Discover and read the best of Twitter Threads about #pit

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1/16 So where was I going with #mining block models in my previous thread? I can now show you how we use them to optimise for open pit mining and approximate a good UG mine plan as well. To begin, the decision to go open pit or UG very much depends on the shape & size of the ore
2/16 body, and the decision is usually intuitive. Sometimes a combination of OP & UG methods makes more sense. Consider the following theoretical block model representing a rich, vertical ore body. Assume this is a 2D environment, not a 3D one, with coloured units of value.
3/16 Now with our avatar safely removed w/o any major social justice fallout, we can get on with the open pit mining. 😉 Let's assume that the cost of mining is 1 unit, processing cost 0, what would the value be mining the 1st level by Open Pit methods?
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