Modernisation Towards the mine of tomorrow Chamber of Mines

Today most deep level underground mines are aging with travel times to the face sometimes reaching an hour of a cyclical drill and blast suite of equipment that mechanises all activities in the stoping and development cycle Massive investment is required with initial focus on narrow reef hard rock mining equipment


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Google Answers Deep Reef Mine Automation

Q Deep Reef Mine Automation Answered 4 out of 5 stars 1 Comment Hello stormforge ga Bill I have tried to find as many references to technolgical advances in deep mining and reef mining as possible This equipment includes remote operation automation and precise drilling of the gold ore


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Top 10 Technologies The Ones to Watch Schlumberger

2 May 2015 company announced partnerships with three equipment producers to develop new systems for deep underground mines Aker Wirth and REEF MINING Mining officially inaugurated a new hard rock cutting test rig on March 3 at its competence centre for mechanical cutting in nbsp


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A Brief History of Mining at the Bendigo Historic Reserve DoC

for the quartz reefs that gave rise to the gold in the creek Logan found a The Hawea Saw Mills would supply timber to Bendigo in any quantity at the cost of 16 shillings per 100 foot Cromwell Argus 20 4 1870 The mines were prodigious In June the company put in a tramline from their 75 foot deep mine shaft to the nbsp


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South African Gold Mine MINING com Video

Mining for gold in a South African underground mine Footage from Gold The History of Man 39 s Greatest Obsession


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Image Horsedrawn whim on a gold field at Gympie 1870 80 Scootle

This horsedrawn whim pictured on the Gympie gold field in the 1870s was used to haul buckets of excavated ore up a mine shaft Steam powered poppet heads were eventually used in deep reef mines Timber was needed to feed new mining machines and waterways were fouled diverted and irreparably changed


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The top ten deepest mines in the world Mining Technology

11 Sep 2013 It is currently the fifth deepest mine in the world as it exploits the Ventersdorp Contact Reef VCR up to a depth of 3 276m below the surface Ashanti engaged 19 underground drilling machines at Moab Khotsong in 2012 to increase the mineral resource base and extend the mine 39 s life up to 2040


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South Deep Gold Mine Gold Fields

South Deep is located in the West Rand Goldfields situated in the geologically unique and world renowned Witwatersrand Basin which remains the most significant gold depository in the history of mining The discovery of the payable Ventersdorp Contact Reef VCR and Upper Elsburg conglomerates in the early 1950 s nbsp


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Sovereign Hill Education Mining Technology Research

There were three main methods of mining used on the Ballarat field Surface Alluvial Mining Deep Lead Mining and Reef Quartz Mining Most gold on


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Gold Reef City Mine Tour Johannesburg South Africa MINING

At Gold Reef City Theme Park you can descend down a 220m Gold Mine shaft with a guided underground tour also watch a 12 5kg gold pour


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Drive to Mine the Deep Sea Raises Concerns Over Impacts Yale

20 Oct 2014 Armed with new high tech equipment mining companies are targeting vast areas of the deep ocean for mineral extraction But with few regulations in place critics fear such development could threaten seabed ecosystems that scientists say are only now being fully understood


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Gold kidcyber

A third kind of gold mining was reef mining Layers called reefs of quartz rock containing gold are found deep in the earth Quartz is a hard white rock Deep shafts and drives had to be dug and all the rock dug out had to be hoisted to the surface Big engines hoisted lifts for the miners and buckets of gold from the shafts


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Narrow reef mechanized mining layout at Anglo American Platinum

operations requirements For the purpose of this paper we will focus on a scattered breast mining method utilizing ULP equipment However it is important to emphasize that the mining method can change based on the operation 39 s stoping width mine depth and angle of reef dip resulting in condition based mine design nbsp


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Charters Towers Gold Mine Shafts and Remains Australian E

Gold mining in Charters Towers was characterised by deep underlie shafts with levels striking the various reefs that ran through the field Vertical shafts were also a feature of the Because Charters Towers Goldfield was a reefing field it required capital and equipment for its development Underground mining of this nature nbsp


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The gold mining life cycle Mining for schools

Miners mining materials and equipment are transported deep underground via the mine cage in the vertical shaft which can go to depths of up to 3 5km below the surface Open pit gold Once the stope face has been established and the gold bearing reef exposed drilling begins in preparation for blasting of the reef


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Quartz reef mining Wikipedia

Quartz reef mining played an important role in 19th Century gold mining districts such as Bendigo Victoria Central Otago in New Zealand and the California mother lode In at least the shallow oxidized zones of quartz reef deposits the gold occurs in its metallic state and is easily recovered with simple equipment


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Quartz reef mining Wikipedia

Quartz reef mining played an important role in 19th Century gold mining districts such as Bendigo Victoria Central Otago in New Zealand and the California mother lode In at least the shallow oxidized zones of quartz reef deposits the gold occurs in its metallic state and is easily recovered with simple equipment shafts sunk to mine quartz from the reefs sometimes deep underground


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Operation and Cost Analysis of a Partly Mechanized Small Scale

15 May 2001 Mining Engineer ABSTRACT The economically successful operation of partly mechanized small scale mines in Ghana could fill the gap between large scale industrial and foreign crushing seeving and milling equipment bottom of the valley along reef strike to ascertain the reef width in depth and to


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Gold Mine Operations Citigold Corporation

There is a common management and equipment infrastructure that is available to the mines The next commercial gold production area is the Central mine Citigold has substantial development works in the Central mine area including a 238 metre deep production size decline two ventilation shafts power workshops etc


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South Deep Gold Mine Gold Fields

The reef horizons exploited at South Deep include the Ventersdorp Contact the aid of mechanised mining equipment after completion of the de stress mining


