Scientific Frontline@sflorg@mastodon.social
More than a billion years ago, in a shallow #basin across what is now northern Ontario, a #subtropical lake much like modern-day Death Valley evaporated under the sun’s gentle heat, leaving behind #crystals of #halite — rock #salt
#EarthScience #sflorg
https://www.sflorg.com/2025/12/es12232501.html