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From: Leon Fisk <lfiskgr@gmail.invalid>
Newsgroups: rec.crafts.metalworking
Subject: Re: gauge railway workshop to yard
Date: Mon, 10 Jun 2024 08:30:46 -0400
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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/

-- 
Leon Fisk
Grand Rapids  MI