Split Rock Waterfall tracksite: Late Kimmeridgian - Tithonian, Colorado
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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3 specimens | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Mesa |
| Coordinates: | 39.1° North, 109.0° West (view map) | ||||
| Paleocoordinates: | 35.4° North, 55.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Kimmeridgian - Tithonian | 10 m.y. bin: | Jurassic 5 - Jurassic 6 |
| Key time interval: | Late Kimmeridgian - Tithonian | ||
| Age range of interval: | 152.2 - 145 m.y. ago |
Stratigraphy
| Formation: | Morrison | Member: | Brushy Basin | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: upper part of member | |||||
Lithology and environment
| Primary lithology: | gray sandy siltstone |
| Secondary lithology: | coarse sandstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "a gray slightly sandy silt between two coarse-grained channel sand units within a thick sequence of red and green mudstone." | |
| Environment: | "channel" |
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 |
Metadata
| Also known as: | Rabbit Valley | ||
| Database number: | 192783 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano | Research group: | vertebrate |
| Created: | 2018-04-19 13:49:46 | Last modified: | 2018-04-19 13:49:46 |
| Access level: | the public | Released: | 2018-04-19 13:49:46 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 65404. | J. R. Foster and M. G. Lockley. 2006. The vertebrate ichnological record of the Morrison Formation (Upper Jurassic, North America). In J. R. Foster, S. G. Lucas (eds.), Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:203-216 [M. Carrano/M. Carrano] |