A fungus that dissolves gold...
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lkenefic
Posts: 8,656 ✭✭✭✭✭
I'm just going to leave this here...
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Now that is going to be interesting.
Cream of Golden Mushroom (Fungi) soup/chowder.
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“Fungi present in soil of the so-called Golden Triangle Gold Prospect zone of Australia can oxidize the metal, researchers reported May 23 in Nature Communications. The reaction dissolves gold, after which the fungi precipitate the metal on their surfaces, a process that may help move the metal from deeper deposits in the Earth’s crust closer to the surface.“
Courtesy Interesting Scientific Journal Article Post👇for @LKenefic
Stuart
Collect 18th & 19th Century US Type Coins, Silver Dollars, $20 Gold Double Eagles and World Crowns & Talers with High Eye Appeal
"Luck is what happens when Preparation meets Opportunity"
Does that mean "Gold Bugs" are really fungi in disguise?
sounds like Chinese collusion to me
Goldbugz are fun guys.
"gold decoration seems to benefit the fungus" (https://www.livescience.com/65562-gold-studded-fungus-australia.html)
There is a "weed" that grows in our desert only when gold is in the ground......microscopic but it has to have gold to flourish....great for us prospectors and metal detectorists.
bob
Goldenrod?
😎
Gold Decoration seems to Benefit the Fungus
Web Link to Article: 👉 (https://www.livescience.com/65562-gold-studded-fungus-australia.html)
Stuart
Collect 18th & 19th Century US Type Coins, Silver Dollars, $20 Gold Double Eagles and World Crowns & Talers with High Eye Appeal
"Luck is what happens when Preparation meets Opportunity"
Now that is interesting.... I am surprised since gold is such an inert element...Another tool for gold seekers... Cheers, RickO
Gold from mold. Hmmm.....
No, not goldenrod.....that does not grow here in the desert....lol
This is possibly the key phrase in the article for gold mining companies:
“In fact, a previous study, which did not distinguish between dissolved and colloidal gold, showed that prokaryotic microorganisms could oxidatively dissolve 45.7% (in weight) of gold in soil microcosms after 45 days of incubation.”
[Tsing Bohu, Ravi Anand, Ryan Noble, et al, “Evidence for fungi and gold redox interaction under Earth surface conditions,” Nature Communications 10, Article number: 2290 (2019).]
Just when you think it's safe to go outside. Might be related to the blob of cinema fame. There's a fungus among us.
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Consider the future ––
Gold ore processing and concentrating might look and operate much like a community waste water treatment plant. No cyanide or other harmful chemicals – just a constant, methodical process from extraction to concentration to cast bars. Not fast. Not exciting. Minimal environment damage.
Further, low grade ore – even old tailings – could yield substantial amounts of gold by recovery of mico- and nano-particles presently lost, or recovered only by expensive chemical processes.
These little “gold bugs” would ask for little and give a lot – all very cheaply.
Also, after rereading the article and some of the cited references, it might be feasible to nourish, in part, Fusarium oxysporum with coal mine waste now held in sequestration ponds.
@RogerB Killing a fungus is way too easy....trying to keep them alive to do a job would be a job in itself. I'm quite sure that this fungus does not just live anywhere and everywhere. Only certain conditions will support fungal life. Probably not a tailing pile.
bob
True. The concentrating plant would need to keep the little buggers alive and hopping. However, Fusarium oxysporum is widely found, and not especially sensitive to local conditions. The formae specialis that best suits commercial use would have to be determined, tested to prove it does not produce toxins, and possibly have some genetic elements altered for the specific task. But -- think of what could be done, not how it might not be done.
Coin doctors have been using this for about 15 years to simulate original "crust". Remarkable that the Sniffer hasn't picked it up
Australifungi numismedicalis reawakens sensory receptors more like French white truffles than Italian black ones. Odor-(but not color)-wise
Remarkable that the US Department of Agriculture hasn't yet put a tariff on this to stop it
Sniff the tariff.