Jan 05, 2021 Gold Mining Plants For Alluvial And Hard Rock Mining. SUPERMINER Portable plants are produced in 5 Models, for both Alluvial and Hard Rock gold mining operations For application of Alluvial (placer) deposits of gold, other metals and minerals it is offered in 3 models, capacity range of 80-170 Tons Hour solids (320-680 m3 Hour slurry).Aug 19, 2019 Alluvial Gold Hard Rock Gold. Material alluvial gold hard rock gold mixture. Capacity 20TPH alluvial gold 12TPH rock gold. Country Madagascar. Feeding size 50mm alluvial gold 200mm rock gold. Customers requirements Separate the gold, increase the gold.