10/13/2023 0 Comments Homemade gold dredge![]() The size of a gold dredge (1.5 inch, 2 inch, etc.) is determined by the diameter of the suction hose- the larger diameter the hose, the more material can be processed.Ī floating gold dredge is essentially a floating sluicebox that uses an engine and pump to create a vacuum and send gravel (hopefully gold-bearing gravel!) into the sluice box suspended between the two pontoons. Plus, advances in technology allow a small surface gold dredge to be carried by a single person to a remote stream or river and profitably process gold-bearing material.Ī suction dredge used along the shoreline works like a large vacuum cleaner by sucking up underwater gold-bearing material like rocks, gravel, sand, and dirt and forcing it through a highbanker or power sluice that is capable of recovering very fine particles of gold. ![]() Sandy or gravel river banks contain large deposits of alluvial gold (loose pieces of gold or gold-bearing sand), and dredging is a great way to recover this gold. Over the last 10 years or so, dredging has resurfaced as a popular form of gold mining (except in California where dredging is currently banned).
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