| Montagne Noire Group Stratigraphic range: Carboniferous | |
|---|---|
| Type | Group |
| Location | |
| Country | France |
The Montagne Noire Group is a geologic group in France. It preserves fossils dating back to the Carboniferous period.
Albertogaudrya is an extinct genus of astrapotherian mammal that lived in present-day Salta, Argentina during the Eocene 48.6 to 37.2 million years ago. Fossils of Albertogaudrya have been found in the Lumbrera and Sarmiento Formations. It is named after French palaeontologist Albert Gaudry.
The Detroit River Group is a geologic group in Michigan and Ohio. It preserves fossils dating back to the Devonian period.
The Conemaugh Group is a geologic group in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous period.
The Monongahela Formation is a geologic formation in West Virginia, Pennsylvania, Ohio, and Maryland. It preserves fossils dating back to the Carboniferous and Permian periods.
The Cincinnati Group is a geologic group in Kentucky, Ohio and Indiana. It is Upper Ordovician.
The Golconda Formation is a geologic formation in Kentucky. It preserves fossils dating back to the Carboniferous period. In Indiana, the Golconda, it is called the Golconda Limestone and is part of the Stephensport Group.
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 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 Black River Group is a geologic group in Illinois and West Virginia. It preserves fossils dating back to the Ordovician period.
The Helderberg Group is a geologic group in New York. It preserves fossils dating back to the Devonian period.
The Clear Fork Group is a geologic group in the Texas Red Beds. It preserves fossils dating back to the Permian period.
The Wichita Group is a geologic group in the Texas Red Beds. It preserves fossils dating back to the Permian period.
The Benton Shale is a geologic formation in Montana, Wyoming, North Dakota, South Dakota, Colorado, Kansas, and Nebraska. It preserves fossils dating to the Cretaceous Period. The term Benton Limestone has also been used to refer to the chalky portions of the strata, especially the upper beds of the strata presently classified as Greenhorn Limestone. The Benton classification is obsolete in some regions, having been replaced by the ascending sequence Graneros Shale, Greenhorn Limestone, and Carlile Shale.
The Hermosa Group is a group of geologic formations in Utah and Colorado. It preserves fossils dating back to the Carboniferous period.
The Ancholme Group is a geologic group in England. It preserves fossils dating back to the Jurassic period. It has previously been referred to as the Ancholme Clay Group. The group consists of predominantly grey, marine mudstone and silty mudstone with beds of argillaceous limestone nodules. In parts of its range it interfingers with the Corallian Group, which predominantly consists of coralliferous limestones.
The Braunjura Group is a geologic group in France. It preserves fossils dating back to the Jurassic period.
The Lievin Group is a geologic group in France. It preserves fossils dating back to the Devonian period.
The Troaon Group is a geologic group in France. It preserves fossils dating back to the Devonian period.
The Hedmark Group is a geologic group that outcrops in Innlandet, Norway. It preserves microfossils of Neoproterozoic age.
The Copper Harbor Conglomerate is a geologic formation in Michigan. It is part of the larger Oronto Group and its formation dates to the Stenian period of the Proterozoic.
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