Discover and read the best of Twitter Threads about #OpenPit
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1/23 #Economics of #OpenPit #Mining & its impact on a Mining Co's success. This brilliant pic of Letseng diamond mine in Lesotho shows the results of sensible & good strategic & tactical mine #planning. Take a careful look and then compare this pic to the next one of 
2/23 Guyana Goldfields, which is an example of what NOT to do. At first glance, the two pits don't look too dissimilar, right? But what from these pictures is it that lead to the disaster & ultimate collapse sale of $GUY, while GEM Diamonds is still doing great? Can you tell?
3/23 The answers is in the phasing of the pit & ramp access. GUY's next pushback (yellow) is constantly cutting off access (red) to the cut below from blasting -The only cut which supplies the gold. They have to mine the yellow cut/pushback to expose ore later on but it looks
