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Exploration Methods Explained: Drilling - NSW Mining

Auger Drilling – Auger drilling uses either a hand-held power auger or one mounted on a small vehicle Auger drilling is very similar to a post hole digger used by farmers when fencing and could also be compared to a jackhammer Air Drilling – There are two main shallow air drilling methods, aircore and rotary air blast (RAB)...

Gold Road Resources : New Gold Anomalies Defined in ,

Infill aircore drilling at Yaffler South improved the definition of the gold anomalism over a 18 kilometre strike length New results included an intercept of 22 metres at 038 g/t Au from 44 metres including 4 metres at 124 g/t Au from 46 metres (16SYAC0865) at the contact of a dolerite and felsic tuff unit (Figure 2) The gold anomaly has ....

BeMetals Corp: Private Company Information - Bloomberg

Apr 11, 2019· The infill aircore drilling should improve definition of the current priority copper anomalies returned in Phase 1 for further exploration testing in the 2019 field season...

Robertson GeoConsultants Inc Consulting Engineers and ,

by: S Fortin, MSc and D Duncan The objective of this site is to familiarize the engineer/geo-scientist with certain drilling practices and applications to groundwater-related work in order to help the professional choose a method suited to given project requirements...

aircore drilling definition - inperfectestaatnl

Air core drilling - definition of Air core drilling by The , Define Air core drilling Air core drilling synonyms, Air core drilling pronunciation, Air core drilling translation, English dictionary definition of Air core drilling n 1 the full name for rig16 2 a mobile drilling platform used for exploratory offshore drilling Noun 1 drilling rig ....

air core drilling mining exploration - 1pehalin

Air core drilling - definition of Air core drilling rig n 1 (Mining & Quarrying) the full name for rig16 2 (Mining & Quarrying) a mobile drilling platform used for exploratory offshore drilling Exploration Drilling , Addison Drilling Home › Mining Solutions › Exploration Drilling They are usually set up for air flush drilling ....

An Introduction to Reverse Circulation Drilling - Castle Drill

Mar 14, 2016· Reverse Circulation drilling, or RC drilling, is a method of drilling which uses dual wall drill rods that consist of an outer drill rod with an inner tube These hollow inner tubes allow the drill cuttings to be transported back to the surface in a continuous, steady flow...

Air core drilling - YouTube

Oct 05, 2008· Aircore drilling up at Whim Creek How to build your own swimming pool All process, step by step (in only 30 minutes)...

Mining Services — Foraco

Mining Services Exploration There are multiple parameters that drive an exploration drilling contract, ranging from the accessibility of the drilling site, topography, water supply, ground conditions and the customer’s technical requirements The Company addresses the needs of each project, providing technical advice to the client and ....

RC drilling confirms resource potential of K4/K5 prospect ,

Oct 30, 2013· “We now have the confidence necessary to embark on a major resource definition aircore and RC drilling campaign at the K4/K5 Prospect during the 2013-14 field season as funds permit “While it appears that the grade of mineralisation along the main Madi Zone is lower than ideal for a conventional CIL operation, the indicative metallurgy ....

Exploration diamond drilling - Wikipedia

Exploration diamond drilling differs from other geological drilling (see Drilling rig) in that a solid core is extracted from depth, for examination on the surface The key technology of the diamond drill is the actual diamond bit itself It is composed of industrial diamonds set into a soft metallic matrix...

Further Outstanding High-Grade Drilling Results at Antoinette

An aircore rig has been undertaking the first ever drilling at the large, high tenor Veronique gold-in-soil anomaly The rig has now completed five aircore lines spaced 400m apart testing the central 16 kilometres of the +8 kilometre Veronique target Each aircore line is 1,000 - 1,600 metres long and drilled on a ‘top to toe’ basis...

Drilling rig - Wikipedia

Air core drilling can occasionally produce small chunks of cored rock This method of drilling is used to drill the weathered regolith, as the drill rig and steel or tungsten blades cannot penetrate fresh rock Where possible, air core drilling is preferred over RAB drilling as it ,...

BEMETALS RETURNS POSITIVE RESULTS FROM PHASE ,

(“Pangeni Project”) in ZambiaA Phase 2 aircore program is underway already and will include infill aircore drilling of priority targets generated from Phase 1 drilling, and the initial testing of other compelling regional targets on the Pangeni property The infill aircore drilling should improve definition of ,...

NEW GOLD ANOMALIES DEFINED IN REGIONAL AIRCORE - ,

Infill aircore drilling at Yaffler South improved the definition of the gold anomalism over a 18 kilometre strike length New results included an intercept of 22 metres ,...

