![]() You don’t want the material zipping through but rather kind of tumbling through slowly. It’s usually between 5 – 7 degrees of slope and should allow most round rocks and pebbles to pass through easily. When setting up a sluice the proper angle must be observed. What angle should a sluice box be set at? Advances in technology allow a small dredge to be carried by a single person to a remote location and profitably process gravel banks on streams that previously were inaccessible to the giant dredges of the 1930s. In the late 1960s and through today, dredging has returned as a popular form of gold mining. These tiny flow restrictions form low pressure pockets where the gold collects. As water carries gold-laden sediment through the box, small obstructions called riffles block the free flow of material. ![]() Sluice boxes are designed to mimic this naturally occurring gravity separation. ![]() What is a sluice box and how does it work? 8 How do you remove gold from a sluice box?.7 When to use your gold pan or sluice box?.4 What degree should a sluice box be set at?.1 What is a sluice box and how does it work?.
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