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- Lab number
- RIDDL-732
- Material dated
- mammoth? bone collagen; collagène osseux de mammouth
- Taxa dated
- Mammuthus? sp. femur (MlVl-2:147)
- Locality
- right bank of Old Crow River, Old Crow Basin, Porcupine drainage, northern Yukon Territory
- Map sheet
- 116 O/13
- Submitter
- R.E. Morlan
- Date submitted
- May 1, 0097
- Normalized Age
- 42100
- δ13C (per mil)
- -20.0
- Significance
- geochronology, palaeobiology; géochronologie, paléobiologie
- Context
- alluvium, middle of Unit 2a, 10 m below Disconformity A
- Associated taxa
- Mammalia: Ochotona sp, Lepus arcticus, Spermophilus parryii, Castor canadensis, Lemmus sibiricus, Ondatra zibethicus, Dicrostonyx sp, Canis lupus cf., Vulpes or Alopex, Ursus americanus cf., Mammuthus sp, Equus sp, Rangifer tarandus; Aves, Anatidae, cf. Lagopus sp; Pisces, Stenodus leucichthys, Catostomus catostomus, Lota lota
- Additional information
- AMS date. Collagen extraction method 3, >30kD; this date should be considered a minimum age.
- Comments
- MlVl-2, Old Crow River Locality CRH-15: This is one of the few Pleistocene localities in eastern Beringia that has produced multiple vertebrate assemblages in stratigraphic sequence. It has also produced possible evidence of human activity on bones from an erosional contact known as Disconformity A. Of nine radiocarbon dates from CRH-15, the six dates on bone collagen are included in this database. Three of the bones are considered to be possible artifacts because of their fresh-state fractures and well preserved impact scars.