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How to SIZE a Sluice Box Mineral Processing Metallurgy

This week I went and asked “how to SIZE a sluice box” to the crew on a large gold prospector forum and other sluice or gravity gold recovery ‘experts’ and gathered the list of emails and forum posts here below. As you will see, in summary, most can optimize or troubleshoot a sluice box but few or none can size a gold sluice box.

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Simple Steps to Build a Sluice Box for Gold ...

Aug 14, 2016· When placed in a stream of running water the gold bearing dirt from the stream is fed into the sluice box where gold particles are caught by the riffles while the lighter dirt is washed away. Surprisingly, the general design of sluice boxes for gold mining has not changed much over the past several centuries.

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US Prospector Sluice Box Drop Riffle ABS Gold Sluice Box

Drop Riffle gold sluice box Rock Bar for easy set up in the stream 12 inches wide by 34 inches long Fast Cleanup so you can run more material Thick Plastic for years of use Customers also shopped for. Page 1 of 1 Start over Page 1 of 1 . This shopping feature will continue to load items. ...

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Recover More Gold With The Best Sluice Box Rock Seeker

Recover More Gold With The Best Sluice Box If you've been panning gold for any period of time, you may find that it's time to move on to using a sluice box . A sluice box is a very common tool used by new and seasoned prospectors to find gold.

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Sluice Box (Page 1) / Prospecting Equipment / Prospecting ...

Jan 21, 2013· One good guide is when you see the "V' formation at the the entry of the sluice you want the point of the "V" near the 1st riffle. Best thing is to go out with someone who knows get out do it. Sometimes to get more water or flow/drop you may need to …

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Gold Well Vortex Drop Riffle Sluice Box Gold Rush ...

Since the majority of the available gold in the world is micro fine and ultrafine gold in the 30 micron (.0011 inch) range, you want a sluice that can collect that gold and keep it from running out the end. The Gold Well Vortex Drop Riffle Sluice works by creating a gentle, vertically oriented vortex. This vortex keeps material in the spiral ...

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Angus MacKirk Gold Trap Sluice Boxes : Cabela's

Constrictions near the ramp slow water flow, then widen out to cause a quick, drastic drop in water pressure. This allows heavier precious metals to fall into the riffles and get captured where it can be recovered easily. Twostep ramp riffles capture more fine gold. Struts across the sluice serve as a bridge for rock weights. Handy carrying ...

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Sluice Box: Equipment | eBay

Sluice boxes allow the prospector to dredge the bottom of a river or stream, gathering bits of rock and sand and hopefully some gold in the box. Water sluices across the accumulated sediment, separating the pieces out based on their weight and size as they tumble over a series of screens and breaks.

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Devin Gold Exploration Site Home

Devin Gold Exploration +17808063672; kim; 113 14 Ave. Wainwright, Alberta, Canada T9W 1A8 ... Devin Gold Vortex Drop Riffle Sluice Systems " Simply Amazing, Amazingly Simple, Simply The Best "Manufacturer of the World Renown Patented "Devin Gold Vortex Drop Riffle Sluice Systems" as seen on the History's Channel ...

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Drop Riffle ABS Sluice Box 10" x 38" (SOLD OUT)

This stream sluice box is made from durable ABS plastic to take years of abuse from your prospecting activities. Light weight, easy to use, and even easier to clean out. This drop riffle sluice box utilizes the same drop riffle technology as our famous bucket sluice concentrator and our larger high bankers.

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gold mining sluice box | eBay

Find great deals on eBay for gold mining sluice box. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword ... Drop Riffle Sluice Box , Gold Mining Open Ends Heavy Duty ABS 38" x 11" Brand New. Buy It Now + shipping.

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Wide Drop Riffle Sluice 16" x 38"

Drop riffle sluice boxes are used a bit differently than old style Hungarian riffle sluice boxes! Your goal when running a drop riffle sluice box is to run the box as flat as possible. Without ever having sand just sit on the slick plates between the riffles. The flatter you run the box the better the recovery rate on fine gold. Water flow on ...

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how to build a sluice box Mine For Gold

Nov 03, 2011· In a sluice box these man made crevices, or riffles as they called in a sluice, trap the gold so it can be recovered by the prospector. Building a sluice box: Building a sluice box is something that gold miners have done for many years. In the early days sluice boxes were built bigger and bigger as gold mining methods became more aggressive.

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The Riffle/Trap System Gold Prospectors Association of ...

All most all sluice boxes use a carpet or some form of ribbed matting or miners moss as the first trap in the sluice box. The second trap may be expanded metal or a riffle system that goes over the top of the first trap and some might go expanded metal over the first trap with a riffle system over the expanded metal giving the sluice box 3 traps to stop and hold the gold.

