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ridgeway deeps mine block caving pdf

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Open Pits Going Underground

to 200 m then by sub-level and by block caving at depths to around 1000 m Two main rock types are present: a relatively , Durban Deep Gold Mine in South Africa and Shabanie Mine in Zimbabwe, and , mine in Australia So, while Ridgeway has been able to draw on many of the successes of these opera-...

Ridgeway Deeps Newcrest Sag Mill

2015-12-4in sa, ridgeway deeps in nsw and the homestead underground operation at paddington and the athena underground mine at st ives in wa iron ore ron sait contact adenmckaygagovau iron fe is a metallic element which constitutes about 5 of the eart....

What makes Newcrest different

Ridgeway Sublevel Cave 2009 - 2016 Ridgeway Deeps Block Cave 2012 + Cadia East Block Cave Ridgeway sublevel cave ~A$11/t 2 ore mined Ridgeway Deeps Block Cave ~A$7/t ore mined Cadia East Block Cave ~A$6/t ore mined 1 Historical ore reserve and mineral resource figures sourced from Newcrest annual reports from 2000 to 2016...

Keeping up with caving

BLOCK ANd pANeL CAVING Block caving is an underground mining method that uses gravity to exploit massive, steeply dipping orebodies located at depth, particularly those with disseminated mineralisation or that are low-grade in nature, but too deep to be extracted using open pit methods Block caving also depends on insitu stresses and...

Sub Level Caving

Mar 22, 2007· A method of underground mining operation...

Ridgeway Deeps Mine Block Caving Pdf

The productivity at block and panel caving operations where the lack of selectivity and potential for dilution at newcrests ridgeway deeps mine trials of a magnetic resonance mr sensor for rapid 20 second bulk sensing of chalcopyrite the main copperbeari,Ridgeway deeps mine block caving pdf...

Block caving with Rio and NCM

Block caving with Rio and NCM , operation is materially better designed and pre-conditioned than Ridgeway block cave The shortcomings of Ridgeway are well understood and have , scale block caves will be limited to big balance sheet mining houses and those with a deep...

sublevel caving pdf

Block Caving Block caving is an extreme case of sublevel caving in which instead of a back of ore 5 to 10 ft thick, one 50 ft thick is undermined and allowed to cave The method is illustrated in Fig 7 >>Chat Online (PDF) Longwall; Sublevel Caving and Block Caving ....

Rio Tinto Archives

Newcrest Mining will install a large-scale Cave Tracker System at its Cadia East mine in New South Wal Developed and manufactured by Brisbane-based Elexon Mining, the Cave Tracker System was conceived in collaboration with Newcrest, CRC Mining and Rio Tinto Newcrest hosted the earliest trials of the prototype system at its Ridgeway Deeps mine...