production drills: Grader: Agitator: Spray unit: Charge …
Ernest Henry: From open cut to underground
The Ernest Henry open pit mine had reached a final depth of over half a kilometre and was a substantial 1.5 kilometres long and 1.3 kilometres wide. "Now the focus is on completing the ...
Evolution secures full ownership of Ernest Henry
Ernest Henry Overview . Ernest Henry is a large-scale, long-life, copper -gold mine located ~38km north-east of Cloncurry, Queensland. The operation commenced as an open pit mine in 1998 and transitioned to underground mining in 2011. The current shaft underground mining operation employs low-cost and highly efficient suba level caving …
Underground Dewatering System | Mineforce Australia
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Glencore Begins Shaft Hoisting From Ernest Henry …
WEBGlencore reported on June 25 that the new, 1-km-deep hoisting shaft at its Ernest Henry mine near Cloncurry in northwest Queens-land, Australia, had begun operations. The …
Transition of the Ernest Henry Mine from Open Pit to an Underground …
Situated in north-west Queensland, Australia, the Ernest Henry Mine (EHM) has been producing copper and gold since 1996. Owned and operated by Glencore Xstrata, ore is currently sourced from a newly developed underground sublevel cave (SLC) mine below the old EHM open pit (the pit). Ore feed to the concentrator is supplemented by …
Glencore closes sale of Ernest Henry Mine
6 January 2022. Glencore and Evolution Mining Limited (Evolution) have today closed the sale and purchase of Glencore's interest in Ernest Henry Mining Pty Ltd, the owner of the Ernest Henry Mining (EHM) copper-gold mine in Queensland, Australia. Glencore has received A$800 million and will receive a further A$200 million in 12 months time.
ernest henry mine underground contractors
The operation is an underground mining operation employing sub-level caving ore extraction method There is also an underground primary crusher and ore handling system Ore is brought to surface via a 1 km hoisting shaft with a hoisting capacity in excess of 6Mt ore pa...ernest henry mine underground contractors. T05:11:46+00:00.
Paper: Guidelines for orepass design in a sublevel cave mine
Abstract: Underground mines commonly use orepass systems as a safe and economic method to transport broken rock between levels. Although these systems are an integral part of such operations, design methodologies are generally limited to empirical methods, rules of thumb and limited case studies. ... O'Toole, D 2014, Ernest Henry Mine review ...
Cloncurry copper mine to axe 700 contractor jobs
The Ernest Henry mine uses water from Lake Julius which is currently below 70 per cent capacity due to the drought. The lake is also the back-up dam to supply water to the Mount Isa City Council ...
Ernest Henry Cu-Au deposit
Open Pit (1997-2011) and underground (2011-present) mining; Depth of Mining. 1000 m (underground); 650 m (open cut) PRODUCTION AND DIMENSIONS. Mineralised bodies. The main body Cu-Au mineralisation occurs in ... the Ernest Henry mine and environs can be : summarised as follows: • Deposition of the Mount Fort Constan-tine Volcanics and ...
Xstrata Copper commences underground ore …
Initial underground mine production has successfully commenced at Xstrata Copper's Ernest Henry Mining operation in north-west Queensland, marking the site's transition from open pit mining,...
Starting-Up the Ernest Henry Underground Mine
The Ernest Henry Mine is a copper-gold open pit operation situated in northwest Queensland, Australia. It is owned and operated by Xstrata Copper, with a current throughput of 11 Mtpa, however, open pit operations are scheduled to cease in mid 2011. The deposit dips approximately 45 and extends for at least another 400 m vertically …