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Ashfall Fossil Beds State Historical Park

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Journal Article
Journal: Geosphere
Published: 20 July 2023
Geosphere (2023) 19 (5): 1476–1507.
... part of the Ibex Hollow Tuff at Ashfall Fossil Beds State Historical Park, Nebraska, showing one of the impacts of this eruption on the regional fauna ( Fig. 3 ). Many other animal species have been found buried in this ash bed. Figure 3. Photograph of Konservat-Lagerstätte (exceptionally well...
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Photograph of Konservat-Lagerstätte (exceptionally well-preserved and abund...
Published: 20 July 2023
Figure 3. Photograph of Konservat-Lagerstätte (exceptionally well-preserved and abundant fossil assemblage) of juvenile barrel-chested rhinoceroses ( Teleoceras major ) encased in the basal part of the Ibex Hollow Tuff at Ashfall Fossil Beds State Historical Park, Nebraska. Skull
Journal Article
Published: 01 January 2003
The Journal of Geology (2003) 111 (1): 115–124.
... ; Sparks et al. 1997 ). Distal fallout is rarely mapped, but when this is done, secondary maxima in mass accumulations are found (Sarna-Wocjicki et al. 1981 ; McGimsey et al. 2001 ). A well-known occurrence of distal ashfall is the 2-m-thick deposit at Ashfall Fossil Beds State Historical Park in NE...
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Series: GSA Field Guide
Published: 01 January 2014
DOI: 10.1130/2014.0036(01)
EISBN: 9780813756363
... with a diverse late Miocene fauna makes Ashfall extremely important in terms of North American biostratigraphy. Ashfall Fossil Beds State Historical Park (42° 25.22’ N, 98° 9.35’ W; WGS84 datum) is located 6.4 km east and 10.5 km north of the town of Orchard, just south of the line between Antelope and Knox...
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U.S. map showing the location of the 45 National Natural Landmarks (NNL) an...
Published: 01 October 2017
Petrified Forest NNL, WA; 2. John Day Fossil Beds NNL, OR; 3. Hagerman Fauna Sites NNL, ID; 4.Ichthyosaur Site NNL, NV; 5. Sharktooth Hill NNL, CA; 6. Rainbow Basin NNL, CA; 7. Rancho La Brea NNL, CA; 8.Anza-Borrego Desert State Park NNL, CA; 9. Unga Island NNL, AK; 10. Hell Creek Fossil Area NNL, MT; 11
Journal Article
Journal: Paleobiology
Published: 21 November 2017
Paleobiology (2018) 44 (1): 131–154.
... Bone Bed, FL TMBB F:AM Hemphillian (Hh1) 9.0–-7.5 Ma Localized attritional mortality 31 48 Teleoceras major Ashfall Fossil Bed, NE TASH UNSM Clarendonian (CL2) 12.1–-10.1 Ma Catastrophic ashfall 23 32 Teleoceras fossiger Long Island Rhino Quarry, KS TLIRQ NMNH...
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Journal Article
Published: 01 October 2017
Earth Sciences History (2017) 36 (2): 197–244.
... , 2005b , 2006 , 2008a , 2008b , 2009a , 2009b , 2010a , 2010b , 2010c , 2011a , 2011b , 2011c , 2011d . Park Name NPS Abbrv. State Date Established Volcanic Significance Agate Fossil Beds National Monument AGFO NE 14 June 1997 These fossil beds contain numerous mammal...
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Journal Article
Published: 01 March 2011
Journal of the Geological Society (2011) 168 (2): 585–605.
...) perceptively wrote that ‘the most reasonable inferences are, that the [fossil] forest was inundated when . . . an immense stratum of sand was deposited upon' it. Similarly, referring to groves of Calamites ( Brongniart 1821 ) preserved in sandstone beds in the St. Etienne basin of France, Lyell (1865 , p...
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Journal Article
Published: 01 October 2017
Earth Sciences History (2017) 36 (2): 245–285.
... Petrified Forest NNL, WA; 2. John Day Fossil Beds NNL, OR; 3. Hagerman Fauna Sites NNL, ID; 4.Ichthyosaur Site NNL, NV; 5. Sharktooth Hill NNL, CA; 6. Rainbow Basin NNL, CA; 7. Rancho La Brea NNL, CA; 8.Anza-Borrego Desert State Park NNL, CA; 9. Unga Island NNL, AK; 10. Hell Creek Fossil Area NNL, MT; 11...
