Sheet in stream to catch gold

[reptwar1]

Anyone ever heard the stories about old timers stretching sheets across streams to catch fine gold dust? I have read it on several sites but now cant find any of them. Reason Im asking....just got off the phone with a guy that did something similar and caught just over an ounce of gold in 2 weeks. The guy then told me that his contact with USGS informed him that every 24 hours, $16,000 in suspended flour gold flows past the town that we live in. That price was in the 60's when gold was $30 an ounce. Allow me to adjust for current gold prices... Ready?...$541,560 EVERY 24 HOURS!! Now you see why I'm interested lol

 

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[Goldwasher]

I have zero problem admitting when I use less than up to date info... I had several sources stating "they" do not have mesh smaller than such and such... I do understand that there are newer smaller meshes available....However when you read multiple sources and relate it to what I was saying I was not "wrong" as much as not up to date. However I will say that I was just trying to relate sizes of mesh vs. micron and comparing it to screens I understood were available...And what I was saying still stands....and by the way one of the screen company you posted doesn't carry anything with an opening smaller than 5 micron..again I never said that there wasn't anything that would "filter" micron size particles...someone said something about mesh and I made a comment. and linked a spec. sheet that said the same..it wasn't even directed at you.You jumped all over it as a way to get at me. Because you think I'm trying to bash your Idea...I just had an opinion.. You are the one who gets all tiffy and condescending to people....Everyone see's it and It doesn't help anything.

 

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[ConceptualizedNetherlandr]

http://www.industrialspec.com/downloads/MeshMicronSizes.pdf

I do not have a problem with comprehension.....
Filters are different than mesh....but, I relent I get what you were saying..

This seems to be about semantics. Please define for us 'filter' and 'mesh' and contrast them as you wish us to understand your definitions as you use them here. Are mesh some sort of type of filter which is dependent on the lower limit of particle size? Is there an upper limit? Is it about materials of construction or weave? Or what? I really can't wrap my mind around your claim until I have your definitions. Thank you.

 

[Goldwasher]

This seems to be about semantics. Please define for us 'filter' and 'mesh' and contrast them as you wish us to understand your definitions as you use them here. Are mesh some sort of type of filter which is dependent on the lower limit of particle size? Is there an upper limit? Is it about materials of construction or weave? Or what? I really can't wrap my mind around your claim until I have your definitions. Thank you.

Just read the links and decide for yourself....Like I said I read it from an industrial paper and passed it on and several links that say the same thing...When you research it you will see the same thing said by these papers not me...I just passed info I saw.

 

[BrassEagle]

Why not get a pontoon boat. Take different kind of materials hang them between the pontoons. Anchor the boat out of the main flow of the river, weight the bottom of the sheets or what ever, covered with different sticky stuff different types of materiel let it sit for a week come back and see if one type is better than the rest. Seems to me that a sheet or bag or what ever just set in the river will not be easy to recover or even find again. If you don't think out of the box you may be stuck in it!

 

[GoldpannerDave]

Stainless Steel Filter Mesh 1 Micron, Stainless Steel Filter Mesh 1 Micron Suppliers and Manufacturers at Alibaba.com

12,000 mesh is one micron.

They responded to your search for 1 micron, but the actual ad only has 400 mesh. Alibaba does that all the time. They say they have a product when you google it, but they don't actually have what you want; just close.

 

[chlsbrns]

They responded to your search for 1 micron, but the actual ad only has 400 mesh. Alibaba does that all the time. They say they have a product when you google it, but they don't actually have what you want; just close.

The actual ad?? The link takes you to a page full of different suppliers. Many who have 1 micron mesh.

One micron mesh isn't new its been around for decades.

 

[DizzyDigger]

In the chart, above, the material used is Sintered Stainless Steel
Mesh. Having worked with it in the past, I can tell you the cost
is off-the-charts, and can run as much as several hundred dollars
per sq. ft.

That materials more common application is it's use for both cell phone
and GPS patch antennas.

 

[Goldwasher]

What do you think they mean by layer? Why are there multiple layers?

 

[chlsbrns]

What do you think they mean by layer? Why are there multiple layers?

Oh please get off it! I cant take anymore of your misinformation! Lets see from memory you have said...

No wire mesh is less than 400 mesh

Wire mesh below 400 mesh isn't wire mesh its a filter

Then you said: "having actual knowledge of weave and wire sizes makes it pretty easy to understand why there is no wire mesh that small"

Then that your supplier had nothing smaller than 400 mesh or something like that

Then you said something about single layers when in fact you previously said nothing about single layers.

Then you said... I just passed info I saw.

And also said that the screenshot of a supplier that I posted only has as small as 5 micron when the screenshot shows 3 micron.

And now you are back to the layers crap

What happened to: I have zero problem admitting when I use less than up to date info? Not that it really is less then up to date info as one micron mesh has been available for decades!

