- Paleozoic
- Antler Orogeny
- Arbuckle Group
- Baralaba Coal Measure
- Bedford Shale
- Bird Spring Formation
- Bowers Supergroup
- Broken River Formation
- Bucksport Formation
- Caledonian Orogeny
- Cambrian
- Cape Elizabeth Formation
- Carboniferous
- Casco Bay Group
- Casper Formation
- Catskill Formation
- Chattanooga Shale
- Collier shale
- Cow Head Group
- Deadwood Formation
- Devonian
- Acadian Phase
- Ackley Granite
- Barre Granite
- Beaverhill Lake Group
- Cedar City Formation
- Chelmsford Granite
- Clays Ferry Formation
- Fisset Brook Formation
- Gile Mountain Formation
- Guilmette Formation
- Hunsruck Shale
- Keg River Formation
- Lewis Shale
- Lilydale Limestone
- Lost Burro Formation
- Lower Devonian
- Martin Formation
- Middle Devonian
- Miette Complex
- Millboro Shale
- Old Red Sandstone
- Ramparts Formation
- Slave Point Formation
- Swan hills Formation
- Traverse Group
- Upper Devonian
- Upper Old Red Sandstone
- Waterways Formation
- Zlichovian
- Downtonian
- Dunkard Group
- Earn Group
- Ellesmerian Orogeny
- Ellis Bay Formation
- Endicott Group
- Exshaw Formation
- Hanson Creek Formation
- Hartland Formation
- Hidden Valley Dolomite
- Honaker Trail Formation
- Horton Group
- Hunton Group
- Ishbel Group
- Keyser Limestone
- Kittery Formation
- Knox Group
- Laborcita Formation
- Lisburne Group
- lower Paleozoic
- Magdalena Group
- Manhattan Formation
- Maroon Formation
- Matapedia Group
- Merrimack Group
- middle Paleozoic
- Mikabu System
- Minnelusa Formation
- Ordovician
- Ouachita Orogeny
- Paganzo Group
- Peel Sound Formation
- Permian
- Petersburg Granite
- Phuket Group
- Pilot Shale
- Rangeley Formation
- Read Bay Formation
- Ringerike Sandstone
- Road River Formation
- Rondout Formation
- Sambagawa Belt
- Shawangunk Formation
- Shoo Fly Complex
- Silurian
- Silvretta Group
- Supai Formation
- Taconic Orogeny
- Talladega Group
- Tensleep Sandstone
- upper Paleozoic
- Weber Sandstone
- Wells Formation
- Wissahickon Formation
- Woodford Shale
