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| Muldraugh Formation | |
|---|---|
| Stratigraphic range: Mississippian | |
| Type | Formation |
| Unit of | Sanders Group |
| Underlies | Harrodsburg Limestone |
| Overlies | Edwardsville Formation |
| Location | |
| Region | Indiana |
| Country | United States |
The Muldraugh Formation is a geological formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Trenton Formation is a geologic formation in Canada and Michigan, Ohio, and Indiana in the United States. It preserves fossils dating back to the Ordovician period.
The Waynesville Formation is a geologic formation in Ohio and Indiana. It preserves fossils from the Late Ordovician period.
The Whitewater Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Saluda Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Liberty Formation is a geologic formation in Ohio and Indiana. It preserves fossils dating back to the Ordovician period.
The Salem Formation is a geologic formation in Illinois, Indiana, Kentucky, and Missouri. It preserves fossils dating back to the Mississippian subperiod.
The Davis Formation is a geologic formation in Indiana and Missouri. It preserves fossils dating back to the Cambrian period.
The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period.
The Petersburg Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Big Clifty Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Brazil Formation is a geologic formation in Indiana consisting of shale, sandstone, clay, and coal. It preserves fossils dating back to the Carboniferous period
The Carbondale Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Linton Formation is a geologic formation in Indiana. It is the lower formation in the Carbondale Group, and includes six named members, "which, in ascending order, are the Seelyville Coal, Coxville Sandstone, Colchester Coal, Mecca Quarry Shale, Velpen Limestone, and Survant Coal Members, and unnamed units of sandstone, shale, and clay".
The Mansfield Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Shelburn Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period.
The Osgood Formation, also known as the Osgood Shale is a geologic formation in Indiana, Kentucky, and Ohio. It preserves fossils dating back to the Silurian period.
The Laurel Formation, also known as the Laurel Limestone or the Laurel Dolomite, is a geologic formation in Indiana and Kentucky. It preserves fossils dating back to the Silurian period.
The Shakopee Formation is a geologic formation in Illinois, Indiana, Wisconsin, and Minnesota. It preserves fossils dating back to the Ordovician period. It is named after the town of Shakopee, Minnesota, where the formation can be seen in bluffs along the Minnesota River
The Franconia Formation is a geologic formation in the upper mid-western United States, with outcroppings found in Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin. It preserves fossils dating back to the Cambrian period. It was named the Franconia Formation due to the first published documentation of exposures in vicinity of Franconia, Minnesota in the 1897 Ph.D. dissertation by Charles P. Berkley at the University of Minnesota titled Geology of the St. Croix Dalles. The Franconian stratigraphic stage was named after this formation.
The Potosi Formation is a geologic formation in Missouri, Illinois and Indiana. It preserves fossils dating back to the Cambrian period.
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