sluice riffles types

  • Sluice - Wikipedia

    Types of sluice gates Flap sluice gate A fully automatic type, controlled by the pressure head across it; operation is similar to that of a check valve. It is a gate hinged at the top. When pressure is from one side, the gate is kept closed; a pressure from the other side opens the sluice

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  • Sluice Box Matting Options for Fine Gold Recovery

    Sluice boxes use riffles to capture and hold find gold that is shoveled into the sluice box. Riffles do a great job of slowing the gold down, but some type of matting underneath the riffles is required to hold the gold and help prevent it from blowing out the bottom.

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  • Gold Sluice Box Design - Mineral Processing Metallurgy

    The gold sluice box is an efficient alternative to panning for gold, allowing the prospector to quickly sift through a much greater volume of sediment. Although many affordable varieties are available to purchase, they are even more affordable to build. With a little knowledge, skill and creativity, a prospector can build a custom sluice box from almost any type of solid material available.

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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) water-flow 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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  • different types of riffles and what they look like

    23/12/2012  different types of riffles and what they look like; User Info Username: Password: Welcome, Guest. Please login or register. Did you ... Drop riffles generally require less water then the traditional Hungarian or angle style riffles. If the sluice tray is removable then Drop riffles

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  • tipes riffles in sluices - thesquarespoon.co.za

    In setting up a sluice, if feasible, it is desirable to have enough water flow to move the material through the box as fast as you can shovel (or ) it in at full production speed. Most of the riffles being used today are designed so that a concentrating-action takes place behind the riffles.

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  • » Setting the Proper Water Velocity Through a Sluice Box

    A sluice box operated for extended periods with no new material being fed to it has an increased chance of losing some of its fine gold values. How much gold loss will depend on a multitude of factors, such as the type of riffle design, how much water flow, the type and weight of concentrates and the size and purity (specific gravity) of the gold.

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  • SLUICE BOXES 101 RECOVER MORE GOLD WITH MY GOLD

    Early sluice boxes were nothing more than wood or fine clay troughs. Many different types of riffles were tried, stone, logs, grass, sticks, etc. The pioneer prospectors found that a rough wooden sluice with raised wooden slats worked best and was easy to build. The principal behind the sluice box is the same no matter what design is used.

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  • Riffles and Sluice Boxes - How do they work?

    Most will have riffles, spaced evenly along the length of the sluice, usually every few inches, perpendicular to the length of the sluice. Riffles cause small barriers to the water flow which creates eddies in the water, giving the heavier material (black sand and gold) a chance to drop to the bottom, behind the riffles.

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  • Riffles and Sluice Boxes - How do they work?

    Most will have riffles, spaced evenly along the length of the sluice, usually every few inches, perpendicular to the length of the sluice. Riffles cause small barriers to the water flow which creates eddies in the water, giving the heavier material (black sand and gold) a chance to drop to the bottom, behind the riffles.

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  • Hydraulic riffles or New Zealander Sluice - CARIBOO GOLD ...

    14/4/2011  Hydraulic riffles, like any recovery system has its strengths and weaknesses, pros and cons. Hydraulic riffles are among the more complex riffle types out there. There are a number of design factors to consider such as riffle size, geometry, spacing, water pressure, aperture size and spacing, etc.

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  • Types Of Sluice Boxes Jungle Gold vs Gold Rush - GOLD ...

    21/11/2012  I notice in the gold shows they are using diffrent types of sluices. The Jungle Gold sluices does not have any riffles just what looks like artificial turf. The Gold Rush sluice have miners moss and riffles more like we use. Why the two diffrent types and what benifits would either box have?

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  • Talon Sluice Mat - Gold Sluice Mat Testing - YouTube

    24/8/2014  Running and testing flow rates on the Talon sluice mat. Skip navigation ... Talon Sluice Mat - Gold Sluice Mat Testing ... How to Run a Stream Sluice - Stream Sluice Riffles and Matting ...

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  • How to SIZE a Sluice Box - Mineral Processing Metallurgy

    THE END OF How to SIZE a Sluice Box. ... In sum, types of riffles used are a matter of personal preference, or at times, limited by the materials at hand. Long Tom. A Long Tom is actually a variety of a sluice. It differs in that it has a means of screening out gravel and cobble, thereby allowing less water and a flatter slope. Long Toms are of ...

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  • Sluice Building For Fine Gold Recovery – Part 3 – BC Gold ...

    However, this type of riffle can be very closely spaced to improve performance and the 3.5-inch spacing found on most production riffle sets can be reduced to 2-inches or even less. The performance improvement on closer spaced bars is significant but still not enough to actually warrant anybody using these riffles in a modern sluice unless you ...

