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Gold/Mining/Energy : A Little Forum For Gold Microclusters
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To: JACK R. SMITH JR. who wrote (24)8/7/1997 11:16:00 PM
From: Michael J. Wendell   of 142
 
Jack, microclusters can be physically transported in solution similar to other dissolved metal salts. Your question is, can the deposits down stream be derived from the erosion of the Oro Grande by physical forces? The difference here is the gold atoms are in atom groups, as a clusters and attache to something like a humate complex, or a piece of activated carbon, or certain clays. I can only assume that sediment cluster deposits developed because the clusters found some physical situation that caused the particles to deposit or attach to the new host.

If you use mercury as sodium amalgam or zinc amalgam, the combination will deposit clusters from bromine brine onto the surface of the brine. Research at one university found that gold clusters can attach to another piece of gold and will eventually merge into it. I don't remember who did that work. I have the paper among the numerous files I have collected.

The entire area around the Oro Grande is peppered with PGMs. At least that is what I am told.

I have collected humates by the sodium hydroxide method. Allowed them to sit in sunlight for two weeks exposure. I used hydroquinon to reduce the gold. A photographic method. A black precipitate formed that would go right into mercury. It turned out to be normal gold released from the humate.
The Oro Grande mine is so close to the Hasayampa (definition:upside down river I am told) that it is possible that the river served as a mechanical mode of transport to develop even richer deposits down stream. I also believe that there are more deposits like the Oro Grande in the area which might be even larger in surface exposure to feed values to the river, but they are not likely richer as primary deposits.

I am told that there are gold and PGMs upstream from the Oro Grande as well. Glad you enjoy the thread. mike
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