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Sluice Boxes – CA Sluice Box

CA Sluice Box. Start Sluicing for Gold Today. Menu Home; Sluice Boxes; Bucket Classifier; Concentrator; Trommels; Highbanker; Helpful Links; Contact Us; Sluice Boxes. Stansport Aluminum Sluice Box . Compact 30 Sluice Box by Royal . Folding Backpack Sluice Box by Royal . 6″ Mini Power Sluice Set Up Kit – Gold Mining Equipment . Menu. Home;

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The Size of Riffles New 49ers Prospecting Club

In this discussion, I am mainly talking about the size of riffles. Because, the bigger (deeper) the riffle, the greater (and more violent) waterflow required to maintain a suspended medium of water and material behind the riffle. Let’s talk a little about what happens behind the riffle in a sluice box.

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Hydraulic Riffles vs Hungarian Riffle YouTube

Sep 23, 2015· Global Resource Engineering Technology (GREAT Malaysia) offers multistage sluices with nugget trap, expanded mesh and hydraulic riffle. Hydraulic riffles are a system of riffles that have a ...

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Wolf Trap Sluice Box Lg, Folds, Adj Riffle, Prospecting ...

This means: The gold won't drop out as fast because the water is faster. Hence you need a longer sluice box. Not just 1 1/2 times longer but probable closer to 4 or 5 times longer to get the gold to drop out. Now take one of my Wolf Trap Sluice Boxes. Note: The riffle is below the entry water level. This means that the water must slow down to ...

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Gold Panning Tips: Sluice Boxes | The Sluice Box Super Guide

Jul 12, 2009· Sluice Boxes | The Sluice Box Super Guide ... This effect scales down for finer gold as well. Many sluice box companies use a fine expanded metal mesh such as the one featured below. ... It is best placed under the big riffles of your sluice boxes to ensure maximum efficiency for catching both course and fine gold throughout.

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DROP RIFFLE SLUICE TEST YouTube

Feb 07, 2018· I like the drop riffle sluices and have built a number of them over the years. ... DROP RIFFLE SLUICE TEST ... UnderFlow Sluice Box Gold Mining Equipment vs. Drop Riffel There's A new Sluice In ...

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Drop Riffle ABS Sluice Box 10" x 38" (SOLD OUT)

Drop Riffle ABS Sluice Box 10" x 38" (SOLD OUT) Our ABS sluices use a drop riffle design for faster cleaning action and provide higher production levels so you can process more gold bearing ...

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GoldHog Sluice Mats GoldHog Gold Prospecting Equipment

Much like a tradition riffle. The awesome thing about the Riverhog riffle is that it can be trimmed to YOUR needed height, and to either a cut or throw angle. (Explained in the video) You can use it in ANY sluice as long as you match the water depth with the riffle height, but it’s great for the top of dredges where water is rough as well.

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Gold Sluice Boxes for Prospecting Water Powered Gold ...

Riffles are purposeful obstructions which slow the movement of gold in the sluice so it can be trapped in miner's moss, carpeting, or rubber matting in the bottom of the sluice. Nineteenth century gold miners used wooden sluices that were at least 12 feet long, but modern gold prospectors primarily use sluice boxes made of plastic or metal ...

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Sluice Box (Page 2) / Prospecting Equipment / Prospecting ...

Jun 08, 2015· 22 January 2013 01:50 pm. Got a mate who made a drop riffle sluice out of exactly the same pipe....He cut a section like you have....sprayed a release agent on the Ribbed side (under side of yours ) and laid a sheet of fiberglass soaked in resin on top.

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drop riffle technology??? Gold Claims Sale

Dec 17, 2012· CANADIAN GOLD PROSPECTING FORUM Gold Prospecting Forums » Gold Prospecting Forums General » General Gold Prospecting Forum » drop riffle technology??? User Info Username: Password: Welcome, Guest. Please login or register. ... Author Topic: drop riffle technology??? (Read 20737 times)

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: gold sluice boxes

: gold sluice boxes. Skip to main content. Try Prime All ... US Prospector Sluice Box Drop Riffle ABS Gold Sluice Box. More Buying Choices (1 new offer) The Pots Of Gold: Memoirs Of A Modern Prospector. by Rick States out of 5 stars 16. Kindle ...

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How To Build and Operate Sluice Boxes

most boxes specifically built for this type of gold don’t use any type of riffle system. Good examples of this box type are the ‘DFS’ (Damn Fine Sluice) and Steve Gaber’s ‘PopandSon Sluice’. On the other hand boxes designed to concentrate gold particles of 16mesh and up in size must have riffles but don’t really have a need for ...

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Setting the Proper Water Velocity Through a Sluice Box

Sluice boxes process material best when receiving it from a steady feed. Too much material dumped at once into a sluice box has a tendency to overload the riffles and choke off the concentratingaction behind the riffles. This will cause gold to wash right through the sluice box as if there were no riffles …

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What sluice do you use? Gold Prospectors Association of ...

I got an AMP fluid bed sluice at the Stockton gold show, I am still on the fence, its lightweight, compact, gets the gold but its finnicky, needs lots of water and slow to feed. I have a big sluice that used to be a dredge, converted to a highbanker that I am turning back into a dredge. I also have couple rocker boxes I made out of wood.

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