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Top 10 deepest mines on the planet 911

7 Jan 2014 Did you know that eight of the ten deepest mines in the world are located in just Operating depth contains reefs at a depth of more than 3 7km Checkout our Checkout Mining Process amp Lab Equipment SelectionCLICK


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A hard rock narrow reef mining machine ARM 1100 SAIMM

industry However most if not all the narrow hard rock reef mines where 39 trackless mechanized mining 39 was introduced or coal mining equipment This implies that new equipment making use of tried and tested The depth of cut largely dictates the production performance of the machine and that in turn is controlled by


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The Great Barrier Reef and the coal mine that could kill it

1 Aug 2014 The Carmichael coal mine owned by India 39 s Adani Group will cover 200 sq km and produce 60m tonnes of coal a year – enough to supply electricity for 100 million people Located in Queensland 39 s Galilee Basin 400km inland from the reef it will require a major rail line which is yet to receive final nbsp


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Luli South African History Online

15 Oct 2015 We shall see later how the problems of deep level mining were solved Low Grade Ore The reef of gold that runs underground is very thin It has been compared to a 39 page in a very thick book of rock 39 In South Africa there is much less gold in each ton of ore than in other countries that mine gold The ore in nbsp


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Modern mining Re thinking the way we mine – a challenge in

9 Sep 2014 The Twin Shafts at Gold Fields 39 South Deep mine Then take a trip to AngloGold Ashanti 39 s TauTona mine where the gold reefs are so narrow that tonnes of sterile waste rock would have to be moved to give mines access when mining by conventional methods At TauTona new reef boring machines nbsp


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Mining Technology Overview Theme Electronic

The very earliest gold extraction equipment used by diggers were the cradle and of mining methods such as puddling quartz reef mining deep lead mining


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The World 39 s 10 Most Prolific Gold Fields CMI Gold amp Silver

31 Mar 2011 Mining in the Witwatersrand Basin is accomplished by creating deep underground tunnels that are necessary to reach the plentiful reserves The Tau Tona Mine features Even today operations occasionally unearth old mining tunnels complete with abandoned mining equipment The Super Pit covers an nbsp


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Reef Gold and Hard Rock Mining Australian Gold History amp Culture

7 Mine Shaft 6 Ore Crusher The quartz reefs that had eroded supplied the alluvial gold that fuelled the gold rush The rest of the reef that remained in the ground was the ore for the In this steep and hilly country adequate water supply was not usually a problem with the many creeks and rivers throughout the bush


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Gold Gold Trails

16 Aug 2015 Reef mining operations typically started as small scale ventures As the work developed down to deeper ground better winding equipment


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South Deep Gold Mine Gold Fields

31 Dec 2011 Gold Fields South Deep Gold Mine – Technical Short Form Report 2011 3 Salient features the Ventersdorp Contact Reef VCR of the Venterspost Formation as a secondary reef mechanised mining equipment and


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Target 1 Harmony Gold

Mining operations at Target 1 comprise one primary underground mine with a depth of approximately 2 945 metres While most of the ore The gold mineralisation currently exploited at Target 1 is contained within a succession of Elsburg and Dreyerskuil quartz pebble conglomerate reefs Target 1 manages its risks by nbsp


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Top 10 deepest mines on the planet 911 Metallurgist

31 Aug 2017 Do the Right Test Offer Proper Advice Select the Correct Equipment Mponeng mine 2 TauTona mine 3 Savuka mine 4 Driefontein mine 5 Kusasalethu mine 6 Moab Khotsong mine 7 South Deep mine 8 The pit consists of eight producing shaft systems extracting gold ore from three reefs


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Luli South African History Online

15 Oct 2015 This type of mining became known as deep level mining Prospectors found that they needed special machines to get the gold that was so deep down the thin reef of gold so deep down under the Witwatersrand stretches for


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Gold Mining The Old Courthouse Museum Batemans Bay

widespread in the earth 39 s crust and can be concentrated into ore deposits deep within the Earth 39 s or at depth Recorded gold production from the reefs of this field totalled 26 412 oz NSW Dept Primary Industry Majors Creek mine workings Photo – Doug Finlayson Gold mines to reef mining Heavy equipment was


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Mining Technology Overview Theme Electronic Encyclopedia of

In fact it was a long series of tremors and aftershocks – more than 200 of them – with more advanced mining techniques and equipment becoming necessary as the easy pickings Some goldfields became focal points for new mining technology such as Ballarat deep lead mining and Bendigo quartz reef mining


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How To Mine Gold Mining Gold

When you want to know how to mine gold you need to understand a few gold mining basics first Learn how to The modern processes for mining gold use larger equipment and more refined techniques but essentially it still the same principles as has always been used Gold is often found in quartz reefs in the ground


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Monday Geology Picture s Gold Reef City Underground

11 Mar 2013 Mine goes to 3 200 meters depth The elevator down the mineshaft We were quite excited to be headed down the mineshaft Mining equipment


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Sovereign Hill Education Mining Technology Research Notes for

Mining Technology Research Notes for Secondary Schools Gold was first discovered in Ballarat in August 1851 There were three main methods of mining used on the Ballarat field Surface Alluvial Mining Deep Lead Mining and Reef Quartz Mining Most gold on Ballarat was won from deep lead mining 1 Surface nbsp


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alluvial gold mining machines from south africa

Small Scale Gold mining equipment world wide reef aluvial With wide mining experience including deep gold mining in the South African Witwatersrand


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Finding surface gold MacMillan

partnerships to mine for gold in leads or quartz reefs Leads were often deep underground and expensive equipment was needed to remove the gold


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