The Ash Hollow Formation of the Ogallala Group is a geological formation found in Nebraska and South Dakota. It preserves fossils dating back to the Neogene period. It was named after Ash Hollow, Nebraska and can be seen in Ash Hollow State Historical Park.[1] Ashfall Fossil Beds State Historical Park is within this formation.[2]
^Robert Diffendal Jr.; Roger K. Pabian; J. R. Thomasson (1996). "Geologic History of Ash Hollow State Historical Park, Nebraska". University of Nebraska - Lincoln.
^Smith, Jon J.; Turner, Elijah; Möller, Andreas; Joeckel, R. M.; Otto, Rick E. (2018-11-08). "First U-Pb zircon ages for late Miocene Ashfall Konservat-Lagerstätte and Grove Lake ashes from eastern Great Plains, USA". PLOS ONE. 13 (11): e0207103. Bibcode:2018PLoSO..1307103S. doi:10.1371/journal.pone.0207103. ISSN 1932-6203. PMC 6224108. PMID 30408086.
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The AshHollowFormation of the Ogallala Group is a geological formation found in Nebraska and South Dakota. It preserves fossils dating back to the Neogene...
Nebraska, United States. The type specimen was discovered in the AshHollowFormation at AshHollow State Historical Park. A. mefferdi is a member of the subfamily...
a Lithospermum species have been described from the Late Miocene AshHollowFormation, Ogallala Group, five km south of Martin in Bennett County, South...
family Antilocapridae. The remains of this animal appeared in the AshHollowFormation in Nebraska, United States, and they last appeared 13.6 million years...
Clarendonian in North America is reported from the Penny Creek Local Fauna (AshHollowFormation; Nebraska, United States) by Jacisin & Lawing (2024), who interpret...
Thomas (1980-01-01). "The Fossil Insectivora of Lemoyne Quarry (AshHollowFormation, Hemphillian), Keith County, Nebraska". Transactions of the Nebraska...
The Long Pine Formation is a geologic formation in Nebraska. It preserves fossils. Earth sciences portal Paleontology portal List of fossiliferous stratigraphic...
"Geologic Formations". Niobrara National Scenic River. National Park Service. Retrieved 2024-02-24. Valentine Formation -- Beneath the AshHollow is the...
which the same formation is exposed. Such sites may have separate entries if they are considered to be more notable than the formation as a whole. In...
known chameleon fossils from India are described from the Miocene Nagri Formation by Sankhyan & Čerňanský (2016). Lee et al. (2016) examine the limb anatomy...
elevated the Ogallala to group status with three members Kimball (youngest), AshHollow, and Valentine (oldest). Kansas geologists attempted to carry these classifications...
areas: Ash Cave, Cedar Falls, Old Man's Cave, Rockhouse, and Cantwell Cliffs) Hocking State Forest Conkle's Hollow State Nature Preserve Sheick Hollow State...
or agate. A geode is a simple term for a rock with a hollow in it, often with crystal formation/growth. A thunderegg on the other hand is a specific geological...
Dam Member of the AshHollowFormation. The Machaerodus quarry is generally thought to be Clarendonian in age, with the overlying ash layer indicating...
Iron Canyon Site, Dove Spring Formation, Kern County, California ~11.8—11.9 Ma. Bluejay Quarry Site, AshHollowFormation, Antelope County, Nebraska ~11...
protein preservation in the specimen's left femur, is published by Ullman, Ash, and Scannella (2022). A pathological ulna of a specimen of Amurosaurus riabinini...
of western Austria (Anthozoa; Scleractinia; Vorarlberg; Schrattenkalk Formation [upper Barremian-lower Aptian])". Proceedings of the Biological Society...
The park contains seven separate hiking areas: Ash Cave, Cantwell Cliffs, Cedar Falls, Conkle's Hollow (nature preserve), Old Man's Cave, Rock House and...
Santa Rosa Island Formation USA ( California) A Strigidae. Nettion greeni Sp. nov. jr synonym Brodkorb Early Pliocene AshHollowFormation USA ( Nebraska)...
Cannings, R. A. (2022). "The first Odonata from the early Eocene Allenby Formation of the Okanagan Highlands, British Columbia, Canada (Anisoptera, Aeshnidae...
2008, Gerrothorax pulcherrimus from the Upper Triassic Fleming Fjord Formation of East Greenland and a reassessment of head lifting in temnospondyl feeding:...
Loxodonta adaurora is described from the Lonyumun Member of the Koobi Fora Formation near Ileret (Kenya) by Sanders et al. (2021), who interpret the anatomy...
Arthur R. Sweet (2013). "First mammals from the Paleocene Porcupine Hills Formation of southwestern Alberta, Canada". Canadian Journal of Earth Sciences....
Among other findings, additional sauropod material from the Cloverly Formation of Wyoming was referred to Sauroposeidon, Paluxysaurus was synonymized...
caldera (/kɔːlˈdɛrə, kæl-/ kawl-DERR-ə, kal-) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption...
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