List of fossiliferous stratigraphic units in Oregon

This article contains a list of fossil-bearing stratigraphic units in the state of Oregon, U.S.

Lists of fossiliferous stratigraphic units Cenozoic

Group Formation Period Notes Elk River Formation Pleistocene Irvingtonian Elk River Formation at Fossilworks.org Port Orford Formation Middle Pleistocene Port Orford Formation at Fossilworks.org Merced Formation Plio-Pleistocene Merced Formation at Fossilworks.orgMerced Formation at USGSMerced Formation publications at USGS Empire Formation Tortonian-Zanclean Empire Formation at Fossilworks.org Alkali Canyon Formation Hemphillian Alkali Canyon Formation at Fossilworks.orgAlkali Canyon Formation at USGS Chalk Butte Formation Hemphillian Chalk Butte Formation at Fossilworks.orgChalk Butte Formation at USGSChalk Butte Formation publications at USGS Drewsey Formation Hemphillian Drewsey Formation at Fossilworks.orgDrewsey Formation at USGS McKay Formation Hemphillian McKay Formation at Fossilworks.orgMcKay Formation at USGSMcKay Formation publications at USGS Juntura Formation Clarendonian Juntura Formation at Fossilworks.org The Dalles Formation Clarendonian The Dalles Formation at Fossilworks.orgThe Dalles Formation at USGSThe Dalles Formation publications at USGS Butte Creek Formation Barstovian Butte Creek Formation at Fossilworks.org Deer Butte Formation Barstovian Deer Butte Formation at Fossilworks.org Sucker Creek Formation Barstovian Sucker Creek Formation at Fossilworks.orgSucker Creek Formation at USGSSucker Creek Formation at USGS Mascall Formation Hemingfordian-Barstovian Mascall Formation at Fossilworks.org John Day Formation John Day Fossil Beds National Monument Late Eocene-Early Miocene(Duchesnean-Hemingfordian) John Day Formation at Fossilworks.orgJohn Day Formation at USGS Nye Formation Chattian-Burdigalian(Arikareean-Hemingfordian) Nye Formation at Fossilworks.org Astoria Astoria Shale Oligocene Astoria Group at Fossilworks.orgAstoria Shale at USGSAstoria at USGS Scotts Mills Formation Chattian Scotts Mills Formation at Fossilworks.org Yaquina Formation Chattian Yaquina Formation at Fossilworks.orgYaquina Formation at USGS Alsea Formation Rupelian (Whitneyan) Alsea Formation at Fossilworks.orgAlsea Formation at USGS Fisher Formation Rupelian Fisher Formation at Fossilworks.orgFisher Formation at USGSFisher & Eugene Formations at USGS Mehama Formation Early Oligocene Mehama Formation at Fossilworks.orgUndifferentiated tuffaceous sedimentary rocks, tuffs, and basalt - Mehama Formation at USGS Pittsburg Bluff Formation Priabonian-Chattian Pittsburg Bluff Formation at Fossilworks.orgPittsburg Bluff Formation at Mindat.orgPittsburg Bluff Formation at Mindat.org Keasey Formation Priabonian-Rupelian Keasey Formation at Fossilworks.org Eugene Formation Priabonian Eugene Formation at Fossilworks.orgEugene Formation at USGS Nestucca Formation Bartonian-Priabonian Nestucca Formation at Fossilworks.org Spencer Formation Bartonian Spencer Formation at Fossilworks.org Coaledo Formation Bartonian Coaledo Formation at Fossilworks.org Cowlitz Formation Bartonian Cowlitz Formation at Fossilworks.orgCowlitz Formation at USGS Clarno Formation John Day Fossil Beds National Monument Bridgerian-Duchesnean Clarno Formation at Fossilworks.orgClarno Formation at USGS Tyee Formation Ypresian-Lutetian Tyee Formation at Fossilworks.orgTyee Formation at USGS Umpqua Camas Valley Formation Ypresian Camas Valley Formation at Fossilworks.orgUmpqua Group at USGS Flournoy Formation Lutetian Flournoy Formation at Fossilworks.orgFlournoy Formation at USGS Lookingglass Formation Ypresian Lookingglass Formation at Fossilworks.orgLookingglass Formation at USGS Roseburg Formation Ypresian Roseburg Formation at Fossilworks.orgRoseburg Formation at USGS White Tail Ridge Formation Ypresian White Tail Ridge Formation at Fossilworks.orgWhite Tail Ridge Formation at Mindat.org Tenmile Formation Ypresian Tenmile Formation at Fossilworks.orgTenmile Formation at USGS Bushnell Rock Formation Ypresian Bushnell Rock Formation at Fossilworks.orgBushnell Rock Formation at USGS Yamhill Formation Ypresian-Priabonian Yamhill Formation at Fossilworks.orgYamhill Formation at USGS Siletz River Volcanics Selandian-Ypresian Siletz River Volcanics at Fossilworks.orgSiletz River Volcanics at USGS

Mesozoic

Group Formation Period Notes Cape Sebastian Sandstone Campanian Cape Sebastian Sandstone at Fossilworks.orgCape Sebastian Sandstone at USGS Chico Formation Santonian-Campanian Chico Formation at Fossilworks.orgChico Formation at USGS Hudspeth Formation Albian Hudspeth Formation at Fossilworks.orgHudspeth Formation at USGS Days Creek Formation Valanginian-Barremian Days Creek Formation at Fossilworks.orgDay Creek Formation at Fossilworks.org Myrtle Myrtle Formation Valanginian-Hauterivian Myrtle Formation at Fossilworks.org Dothan Formation Berriasian-Valanginian Dotham Formation at Fossilworks.orgDothan Formation at USGS Otter Point Formation Tithonian-Berriasian Otter Point Formation at Fossilworks.orgOtter Point Formation at USGS Coon Hollow Formation Oxfordian Coon Hollow Formation at Fossilworks.orgCoon Hollow Formation at USGS Lonesome Formation mid Callovian Lonesome Formation at Fossilworks.orgLonesome Formation at USGS Weberg Formation Bajocian Weberg Formation at Fossilworks.orgWeberg Member at USGS Snowshoe Formation Toarcian-Bathonian Snowshoe Formation at Fossilworks.orgSnowshoe Formation at USGS Mowich Hyde Formation early Toarcian Hyde Formation at Fossilworks.org Nicely Formation late Pliensbachian Nicely Formation at Fossilworks.org Robertson Formation late Pliensbachian Robertson Formation at Fossilworks.orgRobertson Formation at USGS Suplee Formation late Pliensbachian Suplee Formation at Fossilworks.orgMowich Group at USGS Graylock Formation Hettangian Graylock Formation at Fossilworks.org Hurwal Formation Norian Hurwal Formation at Fossilworks.org Martin Bridge Limestone Carnian-Norian Martin Bridge Formation at Fossilworks.orgMartin Bridge Formation at USGS Vester Formation Carnian-Norian Vester Formation at Fossilworks.org Rail Cabin Argillite Norian Rail Cabin Argillite at Fossilworks.org Brisbois Member Carnian Brisbois Formation at Fossilworks.orgBrisbois Member at USGS Aldrich Mountains Fields Creek Formation Ladinian-Norian Fields Creek Formation at Fossilworks.orgFields Creek Formation at USGS

Paleozoic Group Formation Period Notes Coyote Butte Limestone Sakmarian-Kungurian Coyote Butte Formation at Fossilworks.orgCoyote Butte Formation at USGS

See also

Paleontology in Oregon Lists of Oregon-related topics

References