Live and recent posts from across the Fediverse tagged #proterozoicnorthamerica, aggregated by home.social.
Medicine Hat Ocean (Oceanography 🌊)
The Medicine Hat Ocean is an inferred small ocean basin that closed in the Proterozoic as the Hearne craton and Wyoming craton collided.
https://en.wikipedia.org/wiki/Medicine_Hat_Ocean
#MedicineHatOcean #Oceanography #HistoricalOceans #GeologyOfNorthAmerica #ProterozoicNorthAmerica
Huronian glaciation (Glaciology 🗻)
The Huronian glaciation was a period where at least 3 ice ages occurred during the deposition of Huronian Supergroup. Deposition of this largely sedimentary succession extended from approximately 2.5 to 2.2 billion years ago, during the Siderian and Rhyacian periods of the Paleoproterozoic era. Evid...
https://en.wikipedia.org/wiki/Huronian_glaciation
#HuronianGlaciation #IceAges #Glaciology #ExtinctionEvents #PaleoproterozoicGeology #ProterozoicNorthAmerica