PepinNini Minerals (ASX:PNN) and Sinosteel's (SHE:000928) metallurgical test work at its Billeroo iron ore prospect in South Australia has supported the potential for high quality coarse magnetite.
High magnetic separation using Davis Tube Recovery (DTR) indicated that a coarse grind size of 150 micrometres recovers 94.7% of the iron at a grade of 67%, and low magnetic separation (LIMS) demonstrated that a grind size of 125 micrometres yields 92.1% at a grade of 68.3%
Both DTR and LIMS processing yielded concentrates with low levels of silica, alumina, phosphorous and sulphur.
Tests were conducted by ALS Metallurgy.
The Billeroo prospect is part of the Curnamona project, a joint venture between Sinosteel Corporation (60%) and PepinNini Minerals (40%), and is located proximal to existing rail infrastructure.
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