How to Use a Sluice Box

In the early gold Old gold rush sluice boxrush days the sluice box consisted of a simple wooden trough lined with raised obstructions placed at a ninety-degree angle to the flow of the water. These obstructions are what are known as riffels. When all of the gold carrying gravel is “run” through the sluice the water is shut off and the riffels are removed. The heavy materials containing the gold known as concentrates would be gathered. This run would sometimes consist of processing several tons of gold-bearing gravel through the box. Continue reading