Suction Dredging for Gold - New 49ers Prospecting Club

Most gold mining today is done in small operations — one or two persons working at a time — often with the use of suction dredges. A suction dredge is a powerful underwater-type of vacuum cleaner.

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Ellicott Dredges, the leading portable dredge equipment manufacturer with over 130 years of experience recently finished building a Series 370 HP “Dragon®” dredge for a customer in West Africa. The customer is using the small 250mm cutterhead dredge for sand mining purposes.

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Dredging - Wikipedia

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The material is pumped to the surface through a suction hose into an efficient sluice box that is capable of recovering extremely fine particles of fine gold. The sluice box can either rest on the bank, or float on the surface of the water. ... which are most likely to contain small gold particles. This design is still used in most small ...

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Dredging for Gold - Introduction

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Suction Dredging - New 49ers Prospecting Club

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Fine Gold Recovery with Suction Dredges [Archive] - …

AMDS Adventure Forum > AMDS Adventure Forum > AMDS Prospecting Forum > Fine Gold Recovery with Suction Dredges Log in View Full Version : Fine Gold Recovery with Suction Dredges

Dredge & Pit Trader

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Small Mining - Dredging

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Gold dredge | Wiki | Everipedia

Gold dredge's wiki: A gold dredge is a placer mining machine that extracts gold from sand, gravel, and dirt using water and mechanical methods.The original gold dredges were large, multi-story machines built in the first half of the 1900s.Small suction machines are currently

Home [goldsnare]

- Sluice Gate Sluice (SGS) technology - A design which allows a submersible dredge to capture fine gold that rivals a surface dredge - Multi-jet venturi - A efficient jet design that allows for a much smaller pump to be used than conventional power jets and suction nozzles require while creating outstanding suction

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