... lead, zinc, tantalum, niobium, iron, manganese, ferrotitanium and coal. Our company has long history of table concentrator ... panner can take a pan with 15 pounds of ore in it and pan it in 10 minutes ... 30 times more efficient than a gold pan. In gold and mineral applications, a full sized gravity ... surface. The combination of the particles tumbling and sliding, the flowing stream with differing velocities, ...