This means that the suction dredge, when properly used, causes very little to no environmental impact as the materials are replaced in the same location. In essence, the hole that was created by the suction dredge is quickly filled once the materials have passed through the recovery process. All the heavier materials which may include gold are trapped in the system while the remainder is washed back into the bed of the stream in the place where it was first removed. Once the hose has suctioned up the materials, they are passed through a recovery system that usually floats on the surface with a sluice box. For deeper waters, a scuba suit is generally needed so that the diver can get close enough to the bottom of the stream in order to suction out the materials that are on the bottom. A suction dredge will bring up rocks, dirt, debris, gravel, silt, and other materials including hopefully flakes or nuggets of gold.įor shallow water, the operator holds the suction hose to the bed of the stream or creek.
Today, suctions dredges are being used in all parts of the country to find gold and other precious minerals from streambeds, creeks, rivers and lakes.Ī suction dredge is a device that is basically a giant vacuum cleaner that sucks up a wide variety of materials underwater, mostly out of streambeds. Suction dredges are relatively simple in construction, easy to operate and allow miners to cover a considerable amount of space in a short period of time.
One popular device is a suction dredge that can bring up a considerable amount of material in a short period of time. This means that the equipment needs to be easy to use and maintain while performing a job on location to bring up the materials that might hold gold flakes or nuggets. With most gold mining operations being small, one to two person jobs, finding the right equipment to match the particular needs of the location is vital to increasing the chances of getting what is needed.
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