Some veins sets are simply too narrow or geotechnically complex to be mined profitably using these methods. Novamera Inc. may have found the answer. The startup, which is a spin off from Canadian gold producer, Anaconda Mining, has developed a technique called Sustainable Mining by Drilling (SMD). The system was originally conceived to exploit ...
For Fx6 and Fx9 zones, long-hole method with 64 mm (2.5 in) diameter boreholes has been selected. Drilling is performed upward or downward on lengths varying between 15 m and 18 m (49 ft and 59 ft). Criteria for method selection are based on: location of …
Hey Ben! I am currently working a narrow vein system in Mexico. High grade veins (15-40gpt) at ~ 30 degrees. Currently operating with slushers and …
Platinum was based on the current trackless mining method practised by Union Section. The trackless mining method is better described as a trackless development and transport method. Reef strike drives were installed approximately 40 metres apart on dip using trackless equipment. Reef was mined using hand-held pneumatic rock drills and scraper
systems or trackless systems/movable vehicles. Each system described above is still widely popular for those various specific reasons. The considerations of transport systems for ore/coal, persons, materials and equipment are major factors in the decision to use drifts and/or shafts for a mine. 2. From Surface to Underground/Vice Versa
The Trident Gold Deposit is centred on the historical Higginsville Mining Centre, between the world class gold centres of St Ives (+15 Moz) and Norseman (+6.5 Moz) in Western Australia's productive eastern goldfields. It lies towards the southern end of the Norseman-Wiluna Greenstone belt in the Archaean Yilgarn Craton. The current in situ resource for Trident is …
"Determining the optimum system and equipment to be utilized in today's underground trackless haulage mine is a complex problem which was dealt with in this research by systems simulation. The computer program developed by the Tractor Company served as the starting point for simulating the equipment's capabilities to move material over a course in a prescribed time.
Underground hard rock haulage. Breakout force, speed, reliability and operator comfort are key to maximizing hard rock hauling cycles and hitting your production targets. Our full line of LHDs delivers the performance in the areas you need. From narrow vein designs to super-efficient hybrid drives, there's a LHD ideal for your ...
As noted in last year's review (Niche Machines for Narrow-Vein Mining), Boart Longyear's focus for narrow-vein applications is on long-hole rigs for stoping. Weighing just 3.75 mt, its StopeMate pneumatic production drill is small enough to fit through a 1.3-m x 1.9-m (50 x 75-in.) opening, and can fit into a man cage with no disassembly.
The invention discloses a trackless mining method for a gently inclined vein by adopting a rockhole ore removal system as a ramp. The trackless mining method comprises the following steps: ore body dividing, ventilation shaft arranging, ore removing and laneway excavating, laneway constructing, primary ore removing, primary stoping and filling, secondary ore …
LH202 narrow-vein loader (LHD) M. Equipment. 1k followers . Mining Equipment. Heavy Equipment. . Truck Cranes ... Maquinaria Pesada & Trackless. Big Rig Trucks. Dump Trucks. Trucks For Sale. Savona. Mercedes 926 engine. 322 HP. 5864 hrs. Open cab with ROPS. Unit includes back up camera. Good condition.
Figure 1 — Graph showing annual operating cost for 25 cm of dilution for a typical narrow vein mine (assumes unit dilution direct operating cost at $25 per metric ton (mt) and 500,000 mt/y). (Source: Emesent) Eyes on the Ground. Dilution in narrow vein mining, whether above or below ground, can make a significant and material impact on the ...
Details. Mining Technologies International Inc. (MTI) LT-350 / 250M-300M Series LHD. Web site. Details. Mining Technologies International Inc. (MTI) LT-70 / 50M LHD. Web site. Details.
The new equipment we developed for this project met all of Goldcorp's requirements for narrow-vein mining. The line has since become part of Marcotte's standard fleet designs. For further information, contact: Timberland Equipment Limited Tova Gossling Digital & Social Media Coordinator 1-705-566-5030
For Fx6 and Fx9 zones, long-hole method with 64 mm (2.5 in) diameter boreholes has been selected. Drilling is performed upward or downward on lengths varying between 15 m and 18 m (49 ft and 59 ft). Criteria for method selection are based on: location of …
It has long been recognised that narrow vein mining needs innovative approaches to mine access and mining methods in order to improve the economics of this vital part of the mining industry. The mining equipment used currently requires large openings in narrow vein-type deposits making mining operations uneconomical.
