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| Marianna Limestone | |
|---|---|
| Stratigraphic range: Paleogene | |
| Type | Geologic formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Region | Alabama, Florida, Mississippi |
| Country |  United States |
The Marianna Limestone is a limestone geologic formation located in Alabama, northwestern Florida, and Mississippi.
It preserves fossils dating back to the Paleogene period of the early Cenozoic Era.
The Fort Payne Formation, or Fort Payne Chert, is a geologic formation found in the southeastern region of the United States. It is a Mississippian Period cherty limestone, that overlies the Chattanooga Shale, and underlies the St. Louis Limestone. To the north, it grades into the siltstone Borden Formation. It preserves fossils dating back to the Carboniferous period.
The Whitewater Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Harrodsburg Limestone is a geologic formation, a member of the Sanders Group of Indiana Limestone, of Mississippian age. It was named for Harrodsburg in southern Monroe County, Indiana by T. C. Hopkins and C. E. Siebenthal. It is made up primarily of calcarenite and calcirudite. It also may include some beds of dolomite and shale.
The Leipers Limestone is a geologic formation in Kentucky, Tennessee, Alabama and Georgia. It preserves fossils dating back to the Ordovician Period.
The Keokuk Limestone is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian sub-period.
The Midway Group is a geologic group in Tennessee, Arkansas, Mississippi, Louisiana, Texas and Alabama. It preserves fossils dating back to the Paleogene period.
The Tomstown Dolomite or Tomstown Formation is a geologic formation in Maryland, Pennsylvania, Virginia and West Virginia. It preserves fossils dating to the Cambrian Period.
The Alum Bluff Group is a geologic group in the states of Georgia, Florida, and Alabama. It preserves fossils dating back to the Neogene period.
The Bridgeboro Limestone is a geologic formation in Georgia and Florida. The limestones and sandstones of the formation preserve fossils dating back to the Early Oligocene of 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 Hatchetigbee Bluff Formation is a geologic formation in Alabama, Georgia, Louisiana and Mississippi. The youngest unit of the Wilcox Group preserves fossils dating back to the Ypresian stage of the Eocene period, or Wasatchian in the NALMA classification. The formation is named for Hatchetigbee Bluff on the Tombigbee River, Washington County, Alabama.
The Salt Mountain Limestone is a geologic formation in southern Alabama and Mississippi.
The Prairie Bluff Chalk is a geologic formation in Alabama and Mississippi. It preserves fossils dating back to the Cretaceous period.
The Monteagle Limestone is a geologic formation in Alabama. It preserves fossils dating back to the Carboniferous 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 Bangor Limestone is a fossil bearing Mississippian geologic formation in Alabama.
The Glendon Limestone is a geologic formation in Mississippi. It preserves fossils dating back to the Paleogene period.
The Burlington Limestone is a geologic formation in Missouri, Iowa and the Midwest region. It preserves fossils dating back to the Mississippian subperiod.
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