Not science as such but . . .

[Icarus]

It is me again..................... What would we do without salt?  How would we salt the rim of our Margaritas?  A long time ago our salt had to be imported. It was expensive.  Then we learned something that certain indigenous people were aware of. ..................Salt in Appalachia?  Yep. Big time salt in a place that once was an ocean, namely West Virginia.

An interesting read here:  https://getpocket.com/explore/item/making-salt-from-an-ancient-underground-ocean?utm_source=pocket-newtab