Cut and fill mining is a method of short-hole mining used in steeply dipping or irregular ore zones, in particular where the hanging wall limits the use of long-hole methods. The ore is mined in horizontal or slightly inclined slices, and then filled with waste rock, sand or tailings .
Whether you are beginners or professionals, you may always count on us to find you drilling solution that suit your needs either in core sampling hole, a blast hole for construction or mining…
The Blasthole Drill Machine with special carriage allows to drill blast holes with a deepness up to 100 m. For that purpose, 28 units of leverages with a length of 1,9 m are situated in the magazine which are bolt together automatically one after another and broke again.
Mining in a wider sense includes extraction of any non-renewable resource such as petroleum, natural gas, or even water. Drilling is a cutting process that uses a drill bit to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point.
Every mining operation has had to deal with damaged drill rods or stalled operations due to hole deviation. While your choice of equipment can help, good operating practice is the most effective way to mitigate the problem.
The Exploration Department at Rosebud maintains an extensive database of drill hole records and other coal-related geological data, and we have an unparalleled knowledge of the coal geology of Western Pennsylvania and Eastern Ohio.
As a sub-contractor with fleet of Mobile Lighting Plants, Earth Moving Equipment and De- Watering Pumps supported by well-equipped mobile workshop and highly trained technical staff the company performs the following work for various mining industries. RC Drilling. Blast Hole Drilling. Diamond Drilling. Sub Horizontal Drilling (Weeping Holes).
Rotary-percussion air drilling is the simplest and most economical solution for taking the first steps in mining exploration. Performed using a triblade or down-the-hole hammer; of varying diameters between 3 and 6 inches, samples exit along the borehole walls.
Mining Drill Rigs Providing you the best range of btl-tmr-150 solar drilling machine, excavator mounted blast hole drilling machine, blast hole drill rig and under ground mining drilling rig with effective & …
Blasthole drilling tools We have designed and introduced a variety of rotary blasthole tools to meet the increasing drilling needs of our customers. All of our blasthole tools are designed to provide top performance and value: less rig maintenance, more productivity and lower operating costs.
Along with tools and accessories Total Eden supply a wide range of consumables used in bore hole drilling or mining. These include drilling muds and bentonite in granule, liquid or powder forms. We carry many types of cement and concrete and a selection of grades of gravel & sand in 25kg bags.
Oct 28, 2018· The company announced a total of 37 intercepts in 17 drill holes and six wedges focused on infill of the Main Windfall Lake and Lynx deposits and on deep-exploration targets. ... Osisko Mining …
Sep 26, 2016· Drill Testing To Sample Gold Deposits Test process drilling for gold is an important step in the every prospecting and gold mining industry. Test drilling is a step that is used continuously to obtain samples of bedrock in the land of gold mining project.
Our drilling rigs offer a variety of feed lengths, positioning configurations, rock drills, and optional automated features for underground production drilling and blast hole drilling in mining and tunneling.
Drilling Tools for the Mining Industry. Precise and efficient rock drilling tools are vital in today’s modern global mining environment. Rockmore International has been serving the mining industry for more than 65 years with quality percussive tools to increase production and efficiency in the extraction of gold, silver and other metals and minerals.
Our rotary blasthole drills are productive solutions for all mine types. When you need to meet your drilling and blasting needs at the lowest cost per meter drilled, these powerful and reliable systems make P&H drills your best choice.
The D25KS down-the-hole (DTH) blasthole drill is a durable and cost-effective choice for use in large quarries, and in gold and other metal mines. The drill is ideal for mining contractors, with easy transportation. It drills holes with a diameter of 127 - 172 millimeters (5 - 6 ¾ inches), and at a maximum depth of up to 27 meters (88 feet).
Drill Testing To Sample Gold Deposits Test process drilling for gold is an important step in the every prospecting and gold mining industry. Test drilling is a step that is used continuously to obtain samples of bedrock in the land of gold mining project.
Diamond Drill-Hole Drilling. Posted by: David Tilley in Drilling, Drilling and Drill Results, Exploration Basics. ... Diamond drilling provides the most detailed geological and geotechnical information available prior to mining. Diamond drilling is the result of months, or years of field work and is a significant investment in a prospect. ...
Rotary drilling tricone bit is essential for Borehole Rotary drilling such as for Piling Drilling, Foundation Drilling, Mining Drilling, Oil/Gas Drilling and Water Well Drilling. Normally it works with mud pump or air compressor as drilling fluid to take the cuttings out of the hole.
Dec 05, 2008· Sinkhole drains entire lake and surrounding buildings into a salt mine shaft.
The DR410i is designed for rotary drilling applications with a hole range of 200-225mm (77/8-9”) and down the hole applications with a hole range of 152-225mm (6”-9”).
Drilling has to stop when groundwater is encountered as the hole quickly becomes clogged with mud. Surveying A Drill Hole. The deeper the drilling the greater is the need for down-hole surveys. These are important drill holes can be very off course. A survey will confirm the actual angle and direction of the holes at a specific depth.
Hammerstein Mining & Drilling cc’s vision and mission is to become one of the leading companies in mining and drilling services in Namibia and aboard. Therefore, the company shall relate the strategy with its business objectives which are clearly indicated on its mission, vision and values.
DU311 Articulated in-the-hole production drill rig DU311 is a center-articulated, carrier-mounted in-the-hole (ITH) drill rig designed for high mobility and utility in underground mining. This compact machine was developed with an on-board reciprocating booster for the productive drilling of holes with a diameter of 89 to 216 ...
A steel drill with a wedge point and a hammer were first used to drill holes for placement of explosives, which were then loaded into the holes and detonated to break the rock. Experience showed that proper placement of holes and firing order are important in obtaining maximum rock breakage in mines.
Drilling depth: 0 m - 25 m... Long hole drilling machine is the most versatile percussion drill machine for tunnelling, "drifting & long hole drilling" and cable bolting for roof supports. The equipment is capable ...