Uranium mining (open cut and underground) and milling ...
2016-1-1 · Uranium ore concentrate (UOC) is a general term to describe the final product of uranium mining and milling, although the term “yellowcake” is still loosely used. In fact, UOC may be yellow (eg, ammonium diuranate, uranyl peroxide), dark green-black, grey (U 3 O 8 ), ( Fig. 6.8 ), and sometimes orange.