Yandal Resources to serve up new drilling after success at ,

Yandal Resources Ltd (ASX:YRL) will serve up 6,000 metres of drilling next month after receiving encouraging aircore drilling results from the Ironstone Well and Barwidgee gold projects in WA’s ....

aircore drilling definition - resourcepluscoza

aircore drilling definition Aircore - Wallis Drilling , Air core drilling is a well-known and widely used method when it comes to soft rock and soil formations that don’t need heavy machinery in order to drill through to the desired depth The standout feature of this drilling method is that it makes use of three blades that cut into the ....

DRILLING COMMENCES AT HIGHLY PROSPECTIVE VIKING ,

The program, will comprise up to 3,000m of aircore drilling and is anticipated to be followed up with resource definition RC drilling, focusing mainly on the Beaker 2 and Beaker 4 prospects The results from the November 2016 aircore program (see GMD ASX Release December 13, 2016)...

FOLLOW-UP DRILLING TO COMMENCE AT LADY ILSE; ,

FOLLOW-UP DRILLING TO COMMENCE AT LADY ILSE; DEFINITION OF 5KM LONG REGIONAL SCALE TARGET Highlights: • RC drilling to follow-up exciting gold intercepts in aircore drilling at Lady Ilse will commence on 8/01/2018 • The RC program will test for extensions of the gold mineralisation to the east and at depth...

BeMetals’ drilling at Pangeni Copper Project yields ,

The infill aircore drilling should improve definition of the current priority copper anomalies returned in Phase 1 for further exploration testing in the 2019 field season The Phase 1 aircore results indicate both the efficient nature of the exploration approach to testing of the Pangeni Project and the thin to moderate (average approximately ....

RC DrillingWhat is RC Drilling? - RC Drilling

RC drilling ideally produces dry rock chips, as large air compressors dry the rock out ahead of the advancing drill bit RC drilling is slower and costlier but achieves better penetration than RAB or air core drilling; it is cheaper than diamond coring and is thus preferred for most mineral exploration work...

Reverse Circulation (RC) Drilling: Theory, Mechanisms and ,

Jul 27, 2012· Reverse circulation (RC) drilling has become standard practise in most mines across the world First developed in Australia in the 1970’s, the drilling technique was originally conceived as a solution to drilling difficulties encountered when using open hole techniques in soft mineral sands...

Exploration Update Aircore Drilling Recommences in Lake ,

Aircore Drilling Recommences in Lake Lefroy Key Points: • Aircore drilling recommenced to follow up two key gold prospects identified from an earlier drilling campaign undertaken by the Company on Lake Lefroy • Prospects located adjacent to the interpreted position of the Woolibar Fault, a...

What is Air-core Drilling? - Three Rivers Drilling

Everything You Need To Know About Air-core Drilling As a widely used method, air-core equipment drill soil formations and soil rock up to the desired depth Air-core drilling is an excellent alternative to heavy machinery to provide optimal comfort It comes with different and sharp blades that ensure a ,...

ASX Announcement LAKE WAY DRILLING CONFIRMS LARGE ,

Figure 8 Aerial photo plan view of aircore anomalies East of Williamson, with geophysical structural interpretation (red lines) and peak aircore anomalies A = 292ppb, B = 371 ppb, and C = 55 ppb Further reserve definition infill drilling is planned at the Williamson satellite deposits and under the Williamson...

Reverse Circulation - DRILL LIMITED

Reverse Circulation (RC) - RC drilling is the most common type of drilling undertaken and is typically used to drill to depths of approximately 400 metr RC drilling is generally faster than diamond core drilling and generally produces better samples and better penetration than rotary air blast drilling (RAB)...

MRG Metals Ltd: Private Company Information - Bloomberg

A draft aircore drill program has been developed on the basis of approximately 5,000m of drilling and an update announcement will be provided shortly after completion of a reconnaissance site ....

Air-Core Drilling

Air-core drilling is relatively inexpensive and is often used in first pass exploration drill programs Air-core drilling is limited to depths of 50-60 metres and is drilled using a smaller rig known as an Air-core rig It is possible to use hammer or tri-cone roller for drilling through cap rock at the top of the hole, but not for hammer tails...

LEFROY EXPLORATION LIMITED Exploration Update: Aircore ,

each hole resulted in the definition of three key anomalies (+100ppb Au) over the 3000m of strike length evaluated by the Company along the Lucky Strike Trend The results from the two phases of relatively wide spaced early stage air core drilling are considered by the Company to be significant when placed in a regional geological context...

OUTSTANDING NEW HITS OF UP TO 198g/t FROM AIRCORE ,

a combination of deeper RC drilling and resource definition drilling within the main resource target zone and additional aircore drilling to further evaluate the overall extents of the Beaker 2 anomaly “We are very encouraged by the results to date, and we believe there is good potential to define a...