Fossil Mining mod by Ice and Aviform is now live: Fossil Mining
It adds 40+ fossils that you can find randomly while mining, in tiers of rarity, to make mining more interesting and more profitable. You can even add the fossils you collect to your Legacy of the Dragonborn museum!
It requires V1.15 for support.
When adding the fossil mining mod, if you are not starting a fresh game, you need to clean these scripts to allow display setup, activators, MCM checklist and prepstation sorting to function for them: