Drifter longhole mining

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PHQ3000LHP Pneumatic Carrier - PHQ Global

PHQ3000LHP Pneumatic Carrier. The all new PHQ3000LHP Drill Carrier sports the rugged and dependable PHQ36IR Independent Longhole Drill mounted on a MKV Feed Assembly with PHQ21002 Five Lever Remote Control Panel and PHQ15001H Heavy Duty Centralizer

A long hole stoping system for mining narrow platinum reefs

Mining layout See Figure 1 and Figure 2 for a detailed description. Drill rig The drill rig was a combination of a Secoma P-Low LC 10 long hole feed and an Axera low profile carrier. The choice of this equipment was made through consultation with Tamrock A long hole stoping system for mining …

Underground Drilling and Blasting Training DVD - ACG

Oct 23, 2012· Underground Drilling and Blasting Training DVD - ACG ... to provide workers with the critical knowledge on drilling and blasting to aid appreciation of the importance of these mining …

Continental Gold Extracts High ... - Junior Mining Network

Continental Gold Extracts High-Grade Gold by Mechanized Long-Hole Mining at Buritica, Colombia ... Plan view channel sample composites from the long-hole drilling drift at elevation around 1,547 ...

Rock Drifter - Hydraulic Rock Drifter and Pneumatic Drifter

DRILLMAN Rock Drifter is designed for Long Hole drilling in underground mines, grouting hole for surface mining and construction applications as well as for drifting and tunneling. DRILLMAN Rock Drifter features a 120 MM piston diameter and a powerful impact and rotation mechanism.

Longitudinal longhole retreat - QueensMineDesignWiki

Longitudinal longhole retreat is a branch of the generic mining method known as sublevel stoping. For longitudinal retreat the long axis of the stope is along (or parallel) to the strike of the orebody. It may also be referred to as bench stoping or sublevel benching.

Top hammer drilling tools - Mining & Rock Technology

rock tools for top hammer drilling are designed to transmit intensive impact energy into the rock with the least possible loss of energy. The result is good rock breakage, high penetration rates and high productivity. Along with optimal hole quality, great reliability and long service life, tools deliver you the best possible blasting results, outstanding drill-steel economy ...

Major Mines & Projects | Leeville Mine

The majority of the underground ore as well as higher-grade surface refractory ores are processed through the roaster (Mill 6), which consists of a grinding circuit, roasting circuit and …

Lecture 4: Underground Mining - SlideShare

Nov 02, 2011· Underground mining, Underground mining methods. Lecture 4: Underground Mining 1. Hassan Z. Harraz [email protected] 2010- 2011 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Mining Equipment for Sale or Rent - Division of Mining and ...

Trams and drills on diesel so no need to connect to mine power. Available with either Secoma Hydrastar 300 or 350 drifter. Certified ROPS. 48" wide unit for those narrow development or production locations. NVT telescope feed 7.5' to 11.5 drill depth. Has NV 6 feed and umbilical cable remote controls for longhole drilling. Fire suppression.

Types of Underground Mining Method Comparison

In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine.

Coeur Alaska, Kensington Gold Mine – A Mining Employer of ...

Mining will be conducted underground via ramp access. The primary mining method will be longhole open stoping with drift and fill mining used in the flat-lying, higher grade zone. In some areas, stopes will consist of initial sill development followed by uphole drilling and …

Description of mining methods (step by step) - nvp-pgf.org

Description of mining methods (step by step) Apollo Gold Corporation - Diamond Hill mine (U.S.A) ... The long-hole mining begins by the excavation of an open raise. The drilling is done from the lower level and the blasting from the upper level. ... Ore drift: The orebody is open up to …

Stoping - Wikipedia

Long hole stoping. Long hole stoping as the name suggests uses holes drilled by a production drill to a predetermined pattern as designed by a Mining Engineer. Long hole stoping is a highly selective and productive method of mining and can cater for varying ore thicknesses and dips (0 - 90 degree).

Underground mining (hard rock) - Wikipedia

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. Soft rock mining refers to excavation of softer minerals such as salt, coal ...

the drifter mining machine - riversidevets.co.za

The Drifter Mining Machine . The Gulin product line, consisting of more than 30 machines, Mining, DRILLMAN Rock Drifter is designed for Long Hole drilling in underground mines, Drifter drill Wikipedia. A drifter drill or drifter is a hydraulic or pneumatic rock or ground drill used to make horizontal holes in tunnel construction and mining ...

