- Cenozoic
- Blancan
- Bronze Age
- chalcolithic
- Glenns Ferry Formation
- Iron Age
- Koobi Fora Formation
- Leda Clay
- Loup Fork Group
- lower Cenozoic
- middle Cenozoic
- Omo Group
- Osaka Group
- Quaternary
- Santa Fe Group
- Shungura Formation
- Siwalik System
- Stone Age
- Tertiary
- Anahuac Formation
- Apache Leap Tuff
- Arikareean
- Barreiras Formation
- Catahoula Formation
- Climax Porphyry
- Esna Shale
- John Day Formation
- Lincoln Creek Formation
- lower Tertiary
- middle Tertiary
- Muddy Creek Formation
- Neogene
- Neyveli Lignite
- paleogene
- Claron Formation
- Duchesne River Formation
- Eocene
- Ewekoro Formation
- Flagstaff Formation
- Ghost Rocks Formation
- Hanna Formation
- Huber Formation
- Ilerdian
- Imo Shale
- Kenai Group
- lower Paleogene
- Oligocene
- Orca Group
- paleocene
- Renova Formation
- Santa Susana Formation
- Sespe Formation
- Sinjar Formation
- Tyonek Formation
- upper Paleogene
- Wasatch Formation
- Pirabas Formation
- Sobral Formation
- Twin River Formation
- upper Tertiary
- Vaqueros Formation
- Warkalli Formation
- Zambales ophiolite
- Tulare Formation
- Uonuma Group
- upper Cenozoic
- Verde Formation
- Wildcat Group
- Yakataga Formation