Articlc 2-Alluvial Gold Mining
Alluvial gold mining in West Africa is done in three ways the local mining method, popularly known as Galamsey derived from the word "gather them and sell" a method especially adopted by, illegal miners, in Ghana which involves using washing the gold away from the sand mixed with clay and stones, the use of modern gold processing machine ranging from 50tph to 1000tph (tons per hour) or more, and Alluvial gold mining by the river shore applying a local method, the use of calabash.
In this article, we will focus on the first method and we may take the next as time permits.
One can see the washing board in the image, on top of the board is a mat of foam-like material with small holes that traps the gold. Gold is a heavy substance, recall we talk about the weight of gold, so apply the law of gravity, gold being the heaviest substance, and setting up the board as you can see in the image above, to allow for a flow of the (AU) material, that's, the gold-bearing materials consisting of gold mixed with sand, clay and stones, for the AU materials to flow through the board, thereafter the AU materials are poured out into the board at one end and water is then poured on the top of the AU materials for them to flow through onboard, the mat.
The lighter substances, sand, stones, clay all impurities flow faster while gold flows slower allowing for the mat to trap gold. Finally, the gold traped in the mat are refined mostly by this method, as you can see in the image below, or by using lead to mold them into gold stones and thereafter burning the stones in the fire to separate the lead and other impurities to turn them into gold nuggets or gold stones. We have covered this local method, we will consider the next method in the following Articles.
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Gold
Your post is gold. Thanks for sharing all that information.
Wow, I didn't know about alluvial gold mining. I bet those rivers are filled with fine gold.
What kind of substance is used as a gold mat? I'm imagining somthing like packing material or cloth?
I'm interested in learning more! (Came here from ListNerds)
The kind of substance is just like form but is full of holes to trap the gold, as a result of the force of gravity the gold is stuck inside the mat.
look at the image below 👇👇
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It sure is interesting to see this type of method to collect gold. I guess it's very labor-intensive and I wonder if the bigger companies just use machines to replace this.
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You right on that, bigger or small gold companies in the categories of medium or major scale mining replace this operations with machine that's one of the methods to discuss in subsequent Articles to follow.
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That is cool that you are able to mine gold, what you are using in the U.S. is considered a sluice box and is a very efficient way of mining gold.
Sure I use sluice box too in Ghana also l don't do galamsey method because I was trained as a miner by an American anyway. Thanks for the contribution.
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