>>7383980
...Sounds as though it's metaphorically describing a celestial event in the ancient skies. the 'Bear' a constellation and the 7 'sisters' as planets, asteroids or other large bodied, electrically charged body. Plasma arcing is known to cause instant fossilization.
https://www.youtube.com/watch?v=5vOMGQTjW9k&t=1s "Peter Mungo Jupp: Instant Fossilization | EU2017"