John-Edmonton
Silver Member
- Mar 21, 2005
- 4,404
- 3,972
- Detector(s) used
- Garrett- Master Hunter CX,Infinium, 1350, 2500, ACE 150-water converted 250, GTA 500,1500 Scorpion, AT Pro
I only have flour gold where I prospect, like many of you. My theory goes like this
" the greater the opportunity there is to get (flour) gold caught in some sort of an eddy (riffle) the more gold you should be able to get in a given amount of time."
So, to compensate, we go wider on a sluice, go longer or add an extension. The thought being.....if a piece of gold missed a riffle, it can be caught at another riffle further on down the sluice bed. However, you can reverse this direction principal, by increasing the amount of eddies (riffles) in your sluice bed by by going smaller, and if you miss one piece of gold you can always hopefully catch it in another riffle.
So, here are the facts:
On my 4 foot x 10" highbanker, I can switch to different proven gold catching mattings, and also regulate my screening 1/2" to 1/4" to 3/8"
So, the math works out like this:
10" x 3' 6" dream mat offers 36 cells to catch and hold the fine gold
10" x 3' 6" one inch raised expanded mesh offers 136 cells to collect and hold flour gold over carpet or miner's moss
10" x 3' 6" half inch raised expanded mesh offers 400 cells to collect and hold flour gold over carpet or minor's moss
10" x 3' 6" Special matting ie Hog or other available, also many (100's) riffles to collect and hold the flour gold
So, if you can control the variables such as screening your material, rate of water flow and level of highbanker, based on my theory........ is to go with the half inch mesh, slow the water and screen the gravels to a smaller size or some sort of available commercial type of matting.
Thoughts?
" the greater the opportunity there is to get (flour) gold caught in some sort of an eddy (riffle) the more gold you should be able to get in a given amount of time."
So, to compensate, we go wider on a sluice, go longer or add an extension. The thought being.....if a piece of gold missed a riffle, it can be caught at another riffle further on down the sluice bed. However, you can reverse this direction principal, by increasing the amount of eddies (riffles) in your sluice bed by by going smaller, and if you miss one piece of gold you can always hopefully catch it in another riffle.
So, here are the facts:
On my 4 foot x 10" highbanker, I can switch to different proven gold catching mattings, and also regulate my screening 1/2" to 1/4" to 3/8"
So, the math works out like this:
10" x 3' 6" dream mat offers 36 cells to catch and hold the fine gold
10" x 3' 6" one inch raised expanded mesh offers 136 cells to collect and hold flour gold over carpet or miner's moss
10" x 3' 6" half inch raised expanded mesh offers 400 cells to collect and hold flour gold over carpet or minor's moss
10" x 3' 6" Special matting ie Hog or other available, also many (100's) riffles to collect and hold the flour gold
So, if you can control the variables such as screening your material, rate of water flow and level of highbanker, based on my theory........ is to go with the half inch mesh, slow the water and screen the gravels to a smaller size or some sort of available commercial type of matting.
Thoughts?
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