As far as I know, the silver resistant bacteria were initially isolated from silver mines, tailings, and runoffs.
See

http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=215434
Plasmid-determined silver resistance in Pseudomonas stutzeri isolated from a silver mine.

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B82XX-4NT7XBK-15&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=410080c9d8631c8e1e40ecdc4f86288d
The silver-resistant /Acidithiobacillus ferrooxidans/ were isolated from 22 acid mine drainage (AMD) samples collected from Dexing Copper Mine and Chengmen Mountain Mine

http://isebindia.com/05_08/06-04-2.html
Microbial silver toxicity is found in situation of industrial pollution, especially those associated with mining

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132001000300001&lng=in&nrm=iso&tlng=in
/P. diminuta/, a gram-negative bacteria, previously isolated from a mining environment in Malaysia was used throughout the study (Ibrahim, 1993).

http://72.14.205.104/search?q=cache:9weGaBPD7zoJ:www.jmb.or.kr/home/journal/include/downloadPdf.asp%3Farticleuid%3D%257B62AFEB68-30B8-4AD9-AA29-87765731E1D9%257D+silver+resistant+bacteria+mines&hl=en&ct=clnk&cd=19&gl=us
were collected from ten sites at two abandoned *silver* and gold-mine areas

Marshall

Wayne Fugitt wrote:
Evening Faith,


At 10:51 AM 7/21/2008, you wrote:
I have never heard
of silver rich soil.  where is it?  Faith G.

  Silver rich soil does not
mean the same as a

  "Silver Rich Mine".

  Being a trace mineral,
likely a thimble full or a teaspoon full per acre would be more than enough.

Silver rich soils are usually the result of disturbance by man or nature, no doubt.

  The "silver rich" soils could have from a fraction or a
mg to a few mg per 100 grams of soil.
And soil depths vary, so likely no
one can figure out the amount per acre.

Seems we had some discussion a
few months ago.  Some did not believe that silver is a
necessary and
required nutrient.

I think I posted a reference that suggests it was in fact of
benefit to plants, but must be
compounded or chelated in the proper
manner.

Anytime we underestimate the adaptability of plants, animals,
bacteria, and virus, we have likely made a mistake.

And of course we all
believe in the benefits of silver. Yet few believe it is the answer to every
problem of the world.

Let us know when you start you silver mine in
"silver rich" soils.  <grin>

Wayne

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