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  • Tipes Riffles In Sluices - asscultmia.it

    Areas with heavy black sands may pack the riffles, which will obviously prevent gold from getting captured. Slightly increasing flow through your sluice may help, but don’t get to carried away at the expense of losing more gold due to turbulence in the sluice box. Types of Sluice Matting Matting material has come a long way in recent years.

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  • How to Run a Stream Sluice – Best Riffle and Matting ...

    [ June 13, 2018 ] Fine Gold Sluices and Fine Gold Panning EDU / Learning [ April 15, 2018 ] FlowPan Field Results from Customers Gold Panning [ February 14, 2018 ] GoldHog 2018 Product Line Up Gold Prospecting [ January 21, 2018 ] How to Run a Stream Sluice – Best Riffle

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  • Gold Seekers Join Me: What is a riffle and how do they work?

    17/8/2010  Most will have riffles, spaced evenly along the length of the sluice, usually every few inches, perpendicular to the length of the sluice. Riffles cause small barriers to the water flow which creates eddies in the water, giving the heavier material (black sand and gold) a chance to drop to the bottom, behind the riffles.

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  • Sluice Mat - Fine Gold Sluice Matting - Motherlode Mat ...

    4/4/2017  Running more tests with the GoldHog Motherlode mat. Running more tests with the GoldHog Motherlode mat. Skip navigation ... Sluice Mat - Fine Gold Sluice Matting - Motherlode Mat Gold Hog. ...

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  • Hydraulic riffles or New Zealander Sluice - CARIBOO GOLD ...

    14/4/2011  Hydraulic riffles, like any recovery system has its strengths and weaknesses, pros and cons. Hydraulic riffles are among the more complex riffle types out there. There are a number of design factors to consider such as riffle size, geometry, spacing, water pressure, aperture size and spacing, etc.

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  • Sluice riffle - Mcdonald, Robert I.

    Another object of the invention is to provide a sluice riffle of the type which will treat a concentrated product having a higher specific gravity than the bulk of the original material, to separate the material of high specific gravity, in a continuous operation.

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  • Best Sluice Box Gold-Panning Kit Reviews (2019): The ...

    7/1/2019  Find out which sluice boxes and gold-panning kits are currently the best on the market. Get our expert advice for choosing a high-quality sluice box that can actually find gold effectively. See all our top picks, and get practical advice for finding a setup that makes sense for your budget and lifestyle.

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  • How to Run a Stream Sluice – Best Riffle and Matting ...

    [ June 13, 2018 ] Fine Gold Sluices and Fine Gold Panning EDU / Learning [ April 15, 2018 ] FlowPan Field Results from Customers Gold Panning [ February 14, 2018 ] GoldHog 2018 Product Line Up Gold Prospecting [ January 21, 2018 ] How to Run a Stream Sluice – Best Riffle

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  • Undercurrent Type Of Sluices Design

    Sluice Riffles Types - hang-on. Sluice Riffles Types. Sluice Design . Do not operate a Goldwell sluice to the specs of other types of sluices as it may not perform as well as it could. Get Price And Support Online; New Type Desand Hydrocyclone - dryneedling. New Type Hydrocyclone Sand Separator For Sand Making Line.

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  • SE GP1014G14 14" Green Plastic Gold Pan With Two Types of ...

    8” Green Plastic Gold Pan with Two Different Types of Riffles. • Dual Riffles (1) 3 x 1/4” Deep Riffles. (2) Micro Riffles. • The shallow and deep riffles trap the gold better, making your pan as effective as a sluice

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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 s where water is rough as well.

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  • D.I.Y. prospecting mining equipment parts supplies ...

    Heckler Fabrication, D.I.Y. Parts supplies for your sluice box needs. Everything needed for modification of your Highbanker, or any other equipment using a sluice box. See our Custom Build page on our site if you want us to custom build one for you.

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  • SE GP1014BB14 14 Black Plastic Gold Pan With Two Types of ...

    Find many great new used options and get the best deals for SE GP1014BB14 14 Black Plastic Gold Pan With Two Types of Riffles at the best online prices at eBay! Free shipping for many products!

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  • Best matting riffle combination for fine gold - Sluicing ...

    13/4/2013  Over the years I have run a lot of different matting or carpet. Each type holds the heavy sediments in its own way, and cleans up in its own way. I currently use five different types in my box (24"x12'). A heavy indoor/outdoor is the first as it is easy to read, you can look at it and see gold.

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