1.75 miles upstream from Gething's mine, Peace River Canyon: Albian, Canada
collected by McLearn & Sternberg 1920-1930
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Irenesauripus occidentalis n. sp.
Sternberg 1932
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1 individual | |||||||||
| trackway; 4 steps; CMN 8550 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | British Columbia |
| Coordinates: | 56.0° North, 122.2° West (view map) | ||
| Paleocoordinates: | 57.7° North, 70.0° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Stratigraphy
| Geological group: | Bullhead Mountain | Formation: | Gething | ||
| Local section: | Peace River | Local bed: | 262 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 262 feet above Grant seam; correlated with "lower Blairmore of about middle Lower Cretaceous age" | |||||
Lithology and environment
| Primary lithology: | current ripples,very fine sandstone |
| Secondary lithology: | coal |
| Includes fossils? | Y |
| Lithology description: coarse-grained sandstones and coal-bearing beds of the formation in this region, but tracks are in a "very fine-grained, thin-bedded, ripple-marked sandstone matrix" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Degree of concentration: | -single event |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | medium |
| Associated major elements: | all |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | peel or thin section,observed (not collected) | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | GSC,TMP | ||
| Collectors: | McLearn & Sternberg | Collection dates: | 1920-1930 |
| Collection method comments: More than 1700 footprint, most preserved in 100 trackways. More than 200 molds collected. | |||
Metadata
| Database number: | 64387 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2006-09-07 06:47:14 | Last modified: | 2021-02-23 20:19:45 |
| Access level: | the public | Released: | 2006-09-07 06:47:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18574. | ETE | C. M. Sternberg. 1932. Dinosaur tracks from Peace River, British Columbia. National Museum of Canada Bulletin 68:59-85 [M. Carrano/M. Carrano] |
Secondary references:
| 24189 | ETE | C. R. Harington, H. Foster, R. Holmes and P. J. Currie. 2005. Photographic catalogue of trackways in the Canadian Museum of Nature / Catalogue photographique de pistes au Musée canadien de la nature. Syllogeus 74:1-151 [M. Carrano/M. Carrano] |
| 75723 | F. H. McLearn. 1923. Peace River Canyon coal area, B.C. Geological Survey of Canada, Summary Report 1922(Part B):1-46 [M. Carrano/M. Carrano] | |
| 62308 | C. M. Sternberg. 1933. Prehistoric footprints in Peace River. Canadian Geographical Journal 6(2):92-104 [M. Carrano/M. Carrano] |