Maybe I'll buy a few hundred square feet of it, smear some crisco on it, put it in a good gold bearing waterway and collect more than enough gold to pay for it! Not that I cant already afford it.

 

[Goldwasher]

Dude you sure are on one aren't you?....I had a paper http://www.netafimusa.com/files/literature/wastewater/Mesh-vs-Micron.pdf....there are other ones that say the same thing...and I was serious what are all the layers it was a simple question....There are other producers of mesh on line that make the same statement... I was just making a relation to size just like you did in the report you linked on suspension. I'm not trying to misinform any one...

 

[Goldwasher]

http://www.fs.fed.us/r1/fire/nrcg/2011 Inspection Forms/11_Micron and Mesh.pdf

 

[DizzyDigger]

Maybe I'll buy a few hundred square feet of it, smear some crisco on it, put it in a good
gold bearing waterway and collect more than enough gold to pay for it! Not that I cant
already afford it.

A few hundred feet?

Your 9 oz. slug *might* be enough for 3 sq. yds. of that small a mesh, IF
they can even make it. Last time I priced it, the 100 mesh Sintered Steel
was over $3,000 per sq. yd., and that was direct from the manufacturer who
I'd had a long standing business relationship with. Retail you could probably
double that cost.

Can ya still afford a few hundred feet?

 

[GoldpannerDave]

In the chart, above, the material used is Sintered Stainless Steel
Mesh. Having worked with it in the past, I can tell you the cost
is off-the-charts, and can run as much as several hundred dollars
per sq. ft.

That materials more common application is it's use for both cell phone
and GPS patch antennas.

High costs? You are correct; I noticed one with a min. $28000 order; won't work for the average miner.

 

[ConceptualizedNetherlandr]

Oh please get off it! I cant take anymore of your misinformation! Lets see from memory you have said...

No wire mesh is less than 400 mesh

Wire mesh below 400 mesh isn't wire mesh its a filter

Then you said: "having actual knowledge of weave and wire sizes makes it pretty easy to understand why there is no wire mesh that small"

Then that your supplier had nothing smaller than 400 mesh or something like that

Then you said something about single layers when in fact you previously said nothing about single layers.

Then you said... I just passed info I saw.

And also said that the screenshot of a supplier that I posted only has as small as 5 micron when the screenshot shows 3 micron.

And now you are back to the layers crap

What happened to: I have zero problem admitting when I use less than up to date info? Not that it really is less then up to date info as one micron mesh has been available for decades!

Maybe I'll buy a few hundred square feet of it, smear some crisco on it, put it in a good gold bearing waterway and collect more than enough gold to pay for it! Not that I cant already afford it.

If you were going to oil up a screen/mesh of some sort and have the water flow through it rather than over/across it an opening size larger (probably much larger)than the largest target gold particle would be appropriate. The catching would be done by sticky not filtering. Also, this would allow some of the other stuff to pass. Small sized holes would just blind up right away. The other stuff suspended in the flow would be much larger than your gold while having the same hydraulic susceptibility to motivation by the stream solution.

And GW, I didn't research this, but perhaps layers means the size of interest is backed by larger sized screens for structural support?

 

[chlsbrns]

A few hundred feet?

Your 9 oz. slug *might* be enough for 3 sq. yds. of that small a mesh, IF
they can even make it. Last time I priced it, the 100 mesh Sintered Steel
was over $3,000 per sq. yd., and that was direct from the manufacturer who
I'd had a long standing business relationship with. Retail you could probably
double that cost.

Can ya still afford a few hundred feet?

Yes!

 

[chlsbrns]

If you were going to oil up a screen/mesh of some sort and have the water flow through it rather than over/across it an opening size larger (probably much larger)than the largest target gold particle would be appropriate. The catching would be done by sticky not filtering. Also, this would allow some of the other stuff to pass. Small sized holes would just blind up right away. The other stuff suspended in the flow would be much larger than your gold while having the same hydraulic susceptibility to motivation by the stream solution.

And GW, I didn't research this, but perhaps layers means the size of interest is backed by larger sized screens for structural support?

I wouldnt actually use the screen mesh, burlap works fine. I was just making a point that I could afford it. We dont use hand shovels to feed toy sluices to get a few specks of gold like the detractors here. We actually get gold!

I also get giggles when the small circle of detractors like each others misinformed posts. They remind me of ecoweenies who stick together in spite of the facts.

 

[Treasure_Hunter]

Please end the implied insults, applies to all....

 

[Goldwasher]

http://www.treasurenet.com/forums/geophysics/3199-micron-gold-recovery-3.html

 

[Goldwasher]

The fast recovery of gold(III) ions from aqueous solutions using raw date pits: Kinetic, thermodynamic and equilibrium studies

 

[Goldwasher]

https://openlibrary.org/books/OL5165537M/Geochemistry_of_gold_in_the_weathering_cycle