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Lab number
I-7786
Field number
CMC- 717
Material dated
bone collagen; collagène osseux
Locality
eastern side of confluence of Rat Indian Creek and Porcupine River, 297 m asl, northern Yukon Territory
Map sheet
116 O/09
Submitter
J. Cinq-Mars
Date submitted
April 27, 0097
Measured Age
550 ± 80
Normalized Age
630 ± 80
δ13C (per mil)
-20.0
Significance
Klo-kut
Stratigraphic component
Level 5 upper
Context
trench A1, unit N1/W12, 25 cm depth, Level 5
Comments
MjVg-1, Rat Indian: This multi-component site contains one historic level and six prehistoric levels, numbered 2, 3, 5, 6, 6A, and 6B. Only Levels 5 and 6/6A produced samples large enough for detailed analysis. Two archaeological phases are proposed: the Old Chief phase, ca. 900 BC - AD 700; and the Klo-kut phase, ca. AD 700 - 1850. Rat Indian Level 6/6A is assigned to the Old Chief phase and Level 5 to the Klo-kut phase. Most of the 18 radiocarbon dates on this site are internally consistent and complement the stratigraphic sequence. However, S-1830, from Level 2, is out of sequence and might have been contaminated through the use of ancient driftwood or by the disturbance of its hearth context by a 1968 test pit. Three dates on Level 3 appear earlier than four dates on the upper part of Level 5, but all of them are shown to be essentially contemporaneous, reflecting the close stratigraphic relationship and small temporal separation between these levels.

References