Average miner produces 7 tons of coal a day. That is $700 or about 200,000 a year in production. Ofcourse the miner only takes home 40-50k. (assuming labor regulations)
Open cut is referring to mining from the surface. Basically, remove all the garbage earth that is above the coal. Then remove the coal, and once the coal is gone, you put the garbage material back.
It's all done using a fleet of heavy machinery, and you can't really quantify a "tonnage per person" in the same sense as you can in this video.
Ah, it also involve a lot of explosives, right? I asked because the comment about 7 tons never said how many tons are extracted in total per year, just per worker.
Hey mate, yeah so, it does involve Drilling and blasting. So our site has (and you can look these up) for moving Dirt and Coal: 2 Draglines, 2 Rope Shovels, 8 Excavators (of multiple sizes, Leibherr 9800, 9600, 996 and others) and around 50 Trucks of varying size, mostly Ultraclass and slightly smaller, ( Komatsu 930e, Cat 797, 794ac, 793). Including maintenance it's around 700 workers, including staff and Maintenance. It's pretty incredible stuff, you should check it out.
Underground mining doesn't really use explosives much anymore, if at all. At least for salt, I'm not sure about coal, although I assume they use similar methods.
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u/AdditionalMixture697 8d ago
Like $100 per ton