Location Maps - Cononish Gold mine, Tyndrum, Stirling, Scotland, UK. Slot raises will also be mined to demarcate the individual stopes and also serve as initial breaking faces for stoping. The current reserve of gold is confined to a single narrow, near vertical quartz vein extending above and below the main access on 400m level, which was originally developed for exploration purposes between 1989 and 1991. Between 2007 and 2012, Scotgold improved the mineral resource delineation at Cononish whilst also seeking to secure planning permission for the development of a mine, on-site processing plant and tailings management facility.
At peak production the mine will operate: 2 single boom drill rigs, 2 LHD’s, 2 low profile dump trucks, in addition to a roof bolter and scaler: Reported from 3D block model with grades estimated by Ordinary Kriging with 15 m SMU Local Uniform Conditioning adjustment. Blasted ore and waste is loaded in the front end loaders which will haul the rock to either an ore pass tipping point, a re-muck bay or into a truck. Beinn Chùirn is a Scottish hill five kilometres west-southwest of Tyndrum, it stands on the border of Stirlingshire and Perthshire at the northern extremity of the Loch Lomond and the Trossachs National Park. 2 0 obj Following completion of a legal agreement, the Decision Notice has now been issued for this application which was granted planning permission at a public hearing in February. The waste is dumped to either the surface waste dump area or into underground stope voids. Minimum vein width is 1.2m. The wider implications beyond Cononish are also significant: The Cononish mineralisation remains open at depth down plunge and to the west along strike.
Pillars will be left between stopes and at surface to ensure ground stability. In my view such decisions should only be taken by the Scottish Parliament and only in the most exceptional circumstances.
Greater Cononish Glen Management Plan (GCGMP). Your email address will not be published. The deposit is situated in the Cononish farm near Tyndrum, on the north-western boundary of the Loch Lomond and Trossachs National Park, approximately 90km from Glasgow.
Isometric view of mine development and stoping. Earlier this month, however, they produced a further document comparing the volume of the materials in the original and in the new application (see here). The more “technical” issues, relating to the design and restoration of the proposed tailings stacks, will be picked up in a further post. The undersized materials will be sent to the fine ore bin, before being fed into a wet ball mill operating in closed circuit with a hydrocyclone. The LLTNPA has a means to prevent the scenario of ever more goldmines being proposed within the National Park and that is to insist that the current planning application is revised so that waste is returned to the mine and the amount stored outside the mine does not exceed the 400,000 tonnes originally agreed. The Sino iron project will be the world’s biggest magnetite iron ore mine when fully operational. In doing this, the LLTNPA could make it clear that it has a duty to consider the potential cumulative impacts of further tailings stacks within the National Park and a duty (having conceded that one mine is acceptable) to ensure the landscape impact is as small as possible.
4 0 obj Explore the Cononish adit (pre enlargement) using the 3D viewer below: The current reserve of gold is confined to a single narrow, near vertical quartz vein extending above and below the main access on 400m level, which was originally developed for exploration purposes between 1989 and 1991. A definitive bankable feasibility study conducted by AMEC in 2011 concluded that a profitable and safe gold mining operation could be established at Cononish. It is among the largest and highest…, Get important industry news and analysis sent to your inbox – sign up to our e-Newsletter here. Totals may not appear to add up due to appropriate rounding, Note: MRE prepared by CSA Global (UK) Ltd in accordance with JORC 2012 – see AIM release: 22/01/2015 – Resource Estimate Update, (Bara Consulting Limited – Ore Reserve Statement dated May 2015), (Estimate based upon JORC 2012 reporting rules, Gold price US$1,100/oz, Silver price US$15/oz and Exchange rate 1.6 US$/£.). Ore drives are created to the point of the mining block, which is split into stopes with a maximum span of 80m. At peak production the mine will operate: 2 single boom drill rigs, 2 LHD’s, 2 low profile dump trucks, in addition to a roof bolter and scaler: Reported from 3D block model with grades estimated by Ordinary Kriging with 15 m SMU Local Uniform Conditioning adjustment. Differentiating diamonds: proving the provenance of precious gems. The project passed through various ownerships, until 2007 when it was acquired by the then newly formed Scotgold Resources Limited. Each stope is separated by a 4m-wide rib pillar, where the payable zone extends over the strike length of 80m.
Cononish Gold Mine Sat 24/8/13 Participants: 16 Leader Chris Sangster ... had produced a map, with plots predicting where the vein would be found. Perhaps the LLTNPA has requested this but unfortunately at present they are refusing to publish the report from their Landscape Adviser about the potential landscape impacts of the development and how they could be mitigated. The oversized materials will be further crushed in the secondary jaw crushers and fed to the screen.
endobj The document shows that I was right to claim that Scotgold want the LLTNPA to approve plans which would result in far MORE material being dumped outwith the mine than was previously agreed. There is therefore potential to add to the resource by further extensional drilling. A workable deposit, with a grade of 9.4 grams per tonne of gold and 53 g/t silver, was proved. These drill drives will be joined vertically by a series of raises, some of which will function as ore passes, while some will be used as airways and travelling ways between the levels. View up River Cononish to Ben Lui.
The Scottish Parliament could help strengthen our National Parks by removing the discretion of the Crown Estates Commissioners to grant gold mine and other licenses in protected areas such as National Parks. Tailings Monitoring – what is the most effective method of monitoring tailings? While the Crown Estate has tried to promote a positive image at Tomintoul, most people will not be aware that without its consent, the Cononish gold mine could never have happened. Gold mines, and the exploration for gold, are controlled by the Crown Estate Commissioners who in 2012 granted an unconditional lease to Scotgold for Cononish. The communication systems at the mine include a leaky feeder radio system for the communication during production and a telephone system for non-production/emergency situations. Instead, the LLTNPA potentially faces years of applications and proposals for new developments and waste heaps. It contains an early-stage Palaeozoic quartz vein structure arranged into multiple sediments of Proterozoic metamorphic rocks.
In terms of landscape impact, in my view the LLTNPA should be asking the developers to prepare photomontages of what the area could look like if the plans to create a new moraine field don’t work. Also, the creation of a tailings dam requires capital expenditure up front – the dam has to be created first (hence the 130,273m3 of earthfill in the table above) – while the cost of creating the proposed tailings heaps would be spread across the life of the mine. Scotgold accesses the Cononish mine under a lease agreement with the Crown Estate Commissioners. In early posts on the new planning application (see here for example) and in my objection to the Loch Lomond and Trossachs National Park Authority about that application, I expressed concern that Scotgold Resources was wanting to dump far more spoil outwith the mine than the 400,000 tonnes which had been previously agreed. In autumn 1988 underground prospecting for gold began at Cononish.
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