In general, the process by which rocks are continually recycled and transformed by geological processes is known as the rock cycle. Some rocks are mono-mineralic, meaning they only contain one mineral ...

cycles using 1 kg of feed material stage-ground to 80% passing 25 μm (Figure 1, Figure 2, and Figure 3). The LCT results (i.e., the high-grades of rare earth mineral concentrate) will be ...