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- Lab number
- QU-781
- Field number
- NYRP-78-25
- Material dated
- bison bone collagen; collagène osseux de bison
- Taxa dated
- Bison sp. humerus (Big Bluff-76-29, id. by B.F. Beebe)
- Locality
- south bank of Porcupine River, 297 m asl, about 19 km downstream from Old Crow, Yukon Territory
- Map sheet
- 116 O/05
- Submitter
- B.F. Beebe
- Date submitted
- June 16, 0097
- Measured Age
- 26640 ± 1400
- Normalized Age
- 26720 ± 1400
- δ13C (per mil)
- -20.0
- Significance
- palaeobiology; paléobiologie
- Context
- river bank at base of high bluff
- Associated taxa
- Mammalia: Bison sp
- Comments
- MiVl-1, Ch'ijee's Bluff: This locality is known locally as 12-mile bluff. It is Harington's Porcupine River Locality CRH-100 and Hughes' HH62-228. Two vertebrate specimens found on the river bank at the base of this section have been dated. One of them is a caribou antler wedge (Bonnichsen, 1979: Pl. VIII-19, #109-1) that is dated by RIDDL-141. A bulk sample of silt yielded freshwater shells dated by GSC-952, associated with brown lemming and Arctic grayling fossils and with plant macrofossils indicative of a tundra environment.