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From: Richard Smith <null@void.com>
Newsgroups: rec.crafts.metalworking
Subject: Re: gauge railway workshop to yard
Date: Wed, 12 Jun 2024 08:07:38 +0100
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Leon Fisk <lfiskgr@gmail.invalid> writes:

> On Mon, 10 Jun 2024 08:37:50 +0100
> Richard Smith <null@void.com> wrote:
>
> <snip>
>>This is driven by my wanting to actually experience the realities of
>>mineral processing.
>>Start with a heap of "rocks" and end up with some metallic minerals.
>>I'm getting better at spotting things.
>
> A very different "mining" method you may find of interest :)
>
> https://www.sciencefriday.com/segments/phytomining-harvesting-metal-through-plants/

Makes sense to develop this.
Heard of plants which absorb so much arsenic that logic says try to
work-out what advantage they could be getting.

If I recall, in history - eg. Roman times? - substances like iodine (?)
were obtained from gathering, drying and burning seaweed - so in-essence
"phytomining"

Here in Cornwall there area areas of mine tailings where nothing has
grown in more than 150 years

http://www.weldsmith.co.uk/tech/minerals/240405_aspr/240403_ode_arsenopyrite.html
"Ode to Arsenopyrite"

Best wishes,
Rich S