- 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
- Absaroka SuperGroup
- Ameki Formation
- Annot Sandstone
- Baca Formation
- Biarritzian
- Castle Hayne Limestone
- Chuckanut Formation
- Chumstick Formation
- Clarno Formation
- Colton Formation
- Cozy Dell Formation
- Crescent Formation
- Crystal River Formation
- Golden Valley Formation
- Jacksonian
- Lake Gosiute
- Lake Uinta
- Llajas Formation
- Lookingglass Formation
- lower Eocene
- Lutetian
- Matilija Formation
- middle Eocene
- Mirador Formation
- Nanjemoy Formation
- Narizian
- Punta Mosquito Formation
- Pyrenean Orogeny
- Refugian
- Rose Canyon Formation
- Subathu Formation
- Swauk Formation
- Umpqua Formation
- upper Eocene
- Vermillion Creek coal bed
- Wapiti Formation
- Werillup Formation
- Wilkins Peak Member
- Yamhill Formation
- 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