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- Lab number
- AECV-1111C
- Material dated
- bison bone collagen; collagène osseux de bison
- Taxa dated
- Bison sp. horncore
- Locality
- east Edmonton, North Saskatchewan River, Alberta
- Map sheet
- 83 H/11
- Submitter
- J.A. Burns
- Date submitted
- September 22, 0098
- Normalized Age
- 10730 ± 160
- Significance
- palaeobiology; paléobiologie
- Context
- gravel pit
- Associated taxa
- Mammalia: Bison sp
- Comments
- Clover Bar Pit: This is one of five gravel pits east of Edmonton that have yielded vertebrate fossils from deposits representing the Mid-Wisconsinan Interstadial (Burns and Young, 1994; Young et al., 1994). The stratigraphy is more complex than in some of the other pits, because a larger amount of preglacial gravel has been reworked during postglacial terrace development (Burns and Young, 1994: 394). The fossils occur mainly in the Saskatchewan gravels that represent the valley fill of the Beverly Valley, the preglacial ancestor of the North Saskatchewan River valley. The site was overrun by Laurentide ice during the Late Wisconsinan, after which the North Saskatchewan River incised the whole sequence of sediments, forming terraces, and resuming the occasional deposition of bones in post-glacial alluvium (e.g., AECV-1111c, -1203c).