Transcription of MINE DEVELOPMENT – ACCESS TO DEPOSIT
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MINE DEVELOPMENT – ACCESS TO DEPOSIT
The Southern African Institute of Mining and Metallurgy Platinum 2012 101 Rupprecht MINE DEVELOPMENT ACCESS TO DEPOSIT Rupprecht University of Johannesburg Abstract A DEPOSIT to be mined by underground methods can be accessed by a number of methods: Adit Decline or ramp Inclined shaft Vertical shaft. Adits are an economical approach when the orebody is above the general floor elevation suitable in hilly or mountainous terrain. Incline shafts are limited to relatively shallow deposits , and because they are developed on an incline, DEVELOPMENT lengths for a given depth are the three to five times longer than for a vertical shaft.
A A h d d Ex th d In M o g m a T dit dit ori rai ev am e ep cli in n t ain in nd he s s o zo na elo mp ea os ne ing he ac im co be • • • • ffe nta ge pe ples ste it d sh e …
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