Gringo Viejo
Tenderfoot
- Joined
- Oct 31, 2015
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- Primary Interest:
- All Treasure Hunting
- #1
Thread Owner
Comments or advice?
Alluvial Sluice
- Thread starter Gringo Viejo
- Start date
PurpleGold
Full Member
- Joined
- Apr 17, 2015
- Messages
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- Location
- Superior, Colorado
- Detector(s) used
- 30" Sniper Bazooka Gold Trap, X-Stream Hybrid Pro hand dredge, Royal Manufacturing 54" Powered Stream Sluice, Pans of all different sizes and shapes
- Primary Interest:
- Prospecting
It looks like a fun tool to have for fines clean up. It looks like it would function like a miller table just a bit beefier. I'd take one if I was given one but I've been spending so much on new prospecting toys lately that I need to stop it.
Goldwasher
Gold Member
- Joined
- May 26, 2009
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- Location
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- SDC2300, Gold Bug 2 Burlap, fish oil, .35 gallons of water per minute.
- Primary Interest:
- All Treasure Hunting
finishing table....not much of a sluice
Rockwerx
Jr. Member
Yes it is a clean up sluice. Still need a Miller table IMO.
Tonto
Full Member
The problem I see with it is the water slows down as it moves, which allows the riffles to fill with black sands and clay, and allows the fines to wash out. If you increase the water flow enough to alleviate the loading of the riffles, the higher water pressure washes the fines out as well. I think it's a nice concept, but I'm not sure it will work all that efficiently. Waterflow is key to the efficiency of a sluice.
Rockwerx
Jr. Member
Yesterday I ran some cons through our unit for about an hour. Mine has slightly different matting than the one in the pic but is from the same company. Ours has aluminum grooves at the top and the rest is v-groove mat.
The kit came with a template to set the sluice into a bucket for a recirculating setup. I have few sets of holes drilled which gives me a 1,2 or 3 degree drop to choose from. I ran our cons at a 2 degree drop. It took me just over an hour to remove the lighter materials out of my cons (about two quarts).
I carefully sprinkled about a tablespoon of classified material slowly back and forth while watching the material as it started to load the riffles. For yesterday's run, I stoppped loading the sluice well before any black sands got to the end of the sluice. I used a Gold Guzzler to pick up any obvious gold. Then I carefully picked up the sluice and let the water wash everything from the riffles into another clean bucket to retrieve any possible gold later.
I usually try to use Doc's pan tapping method to help coax any fines from these cons. The gold is extremely fine which makes it very difficult to separate from the black sands. The black sands that are in this run are not magnetic as I use super magnets to remove as much black sand as possible early in the process.
Today I plan on checking the tailings from the recirculation bucket for any gold. There is mostly blonde sands with some fine silt by the looks of it (only a couple of cups). Most of the gold we get around here is sub 100 mesh so I try and do everything I can to secure it.
I have been reading on this forum for many months and am still learning a lot but will try and answer any questions to the best of my knowledge.
The kit came with a template to set the sluice into a bucket for a recirculating setup. I have few sets of holes drilled which gives me a 1,2 or 3 degree drop to choose from. I ran our cons at a 2 degree drop. It took me just over an hour to remove the lighter materials out of my cons (about two quarts).
I carefully sprinkled about a tablespoon of classified material slowly back and forth while watching the material as it started to load the riffles. For yesterday's run, I stoppped loading the sluice well before any black sands got to the end of the sluice. I used a Gold Guzzler to pick up any obvious gold. Then I carefully picked up the sluice and let the water wash everything from the riffles into another clean bucket to retrieve any possible gold later.
I usually try to use Doc's pan tapping method to help coax any fines from these cons. The gold is extremely fine which makes it very difficult to separate from the black sands. The black sands that are in this run are not magnetic as I use super magnets to remove as much black sand as possible early in the process.
Today I plan on checking the tailings from the recirculation bucket for any gold. There is mostly blonde sands with some fine silt by the looks of it (only a couple of cups). Most of the gold we get around here is sub 100 mesh so I try and do everything I can to secure it.
I have been reading on this forum for many months and am still learning a lot but will try and answer any questions to the best of my knowledge.
motohed
Hero Member
I think at best this is a fine gold clean up sluice , in my opinion , I would go for a miller table , over this as you will get much finer gold on the tabler verses this unit . JMHO
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