Meanwhile, the DD210-V is a compact narrow-vein single-boom electro-hydraulic drill rig designed for drilling in sections as narrow as 3.2 m (10 ft. 6 in.). It can be used for development, bolting and/or production drilling.
The application of underground pre-concentration technology to narrow vein mining has the potential to change the entire economics of bulk mining methods when used in narrow vein situations. The rejection of waste at or near the face means that a higher-grade ore can be sent to surface. The waste rock can be reused directly as backfill.
The advantages of narrow vein mining are multiple. Firstly, the initial capital expenditure for a narrow vein operation is much lower, as it is a small operation with smaller and less equipment than traditional mining methods. Secondly, narrow vein mining is …
The Trackless anti-icing/de-icing spray system is designed specifically for liquid salt brine applications. Anti-icing prevents the bond of snow and ice from freezing to the sidewalk. De-icing is the first step in the process of removing snow or ice from the sidewalk. The Trackless brine system is excellent to use in downtown core areas so that ...
3.5 Trucklift system. The Trucklift system is a new development in haulage systems which was developed by Siemag Tecberg. This slope hoisting system accelerates transport from the mine. It can overcome an angle of repose of 50 degrees at 8 m/s. Conventional haulage will require many trucks, which can be reduced by this method.
The Great Eastern Gold narrow vein mining methods allow for a pay gravel grade much higher than the Australian average. In addition to the high grade of gold achieved with these techniques, the smaller excavation size means that installation, maintenance and running costs are all significantly less than in large operations. In combination with ...
"Determining the optimum system and equipment to be utilized in today's underground trackless haulage mine is a complex problem which was dealt with in this research by systems simulation. The computer program developed by the Tractor Company served as the starting point for simulating the equipment's capabilities to move material over a course in a prescribed time.
The EMTS provides competitive haulage rates in substantially smaller excavations than is currently achievable. According to simulation results, the electric loader in conjunction with the EMTS had the same number of blasts as the conventional system and hence the same advance rate of 3.33 m per 12 hour shift.
Evaluation of low profile electric loader in conjunction with electric monorail haulage system in narrow vein mining, in Proceedings Narrow Vein Mining 2012, pp 221-228 (The Australasian Institute of Mining and Metallurgy: Melbourne). Full Article Download: (405 kb) OneMine, Inc. [email protected] +1 303 948 4248 ...
The application of underground pre-concentration technology to narrow vein mining has the potential to change the entire economics of bulk mining methods when used in narrow vein situations. The rejection of waste at or near the face means that a higher-grade ore can be sent to surface. The waste rock can be reused directly as backfill. Swelling of the muck through …
Narrow Vein and Reef 2008 G A Harrison _____ Page 2 used in semi-steep reef dips up to 30° in hybrid breast mining for stope face cleaning to replace face scraper winches . Roll out of these Dozers are now in progress Executive Summary Mechanisation in Anglo Platinum needs to be achieved in a narrow tabular ore body in stope
increased the daily walk by 2 minutes weekly. I am now up to 46 minutes daily. This was all made possible because I stop every 5 minutes. My doctor said. for this narrowing of veins in the legs, surgery can be very risky. She encouraged. me to keep up the daily walking that I am doing. Has anyone experienced.
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In the South African mining industry there is considerable interest in remote controlled and automated scraper winches. Remote control face scraper winches were trialled at Western Holdings in the ...
Narrow vein systems represent an important source of gold, which have generally been exploited by small to medium sized companies. Their evaluation poses particular problems because of their grade and geological complexities. The determination of grade is arguably the most important activity in resource estimation, as it is generally grade and not tonnage that …
This is particularly true of narrow vein-gold deposits whose resources are generally relatively small, though medium to high-grade (6 - 40+ g/t). They often display extreme grade anisotropy in all directions. Two grade populations are generally observed; 1) low, often subeconomic, background grades and 2) high-grades associated with discrete ...