Statherian (Geological periods π)
The Statherian Period is the final geologic period in the Paleoproterozoic Era and lasted from 1800 Mya to 1600 Mya. Instead of being based on stratigraphy, these dates are defined chronometrically. The period was characterized on most continents by either new platforms or final cratonization of fold belts. Oxygen levels were 10% to 20% of cu...
https://en.wikipedia.org/wiki/Statherian
#Statherian #Paleoproterozoic #GeologicalPeriods #ProterozoicGeochronology

