1384 XXXI International Mineral Processing Congress 2024 Proceedings/Washington, DC/Sep 29–Oct 3
Plate 3. Photomicrographs from a double refractory ore showing: a–d) fine grained disseminated/composite TCM (TCM/
yellow arrow) with pyrite (pink arrow), goethite (red arrow) locked within silicates (Si)
Plate 4. Photomicrographs from a triple refractory ore showing: a–b) realgar grains (R), c) pyrite aggregates (Py) and d) fine
grained composite TCM -pyrite (Py)
Plate 3. Photomicrographs from a double refractory ore showing: a–d) fine grained disseminated/composite TCM (TCM/
yellow arrow) with pyrite (pink arrow), goethite (red arrow) locked within silicates (Si)
Plate 4. Photomicrographs from a triple refractory ore showing: a–b) realgar grains (R), c) pyrite aggregates (Py) and d) fine
grained composite TCM -pyrite (Py)