Improved technologies in longhole blast hole drilling ...

Improved technologies in longhole blast hole drilling, applied to dropraising and longhole stoping as well as the application of a small twin boom mechanized drillrig by P.H. Ferreira* Synopsis 'Longhole blast hole drilling' techniques are not new to the mining industry. Appropriate mechanization and improvement of …

Transverse longhole stoping - QueensMineDesignWiki

DL421 is an electro-hydraulic, longhole drill rig engineered for large-scale production drilling in underground mines. This versatile rig has been designed for vertical and inclined plane rings and fans, as well as parallel long production holes and long single holes with a diameter of 64 to 115 millimeters (2 ½ to 4 inches), and a depth of up to 54 meters (177 feet).

Hard Rock Equipment - Underground Mining | Mining ...

Hard rock equipment We have an extensive product suite of hard rock mining equipment, including hydraulic jumbo drills, in-the-hole production drills, drifters, loaders, and trucks. In addition, we offer a full line of raiseboring tools and blasthole drilling tools .

C-2 Eagle Project Geotechnical Study

Table 14 Drift Dimensions by Mining Method Table 15 Eagle Project Rock Mass Classification Table 16 HR for Longitudinal Longhole Mining Table 17 HR for Transverse Longhole Mining Table 18 Stability Number A Value Table 19 Stability Number B Value Table 20 Stability Number N' vs. Qequiv

the drifter mining machine - resilience-foundation.nl

the drifter mining machine - nenssnl. the drifter mining machine 48 7594 Ratings The Gulin product line, consisting Drifters are used in mining, construction, Genex Mining Co Ltd For Sale Drifter Manufacturers,Drifter Suppliers,Drifter Exporters DRILLMAN Drifter is designed for Long Hole drilling in underground mines, grouting hole for surface ...

Underground Drilling - International Mining

In this month's Spotlight Feature Article, from the pages of the June 2012 issues of International Mining, Editor Paul Moore reports that Underground Drilling remains a challenging environment, so continued improvements from key machine and component suppliers continues to help mines improve efficiency, particularly as operations go deeper.

Blasthole stoping | Britannica.com

Other articles where Blasthole stoping is discussed: mining: Blasthole stoping: When the dip of a deposit is steep (greater than about 55°), ore and waste strong, ore boundaries regular, and the deposit relatively thick, a system called blasthole stoping is used. A drift …

Longhole - Welcome to the Narrow-Vein Mining Project

Longhole This method consists in a variety of chambers where the mine blocks are generally cut by sub-levels from which long holes are drilled in plans that are generally parallel. These boreholes allow to blast the block by successive vertical break.

S36 drifter style rock drill designed for deep hole ...

S36 Rock Drill. The S36 rock drill is a market leading drifter style rock drill with a powerful 144 mm diameter bore and independent rotation. It is designed for deep hole drilling in both surface and underground applications when mounted on suitable feed systems.

Mining Lode

Cut and fill mining is an expensive but selective method, with low ore loss and dilution. * Drift and Fill is similar to cut and fill, except it is used in ore zones which are wider than the method of drifting will allow to be mined. In this case the first drift is developed in the ore, and is backfilled using consolidated fill.

Underground Mining, Underground Mining Equipment ...

Underground mining is carried out when the rocks, minerals, or precious stones are located at a distance far beneath the ground to be extracted with surface mining. To facilitate the minerals to be taken out of the mine, the miners construct underground rooms to work in.

Major Mines & Projects | Pete Bajo Mine

Carlin's integrated mining operations consist of four open pits and four underground mines. The underground mines include Leeville, which is a shaft mine, along with Chukar, Pete Bajo and Exodus, which are portal mines.

A New Perimeter Control Blast Design Concept for ...

Drift driving is an important part of bringing metal/nonmetal mines into operation. Drifting provides access to an orebody for openings such as main haulage ways, main levels, ramps, crosscuts, sublevels, etc. The width, height, cross-sectional shape, and length of a drift …