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  2. Mazon Creek fossil beds - Wikipedia

    en.wikipedia.org/wiki/Mazon_Creek_fossil_beds

    The Mazon Creek fossils are found in the Upper Carboniferous Francis Creek Shale. [6] The type locality is the Mazon River (or Mazon Creek), a tributary of the Illinois River near Morris, Grundy County, Illinois. The 25 to 30 meters of shale were formed approximately , during the Pennsylvanian period.

  3. Pierre Shale - Wikipedia

    en.wikipedia.org/wiki/Pierre_Shale

    The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada [2] to New Mexico. The Pierre Shale was described by Meek and Hayden in 1862 in the Proceedings of the Academy of Sciences (Philadelphia).

  4. Mazon River - Wikipedia

    en.wikipedia.org/wiki/Mazon_River

    Map all coordinates using OpenStreetMap. The Mazon River or Mazon Creek ( / məˈzɒn / ), is a tributary of the Illinois River in the United States. The confluence is near Morris, Illinois. [ 2] The Mazon River is associated with the Mazon Creek fossils of the Francis Creek Shale, which are also exposed in strip mines and quarries near the River.

  5. List of fossil sites - Wikipedia

    en.wikipedia.org/wiki/List_of_fossil_sites

    List of fossil parks around the world. List of fossil parks in India. Pleistocene fossils in Michigan. List of human evolution fossils. Malapa Fossil Site, Cradle of Humankind – Cave. Mary Anning – British fossil collector and palaeontologist (1799–1847) Paleobiology – Study of organic evolution using fossils.

  6. Maquoketa Group - Wikipedia

    en.wikipedia.org/wiki/Maquoketa_Group

    Paleozoic Stratigraphy of the Upper Midwest, USA. The Maquoketa Group is an assemblage of several geologic formations. It is Upper Ordovician in age and named for the Maquoketa River in Iowa. It exists in Missouri, Wisconsin, Iowa, Illinois, and Indiana. It is equivalent to the all but the basal formations of the Cincinnati Group in Ohio.

  7. Eagle Ford Group - Wikipedia

    en.wikipedia.org/wiki/Eagle_Ford_Group

    Eagle Ford stratigraphic column Outcrop of the Eagle Ford and Austin Chalk Contact off Kiest Blvd, 1/2 mile east of Patriot Pky in Dallas County. The Eagle Ford Group (also called the Eagle Ford Shale) is a sedimentary rock formation deposited during the Cenomanian and Turonian ages of the Late Cretaceous over much of the modern-day state of Texas.

  8. Pohlsepia - Wikipedia

    en.wikipedia.org/wiki/Pohlsepia

    The Pohlsepia mazonensis fossil was found specifically in the Pit 11 region, within the Francis Creek Shale Member [7]. Like most soft tissue fossils found in Mazon Creek, it is preserved as a 2D light-on-dark discolouration of the matrix [8]. The Francis Creek Shale Member of the Carbon Formation has a diverse array of preserved plants and ...

  9. Ouachita Mountains - Wikipedia

    en.wikipedia.org/wiki/Ouachita_Mountains

    The Athens Plateau or Athens Piedmont (EPA Level IV ecoregion 36a) consists of a series of low relief ridges, none exceeding 1,000 feet (300 m). It is located south of the Ouachitas and extends to the Arkansas-Oklahoma border. The Athens Piedmont runs from Arkadelphia, Arkansas into Oklahoma through Clark, Howard, Pike, and Sevier counties in ...