#erathems — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #erathems, aggregated by home.social.
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Erathem (Geology terminology ⛰️)
In stratigraphy, paleontology, geology, and geobiology, an erathem is the total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale. It can therefore be used as a chronostratigraphic unit of time which delineates a large span of years – less than a geological eon, but greater than ...
https://en.wikipedia.org/wiki/Erathem
#Erathem #Erathems #Stratigraphy #Geochronology #GeologicalEras #Paleogeography