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Journal Article
Journal: AAPG Bulletin
Published: 01 November 1990
AAPG Bulletin (1990) 74 (11): 1736–1747.
... estimates of the original Deicke airfall ash volume is 1122 km 3 . Both beds probably originated from source vents southeast of the present Tennessee-Georgia state line. The relationship of these ashfalls to extinction of marine biota has not been well studied, although Sloan (1988a , 1988b ) reported...
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Journal Article
Journal: PALAIOS
Published: 01 November 2014
PALAIOS (2014) 29 (11): 594–611.
... Bluffs, North Slope, Alaska : United States, Geological Survey Professional Paper 1748 , 52 p. Frederiksen N.O. 1991 , Pollen zonation and correlation of Maastrichtian marine beds and associated strata, Ocean Point dinosaur...
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Journal Article
Published: 20 July 2017
Journal of Paleontology (2017) 91 (5): 1060–1068.
...; JODA : John Day Fossil Beds National Monument, United States National Park Service, Kimberly, OR, USA; UCMP : University of California Museum of Paleontology, Berkeley, CA, USA; UOMNH F- : University of Oregon Museum of Natural and Cultural History, Condon Fossil Collection, Eugene, OR, USA; UWBM...
Journal Article
Published: 01 July 2012
Journal of the Geological Society (2012) 169 (4): 395–403.
... report herein a new assemblage of abundant small frondose and filamentous fossils from Pigeon Cove, all exhibiting fine preservation of morphological features on a scale of 1 mm or less. The bed on which they occur is well known for its large ivesheadiomorph impressions ( sensu Liu et al . 2011...
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Journal Article
Journal: PALAIOS
Published: 01 January 2010
PALAIOS (2010) 25 (5): 299–317.
... distal end, part of the splay enters a shallow lake that is two to three meters deep and floored with a clay-rich bed formed from an earlier volcanic ashfall ( Fig. 4 ). The influx of the splay roils up the lake floor and water column increasing the latter's viscosity. As the water column stabilizes...
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Series: GSA Special Papers
Published: 27 November 2018
DOI: 10.1130/2018.2535(21)
EISBN: 9780813795355
... were a valuable resource to the scientific community. J.C. Merriam was one of the early proponents of protecting the fossil beds as public land, and by the 1930s, three state parks had been created: Thomas Condon–John Day Fossil Beds State Park, Clarno State Park, and Painted Hills State Park...
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Journal Article
Published: 01 July 2008
Journal of Paleontology (2008) 82 (4): 763–777.
..., and is typically preserved as a comb-shaped ridge on the top of mudstone beds beneath volcanic ashfall tuffs. Morphologic and taphonomic features suggest that the living organism consisted of two parallel series of soft rangeomorph fronds, alternately branching in an opposite arrangement from an elongate, tubular...
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Journal Article
Journal: Paleobiology
Published: 20 June 2019
Paleobiology (2019) 45 (3): 421–439.
.... Studied early Eocene floras (BH, WRI, WRE) plotted on (A) a base map of the basins and uplifts of Wyoming, after Heller and Lui ( 2016 ), and (B) a satellite image. Nearby towns (Dubois, Shoshoni, and Worland) are shown to provide geographic context for each fossil flora within the state of Wyoming...
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Journal Article
Published: 15 August 2017
Journal of Paleontology (2017) 91 (6): 1244–1257.
..., 1956 , a species described from the Deer Park locality (Hibbard, 1956 ), but recognized by Goodwin ( 1995b ) as intrusive Cynomys ludovicianus (Ord, 1815 ). The Nash 72 prairie dog fossils were subsequently assigned to Cynomys hibbardi Eshelman, 1975 (Goodwin, 1995b ), a species described from...
Journal Article
Journal: GSA Bulletin
Published: 28 July 2020
GSA Bulletin (2021) 133 (3-4): 580–590.
...-ray emission levels in the subsurface ( Kolata et al., 1998 ) have facilitated correlations across the central and eastern United States ( Fig. 1C ). However, correlations with the Millbrig K-bentonite are complicated due to its divergence into multiple beds near the inferred volcanic center...
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Series: GSA Field Guide
Published: 01 January 2004
DOI: 10.1130/0-8137-0005-1.151
EISBN: 9780813756059
... along the horizon. Original drawing by Peter Gaede. From Henry et al. 2004 , used by permission of the Gold Belt Tour Scenic and Historic Byway Association. Stop 3: Evergreen Station Roadcut Figure 11. Outcrop of lahar at Evergreen Station (Stop 3). Stop 4: Florissant Fossil Beds...
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