Nano GOLD!

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Geowizard
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Re: Nano GOLD!

Post by Geowizard » Mon Dec 17, 2018 7:52 pm

Jim_Alaska wrote:
Mon Dec 17, 2018 4:34 pm
Interesting Wiz. On a claim I had in Alaska I had shale and gold sandwiched between the sheets of shale, I always assumed that the gold was deposited over time by flood events and that was why it was between the shale sheets. I never occurred to me to look into the shale, nor did I have the means to do so.
Jim,

That's very interesting!

Yes, you may have missed the BIG one! I have had many discussions on this point before. The question is how far does GOLD go down into bedrock?

Some say 18 inches to two feet... I say, "It could go down two miles!"

Depending on the deposit model and where you are on the deposit, the GOLD may go thousands of feet down. :)

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Re: Nano GOLD!

Post by Geowizard » Mon Dec 17, 2018 8:04 pm

Another method;

An interesting YouTube channel is "Cody's Lab". Cody is a Geology Student in Utah. He has many interesting and educational videos that demonstrate various precious metal recovery methods.

One method shown recently is the dissolution of GOLD in a solution of Hydrochloric Acid. The GOLD becomes GOLD Chloride in solution. The reaction (dissolution) is much faster than other methods. Again, the GOLD is recovered from the solution through evaporation, roasting and melting. :)

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Re: Nano GOLD!

Post by Slatco » Tue Dec 18, 2018 2:50 pm

Hmm, so nothing really outside of a chemical process. Pity, as the bonds increase significantly if chemicals are being used (at least where I mine in BC)
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Re: Nano GOLD!

Post by Geowizard » Tue Dec 18, 2018 5:59 pm

Slatco,

Yes, I understand the bonding requirement for use of ANY chemicals in Canada. That's a problem.

Governments and Regulatory agencies must use discretion in controls applied to miners. It is understood that the use of "hazardous" chemicals is a matter of social concern. SALT is not listed as a hazardous chemical in any jurisdiction that I know of outside of Canada. To restrict the use of ALL chemicals is not rational. Yes, it is possible that a miner might release SALT into a freshwater source. The fact that SALT is everywhere in the environment doesn't matter. "YOUR" salt requires regulation and is subject to bonding to mitigate the potential cleanup of any possible errant salt that gets into the environment.

Mining is a business. Even recreational mining comes as a cost/benefit calculation for miners. When we enter into this business of mining, we obligate ourselves to the responsibility of designing (creating out of thin air) a process that excludes any possible harm to the environment. That unfortunately comes at a cost. Miners have to begin a process of looking at the mineral resource and taking a pencil in hand to calculate the cost versus revenue just as you would in any other business venture. If the numbers don't work out - move on.

If you live in Canada, I can safely assume you live closer to Alaska than I do. I live 50 miles from the US-Mexico border! Canadians mine in Alaska for many reasons. One reason being the mining friendly jurisdiction. I elected to mine in Alaska even though it is 3000 miles from home because of the modest regulatory climate, including reasonable management of the mining process. Much of the DOMAIN in ALASKA is controlled by and under ownership of the State of Alaska. That avoids the excess regulation and Federal Government over-reach.

My advice is "follow the path of least resistance". :)

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Re: Nano GOLD!

Post by Geowizard » Thu Dec 20, 2018 8:18 pm

Chemical free process:

http://www.cleangold.com/cleangold/home.html

Disclaimer: This does not represent a product endorsement. I am not buying or selling this product. I am not an employee nor do I have any investment in this company. :)

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Re: Nano GOLD!

Post by Geowizard » Fri Dec 21, 2018 7:13 pm

Gold nano-particles;

Here's a reference on Gold Nano-Particles;

https://www.sigmaaldrich.com/technical- ... icles.html

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Re: Nano GOLD!

Post by Slatco » Fri Dec 21, 2018 8:47 pm

Took a look at the cleangold system. Maybe I am naive but I just can't see how that system could process the volume to make the accumulation of nano gold profitable.
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Re: Nano GOLD!

Post by Jim_Alaska » Fri Dec 21, 2018 10:22 pm

I am very familiar with this system. It needs to be tailored to the specific operation you are running. Just as there are vast differences between a clean up sluice and a production sluice, so it is with the CleanGold product.
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Re: Nano GOLD!

Post by Geowizard » Sat Dec 22, 2018 3:33 pm

Slatco,

If you want to capture Micron or Nano GOLD, the process has to be designed (tailored) around the SCALE of production that you desire AND... the size of GOLD. If the CleanGold system is considered as the desired process, then two things come into play;

1. Preconditioning and screening. Small GOLD requires screening to get ALL of the material down to Micron or Nano size. You cannot expect to run four inch minus through a fine GOLD recovery process. The "ratio of the masses" must be observed. That is the MASS of the Gangue particles must preferably be the same as the Mass of the GOLD particles.

2. Scale. If one CleanGold sluice will run one cubic yard per hour - you have to scale the number of sluices and/or the size of the sluicing operation to the desired scale. You may need to order 50 Clean Gold sluices. I have seen operations that run 100 Blue Bowls to recover fine GOLD.

Whether production or clean-up, the GOLD won't get to the clean-up if it is not recovered in production. :)

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Last edited by Geowizard on Sat Dec 22, 2018 3:45 pm, edited 1 time in total.
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Re: Nano GOLD!

Post by Geowizard » Sat Dec 22, 2018 3:42 pm

Flotation;

Yep, it involves "chemicals".

Nano and Micron GOLD will FLOAT on water! This size of GOLD is often what is seen in a GOLD pan that float right out of the pan! Adding a Flotant to the production process improves recovery of small GOLD that may otherwise be lost. A flotation tank or a series of flotation tanks can be used to recover free GOLD that is too small to recover by conventional GRAVITY methods. This process usually involves a preliminary small-scale study before going to a large-scale recovery system.

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