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Teresa wrote:Just because there are multiple formation pathways doesn't mean it isn't understood. It just takes more chemistry/biogeochemistry than is generally comfortable to endure.
The trouble is: there is no money in researching chert as there is in other mineral species. Most of the actual chert experts I have corresponded with have been anthropologists, not geologists. Now, those folks can look at a chert rock and tell you where it is from, why it is there, and what it is generally used for. It's fairly amazing compared with the 'duhs' I've gotten from many geos.
Nothing in this world is *completely* understood, IMO.
But disregarding the ultimate unknowability of the universe, it sounds like they've got a pretty good handle on what's going on.
You don't need to be so condescending, Barbara, with your 'doodette' remark. I can assure you I am no such thing.
WYOCAVER wrote:Chertainly
Nah, that's *glauconite*!WYOCAVER wrote:I tell new cavers that chert is fossilized fish dodo!!!!!!!!
Hardy, hardy, hardy, har.WYOCAVER wrote:Squirrel Girl, don't you mean "coprolites"??
Glauconite is the type of gun the night shift cops carry!!
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