Bullfrog tracksite: Late Oxfordian, Utah
collected by J. Robinson 1992
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Sauropoda indet.
(Marsh 1878)
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Utah | County: | Kane |
| Coordinates: | 37.5° North, 110.7° West (view map) | ||||
| Paleocoordinates: | 32.8° North, 56.1° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Late Oxfordian | ||
| Age range of interval: | 157.9 - 154.8 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | fine siltstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: sand along with "a fine grained silty-shaley fill" | |
| Environment: | "channel" |
| Geology comments: "the base of a fluvial channel incised into lacustrine or playa lake siltstone/mudstone interbeds" | |
Taphonomy
| Modes of preservation: | cast,trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),observed (not collected) | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | J. Robinson | Collection dates: | 1992 |
Metadata
| Also known as: | GCNRA | ||
| Database number: | 222904 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2021-10-28 14:07:41 | Last modified: | 2023-09-08 14:12:25 |
| Access level: | the public | Released: | 2021-10-28 14:07:41 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 78429. | M. G. Lockley, A. P. Hunt, C. A. Meyer, E. C. Rainforth, and R. J. Schultz. 1998. A survey of fossil footprint sites at Glen Canyon National Recreation Area (western USA): a case study in documentation of trace fossil resources at a national preserve. Ichnos 5(3):177-211 [M. Carrano/M. Carrano] |
Secondary references:
| 84543 | J. S. Tweet and V. L. Santucci. 2018. An inventory of non-avian dinosaurs from National Park Service areas. In S. G. Lucas & R. M. Sullivan (ed.), Fossil Record 6. New Mexico Museum of Natural History and Science Bulletin 79:703-730 [M. Carrano/M. Carrano] |