this post was submitted on 20 Mar 2024
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This is kind of interesting to me because there are several absolutely a clear mineralogical change that meets this requirement:
With maybe the undoubted introduction of plastics into the earths crust as a mineral. Future scientists will absolutely be able to time this change globally because in geological terms, plastics will have been introduced 'everywhere' at about the same time. It will be a distinct marker that can be used to effectively time mass extinctions and a massive change to the atmospheric concentration of CO2.
Just because I have no clue about the definition:
Does plastic count as a mineral?
Mineral => A naturally occurring inorganic solid
So yes it's a mineral, just not the dietary mineral we think of when we consider "vitamins and minerals" (though even then we kinda already absorb loads of it as we do other minerals)
Thanks for the explanation!