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Osisko Brings First Half of Secondary Crusher Online
Canada’s newest intermediate gold producer Osisko Mining Corp. reported that construction and installation of the first of two cone crushers in the secondary crushing facility has been successfully completed. Commissioning of crusher No. 1 at the secondary crushing facility is now under way. Crusher number two of the secondary crushing facility will be added upon arrival at site, which is still anticipated to be on schedule this coming June. A planned maintenance shut-down of the mill was also completed, with a liner change out in the SAG mill. The mill and the new secondary crusher...... read
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Organizations Sue Over Arizona Land Withdrawals
The Nuclear Energy Institute (NEI) and the National Mining Association (NMA) filed a lawsuit in U.S. Federal District Court in Arizona February 27, 2012, seeking to reverse the Obama administration’s withdrawal of approximately 1 million acres of federal land in the Arizona Strip from uranium mining for 20 years. U.S. Interior Secretary Ken Salazar announced the ban on new hardrock mining claims on land surrounding the Grand Canyon on January 9 (E&MJ, February 2012, p. 10). The land is not within the Grand Canyon National Park or the buffer zone protecting the national park.... read more
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Pretium Initiates Brucejack Feasibility Study
Pretium Resources has retained Wardrop, a Tetra Tech company, to prepare a feasibility study of its Brucejack gold-silver project in northwestern British Columbia. Snowden Mining Industry Consultants will provide an underground resource model for the highgrade gold and silver resources identified to date in the Valley of the Kings and West zones of the project. The feasibility study is slated for completion by year-end 2012. A 24,000-m drill program is in progress at the Valley of the Kings zone, focused on mineralization to be mined in the first.... read
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AROUND THE
WORLD - Latin America |
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Escobal on Track for 2013 Mill Startup
Tahoe Resources reported in early March 2012 that construction at its flagship Escobal silver project, 70 km southeast of Guatemala City, Guatemala, is on schedule for mill commissioning in the second half of 2013 and commercial production in the first quarter of 2014. The original capital estimate of $326.6 million is onbudget, and the project is fully financed. The operating plan calls for production of 317 million oz of silver over an 18-year mine life…… read
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Codelco Budgets for Major Development Projects Codelco outlined plans in early March for $4.328 billion in capital spending during 2012, of which $2.273 will be directed toward major development projects. The new Ministro Hales mine and a new level at the underground El Teniente mine are already under construction and are budgeted at $1.145 billion and $399 million, respectively, during 2012. A feasibility study is currently in progress for development of an underground mine at Chuquicamata…. read more
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AROUND THE
WORLD - Australasia |
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Ivanhoe Australia Starts Up at Osborne
Ivanhoe Australia began producing copper and gold concentrate at its Osborne processing facilities south of Cloncurry, northwest Queensland, on February 28. The company acquired the Osborne mine and concentrator from Barrick Australia in September 2010. Since the acquisition, the company has restarted the Osborne underground mine and developed the Kulthor underground resource, which is accessed via a decline from the from the Osborne mine. Potential additional future ore sources…. read
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Australia Passes MRRT Law SAustralia’s controversial mineral resources rent tax (MRRT) was passed into law by the upper house of the nation’s Parliament (the Senate) March 19. The law, which imposes a 30% tax on Australia’s iron ore and coal mine profits, will become effective July 1, 2012. The law passed the House of Representatives in November 2011. Proposals for new taxes on Australia’s mining industry have been a source of controversy since a proposal for a Resource Super Profits Tax cost then Prime Minister Kevin Rudd his job in June 2010. Julia Gillard replaced Rudd as prime …. read
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Orsu Reports Feasibility Study for its Karchiga Copper Project
Orsu Metals, a London-based junior company, has reported the results of a definitive feasibility study of its 94.75%-owned Karchiga volcanogenic massive sulphide copper project in the Kurchumskiy district of East Kazakhstan province, Kazakhstan. Production is estimated 13,000 mt/y of copper from open-pit mining of sulphide and oxide ores over a mine life of 11.5 years. A sulphide concentrator would process approximately 750,000 mt/y of ore, using relatively fine grinding and selective sulphide flotation to….
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Altynalmas Eyes Kyzyl Construction Start
Ivanhoe Mines reported in late February that an independent feasibility study has increased the mineral reserve estimate at Altynalmas Gold’s Kyzyl gold project in East Kazakhstan province, Kazakhstan to 5.76 million oz of gold. Ivanhoe holds a 50% interest in Altynalmas. The reserve estimate is based on an underground mining operation producing an average of 337,000 oz/y of gold during an initial mine life of up to 15 years. The project also has 7.35 million oz of indicated resources…. read
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Impala Platinum Agrees to Indigenization in Zimbabwe
In press releases dated March 13 and March 14, 2012, Impala Platinum (Implats) announced that, following a meeting between Implats directors and the Zimbabwean Minister of Youth Development, Indigenization and Empowerment, a new Zimplats Indigenization Implementation Plan presented to the Minister had met the minimum requirements of Zimbabwe’s Indigenization and Economic Empowerment Act and 2010 regulations and was acceptable…. read more
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Golden Star Advancing Prestea Underground Studies
Golden Star Resources has completed a preliminary economic assessment (PEA) of the West Reef orebody at its Prestea underground mine in southwest Ghana and is proceeding with a full feasibility study. The orebody has an indicated resource of 874,000 mt grading 18.07 g/mt for 508,000 oz of gold, and the orebody is open along strike and down dip. Economic analysis suggests a capital cost to develop the project of approximately $115 million……
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Decline Development Under Way at Penumbra
Progress on Continental Coal’s Penumbra Coal Project in South Africa as part of the EPCM contract to develop the underground room-and-pillar coal mine is well under way, after commencing with site work in September last year, reports Adam Wilkinson, project manager and mining engineer, TWP Projects. Located near Ermelo, Penumbra will be CCL’s third thermal coal mining operation in the country, and is expected to produce 840,000 metric tons per year raw coal, primarily for the export market. First coal is expected to be reached by end September 2012 …. read more
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Seasonal Weather, Labor Issues Affect Australian Coal Exports
Recent storms and flooding in Queensland have halted port and rail movements, curtailed production at surface mines and restricted access to underground operations. "Industrial actions" (strikes) by union are also affecting the Australian coal chain. BHP Billiton Ltd., the world’s largest coking coal exporter, said it may miss deliveries from its Australian mines after strikes and rain affected output. Thousands of miners walked off the job during the last week of …. read more
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Indonesia's Bayan Aims to Increase Coal Production
PT Bayan Resources Tbk said it will produce up to 20 million metric tons (mt) of coal this year, a 29% increase from last year’s production volume of 15.5 million mt. "We are projecting coal production at 18 million mt to 20 million mt this year," said Bayan director Jenny Quantero. The average selling price stood at $95/mt in 2011 and the firm has projected a similar price for this year. Most of Bayan’s coal sales were under contract. She declined to reveal the number of contracts her company had secured this year, but said the increase in production…. read
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