Ntumbe area tracksite 5, Chewore: Middle Jurassic - Late/Upper Jurassic, Zimbabwe
collected by Ahmed & Mukandi 2001
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Eubrontes sp.
Hitchcock 1845
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45 specimens | ||||||
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= Theropoda indet.
Marsh 1881
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Lingham-Soliar et al. 2003 | ||||||
| see common names | |||||||
Geography
| Country: | Zimbabwe | State/province: | Mashonaland West | County: | Hurungwe |
| Coordinates: | 16.2° South, 30.0° East (view map) | ||||
| Paleocoordinates: | 30.4° South, 4.2° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic |
| Key time interval: | Middle Jurassic - Late/Upper Jurassic |
| Age range of interval: | 174.70000 - 145.00000 m.y. ago |
Stratigraphy
| Formation: | Dande Sandstone | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: three closely spaced beds | |||||
Lithology and environment
| Primary lithology: | current ripples,wave ripples,micaceous argillaceous sandstone |
| Includes fossils? | Y |
| Lithology description: "medium-grained micaceous sandstone beds...The surface of bed III is covered by linguloid ripples while bed IV shows in places small linear crested ripples." | |
| Environment: | dry floodplain |
| Geology comments: "The dinosaur footprints were preserved in an overbank adjacent to the river channel in which sediment accumulated during flooding." | |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils |
| Spatial orientation: | preferred |
| Preservation of anatomical detail: | medium |
| Abundance in sediment: | common |
| Associated major elements: | many |
| Disassociated major elements: | many |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),observed (not collected) | ||
| Rock censused: | 6000 cm2 (area) | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | Ahmed & Mukandi | Collection dates: | 2001 |
Metadata
| Also known as: | Chiwore, Site 3, 88-Footprint Site | ||
| Database number: | 39655 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2004-06-02 07:43:47 | Last modified: | 2023-08-07 14:08:00 |
| Access level: | the public | Released: | 2004-06-02 07:43:47 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 33394. | ETE | A. Ait-Kaci Ahmed and M. A. Mukandi. 2001. A survey of the new dinosaur footprint sites in the vicinity of the Ntmbe River, Chewore Safari Area. Zimbabwe Geological Survey, Harare 1-5 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 85588 | A. Ait-Kaci Ahmed. 2015. The Ntumbe River Dinosaur Footprint Sites (Lower Zambezi Valley, Chewore South). Geological Society of Zimbabwe Field Excursion Guidebook 1-14 [M. Carrano/M. Carrano/M. Carrano] | |
| 10740 | ETE | T. Lingham-Soliar, T. Broderick, and A. A. K. Ahmed. 2003. Closely associated theropod trackways from the Jurassic of Zimbabwe. Naturwissenschaften 90:572-576 [M. Carrano/M. Carrano/M. Carrano] |