We talked to North Americas leading In Situ Leach (ISL) uranium mining engineers, and had them explain exactly how ISL worked. Most of the significant ISL operations in the United States were designed and/or constructed by these engineers. They explained how ISL mining is really just reversing the process of Mother Nature.
Blossom is what underground uranium miners called the crystals forming on the tunnel walls. Because the ore was in contact with air inside an undergr…