Quote:
Originally Posted by malloyd
As an aside, another issue to be wary of for a recently created biosphere is that many ore deposits have biological origins too.
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Depending on what 'recently created' and 'biosphere' mean, it can be a lot worse than that, because an awful lot of ore deposits have to do with the water cycle, and a truly young biosphere probably hasn't had large amounts of liquid water around for all that long.