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Comanche Peak Limestone

                                               

Corsicana Marl

The Corsicana Marl is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. It is primarily consisted of clay and mud, while a secondary rock type being sandstone.

                                               

Corwin Formation

                                               

Cow Creek Limestone

                                               

Crack Canyon Formation

                                               

Cuchillo Formation

                                               

Cuvieri-Planer Formation

                                               

Dalton Sandstone

                                               

Days Creek Formation

                                               

Debris Dam Formation

                                               

Del Norte Formation

                                               

Del Rio Clay

The Del Rio Clay is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. On the stratigraphic column at the site of attachment Bonnell starts with the lower Cretaceous Trinity group overlain by the Edwards gro ...

                                               

Denison Formation

                                               

Denton Formation

                                               

Devils River Limestone

                                               

Dolzschen Formation

                                               

Dotham Formation

                                               

Duck Creek Formation

                                               

Ector Chalk

                                               

Edwards Group

The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period. On the stratigraphic column at the site of the mount Bonnell fault starts with the lower Cretaceous Trinity group overlain by the Edwards g ...

                                               

Eek Mountain Formation

                                               

Escondido Formation

                                               

Eupachydiscus isculensis

                                               

Ferron Formation

The Ferron Formation is a geologic formation in Utah. It preserves fossils dating back to the Cretaceous period. Named Lupton 1916, education can be divided into upper and lower members based on lithologic character and history of sedimentation. ...

                                               

Finlay Formation

                                               

Fite Ranch Sandstone

                                               

Forbes Formation

                                               

Forbes Shale

The Forbes Shale is a geologic formation in the Sacramento Valley of northern California. It is located in the Sutter BUTTES of Sutter County, California. It preserves fossils of the Cretaceous period.

                                               

Fort Hays Limestone Member

The Fort Hays Limestone is a member of the Niobrara Formation of the Colorado Group exposed in Colorado, Kansas, Nebraska, and South Dakota and is named for the bluffs near the old Fort Hays, a well-known landmark in western Kansas. Defining the ...

                                               

Forth Worth Formation

                                               

Fredericksburg Group

                                               

Funks Shale

The Funks Shale is a geologic formation in the Sacramento Valley of northern California. It is located in the Sutter BUTTES of Sutter County, California. It preserves fossils of the Cretaceous period.

                                               

Gerhartsreiter Schichten Formation

                                               

Glen Rose Group

                                               

Gober Chalk

                                               

Goodland Limestone

The Goodland Limestone or Goodland Formation is a geologic formation in Arkansas and Texas. It preserves fossils dating back to the Cretaceous period.

                                               

Gravelly Flat Formation

                                               

Grayson Formation

                                               

Grayson Marl

                                               

Grunsandstein Formation

                                               

Gullup Formation

                                               

Hammett Shale

The Hammett Shale is a geologic formation in Texas. It preserves fossils dating back to the Cretaceous period. On the stratigraphic column at the site of the mount Bonnell fault starts with the lower Cretaceous Trinity group overlain by the Edwar ...

                                               

Heimburg Formation

                                               

Helgolandichthys

                                               

Henefer Formation

                                               

Hils Conglomerate Formation

                                               

Hoodoo Formation

                                               

Hornbrook Formation

                                               

Ignek Formation

                                               

Ilsenburg Formation