sub surface sluice bo

MINING

About Subsurface Gold Dredges - 6/24/99 - Steve's Mining Journal ...

11 May 2018 ... It uses a 5.5HP Honda pump, running into a 5" suction nozzle that pushes the material back through 15' of 5" hose to the underwater sluice box. I ...

Placer mining - Wikipedia

Placer mining /ˈplæsər/ is the mining of stream bed deposits for minerals. This may be done by ... This may be done by open-pit also called open-cast mining or by various surface excavating equipment or tunneling equipment. ... It is more portable and requires less infrastructure than a sluice box, being fed ... Sub-surface ...

Sluice - Wikipedia

A sluice is a water channel controlled at its head by a gate. A mill race, leet, flume, penstock or ... Radial sluice gate: A structure, where a small part of a cylindrical surface serves as the gate, supported by radial constructions going through the ...

The Subsurface Suction Dredge - November 2013 Vol. 83, No. 3 ...

The four main components of the suction dredge are a sluice box, used to capture the gold; a portable centrifugal pump, the power source; a water eductor, which ...

Flared sluice? - Gold Prospectors Association of America - Forum

Utilizing a sluice box is among the easiest methods to prospect for gold. ... You are dealing with a sub-surface environment at this point and ...

Minerals permits and leasing overview Alberta.ca

Metallic and industrial minerals subsurface reservoir lease ... interested in recreational placer mining, typically using a sluice box along Alberta waterways.

Mining Techniques of the Sierra Nevada and Gold Country

A rocker was simply a rectangular wooden box, set at a downward angle and mounted ... picks and allow water and gravity to transport the material down to a sluice box. ... Huge buckets would dig up material as much as 100 feet below the water ... out” and the gold-bearing ore was transported to the surface for processing.

US20170209868A1 - Fluidized Bed Sluice - Google Patents

Below the classifi ion screen is a lower cavity lo ed between two ... In the preferred embodiment, the box cover is movable on the sluice allowing the user to ... The front opening 16 of the upper channel 12 is placed just under the surface of ...

US2183157A - Sluice box riffle - Google Patents

SLUICE BOX RIFFLE Filed June 29, 1937 2 Sheets-Sheet l INVENTOR 6. ... of my invention is to provide a rifile of which the wearing surface is formed of rubber. ,f ... 3 and 4 and said upper sides are positioned below the plane common to the ...

Building a better sluice box – Yukon News

4 Sep 2013 ... Sluice boxes help separate gold from dirt using barriers called riffles. ... A miner would then skim off the surface of the cell, which would yield ... “When someone is out there working in sub-zero weather freezing their buns off ...

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sub surface sluice bo