Friday, April 3, 2015

A contract for construction of the box cut was awarded to Lubumbashi-based Mining Company Katanga Sp


Par antique doorbell Antoine Roger Lokongo, le Soldat du Peuple engagé dans la bataille des idées pour un Congo meilleur et parténaire clé de la Chine, un pays sous-developé, qui, en un lapse de temps, a changé son destin en comptant sur ses propres efforts et devenu une puissance.
http://news.yahoo.com/ivanhoe-mines-begins-construction-first-161800337.html Initial Development to Focus on Kansoko Sud High-Grade Stratiform Zone Where a Recent Drill Hole Intercepted antique doorbell 15.7 Metres of 7.04% Copper
LUBUMBASHI, DEMOCRATIC REPUBLIC OF CONGO--(Marketwired - Jul 24, 2014) - Ivanhoe Mines ( IVN.TO ) Executive Chairman Robert Friedland and Chief Executive Officer Lars-Eric Johansson today announced the start of construction on the box cut for the initial portal to planned decline ramps that will provide underground access to the proposed Kamoa copper mine in the Democratic Republic of Congo's Katanga province.
A contract for construction of the box cut was awarded to Lubumbashi-based Mining Company Katanga Sprl (MCK), which has extensive local experience in contract antique doorbell mining and earthworks and has worked on other significant Katanga copper mining projects, including Kinsevere, Kipoi and Kolwezi.
Construction of the box cut is expected take approximately five months, after which development of the first set of twin declines can commence. The declines have been designed to intersect the high-grade copper mineralization in Kansoko Sud area, approximately antique doorbell 150 metres below surface. Ivanhoe's drilling program in this area has defined a thick, near-surface zone of high-grade antique doorbell copper mineralization in Kansoko antique doorbell Sud, where a recent drill hole, for which assays were received in April 2014, intercepted 15.7 metres (true width) of 7.04% copper, at a 1.5% total copper antique doorbell cut-off.
"This first development step is an important milestone in Ivanhoe's schedule to begin realizing the tremendous potential of Kamoa's high-grade resource to deliver meaningful benefits to all of our stakeholders," said Mr. Friedland.
"Industry antique doorbell experts recognize that Kamoa is a world-class copper antique doorbell deposit, both in terms of size and grade. In our mine planning, Kamoa's tabular form and relatively antique doorbell undeformed geometry, allows utilization of simple and low-cost mining methods; no complex metallurgical processes are required and the inherent scalability of the deposit means that it can provide significant returns over a range of production scenarios."
Kamoa is the world's largest high-grade (>2.5% Cu) copper resource. As such, Ivanhoe's initial, independent preliminary economic assessment (PEA) was based on an initial mining rate of three million tonnes per annum (Mtpa), which could be scaled up in phases to a steady state rate of up to 15 Mtpa.
"This principle will be adopted during the project's antique doorbell first phase, which is being scoped to target several high-grade areas in Kansoko Sud in the initial build up. The approach is to target early cash-generation opportunities, while allowing organizational learning and operational refinements to be incorporated into the subsequent expansion phases," Mr. Johansson added.
Given the favourable geological characteristics of the Kamoa Deposit as derived from the December 2012 mineral resource - including its relatively undeformed, continuous mineralization - it is considered amenable to large-scale, mechanized, room-and-pillar and drift-and-fill mining. The overall dip and geometry of the resource antique doorbell make it conducive to room-and-pillar mining in the shallow portions of the deposit, which will transition to drift-and-fill mining in the deeper or steeper sections. These methods are the accepted industry standards for mining deposits such as Kamoa.
Infill drilling of the planned initial mining area from the PEA has confirmed the overall grade and thickness of the December antique doorbell 2012 resource estimate in these areas and provided invaluable refinement within localized areas. While traditionally modelled on a 1% total copper cut-off to define a selective mineralized zone (SMZ), the deposit has shown that grade continuity also exists at an elevated 1.5% total copper vertical antique doorbell cut-off, and that a 2.0% total copper vertical cut-off may be feasible in certain areas. Applying higher cut-offs in defining the SMZ will allow for implementation of higher-grade, narrower mining options which should improve overall mine economics. antique doorbell Defining the SMZ at higher vertical cut-offs also has created more expansive, contiguous zones of high-grade mineralization.
In line with the phased approach to project development outlined in the 2013 updated Kamoa PEA, the Kamoa pre-feasibility study (PFS) is progressing on the basis of an initial three-million-tonne-per-annum (3 Mtpa) mine and concentrator. Development antique doorbell plans will be refined following completion of the PFS.
Reviews of the resource model, combined with results from recent infill drilling at Kansoko Sud, have c

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