Category:Erathems
From EverybodyWiki Bios & Wiki
- Erathems — the total stratigraphic unit deposited during a geologic Era in the geologic timescale.
- Used in chronostratigraphy, geology, geobiology, paleogeography, paleontology, and stratigraphy.
Subcategories
This category has the following 2 subcategories, out of 2 total.
