They should be able to mine the Caren economically as the ore is supposedly mostly free-milling and low sulphide. Means that they should only have to crush and mill the ore with gravity methods to concentrate the slurry for shipment to smelter. The cost in mining comes from treating highly refractive ores. A big plus is that the vein is accesable from near the mine entrance and will, I believe, consist of a horizontal adit at the beginning.
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