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| Cockfield Formation | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Formation |
| Underlies | Moodys Branch Formation |
| Overlies | Cook Mountain Formation |
| Location | |
| Region | Mississippi, Louisiana |
| Country |  United States |
| Type section | |
| Named by | T. Wayland Vaughan [1] |
The Cockfield Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
Cynthiacetus is an extinct genus of basilosaurid early whale that lived during the Late Eocene Specimens have been found in the southeastern United States and Peru.
The Claiborne Formation or Claiborne Group is a geologic formation in Arkansas, Illinois, Kentucky, and Texas. It preserves fossils dating back to the Paleogene period.
The Owl Creek Formation is a geologic formation ranging from Tennessee to Mississippi. It preserves fossils dating back to the Cretaceous period. Ornithomimids and ceratopsid remains are known from the formation. The ceratopsid tooth could represent a chasmosaurine.
The Jackson Formation is a geologic formation in Tennessee. It preserves fossils dating back to the Paleogene period. Exposed only in bluffs along Mississippi River with thickness at least 60 feet. Primary rock type is sand. Secondary rock type is clay or mud. Other rock types include slit and lignite. "Light gray to buff, medium- to very fine-grained silty sand, interbedded with light gray clayey silt." From the Tertiary geological age.
The Gosport Sand is a geologic formation in Georgia, Alabama, and Mississippi. It preserves fossils dating back to the Paleogene period.
The Tallahatta Formation is a geologic formation found on the surface in Alabama, Florida, Georgia, and Mississippi. It is also located in the subsurface of Kentucky. The Tallahatta formation is part of the Claiborne Group and contains four members: the Basic City Shale in Mississippi, the Holy Springs Sand Member in Mississippi, the Meridian Sand Member in Alabama and Mississippi, and the Neshoba Sand Member in Mississippi. It preserves fossils dating back to the Paleogene period, specifically the Eocene.
The Marianna Limestone is a Limestone geologic formation located in Alabama, northwestern Florida, and Mississippi.
The Prairie Bluff Chalk is a geologic formation in Alabama and Mississippi. It preserves fossils dating back to the Cretaceous period.
Yazoo Clay is a clay geologic formation in Alabama, Louisiana, and Mississippi. It was named after a bluff along the Yazoo River at Yazoo City, Mississippi It contains is a type of clay known as montmorillonite, making it a poor foundation material due to the fact that moisture causes extreme changes in volume. Sand, pyrite, and marl have all been noted in the formation. It preserves fossils from the Eocene, including the prehistoric cetacean Basilosaurus.
The Chiwapa Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Cretaceous period.
The Pensacola Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Neogene period.
The Tuscahoma Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Chickasawhay Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Byram Marl is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Winona Formation is a sand geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Forest Hill Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Glendon Limestone is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Kosciusko Formation is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Mint Spring Marl is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Windrow Formation is a geologic formation in Minnesota named after Windrow Bluff on Fort McCoy, Monroe County, Wisconsin. It preserves fossils dating back to the Cretaceous period.
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