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Professional Paper 1643: TABLE 2
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Table 2. Radiocarbon data for samples from northern Whidbey and Camano Islands.
[Laboratory data are from Beta Analytic Inc.]
Sample Number
Radiocarbon laboratory number
Field locality
(fig 27)
Radiocarbon age
(14C yr B.P.)
13C/12C (0/00)
Calibrated age (calendar year,
95.4% confidence)
Material dated
Comment
SJ-98-17
120288
c
>48,480
-25.6
NA
Peat
Whidbey Formation north of Devils Mountain fault
JS-98-14 120287 h 1,750±50 -25.8 A.D.210-420 Wood in peat At Rocky Point between Strawberry Point and Utsalady Poin faults.
SJ-99-2 134854 m >44,000 -27.9 NA Peat Whidbey Formation in Strawberry Point fault zone at Strawberry Point.
SJ-99-1A 132512 r 21,100±150 -24.9 NA Organic laminae Nonglacial Olympia beds at Utsalady Point
SJ-99-1B 141690 r 15,190 ± 220 -23.6 17,435-18,985 B.P. Organic laminae Nonglacial Olympia beds at Utsalady Point.
SJ-00-1 144555 c >40,130 -28.2 NA Peat Whidbey Formation north of Devils Mountain fault.
SJ-00-7 144556 a >43,510 -26.9 NA Wood in peat Whidbey Formation south of Devils Mountain fault.
SJ-00-11 144557 i >44,320 -25.6 NA Peat Whidbey Formation south of Strawberry Point fault zone at Strawberry Point.
SJ-00-12 144558 j 29,270 ± 340 -27.6 NA Peat Olympia beds south of Strawberry Point fault zone at Strawberry Point.
SJ-00-13 144559 k 25,770 ± 310 -28.4 NA Peat Olympia beds south of Strawberry Point fault zone at Strawberry Point.
SJ-00-14 144554 n 44,740 ± 910 -28.9 NA Detrital wood Whidbey Formation in Strawberry Point fault zone at Strawberry Point; young age suggests probable contamination.
SJ-00-48 147710 i 37,190 ± 550 -25.8 NA Detrital wood Basal Olympia beds south of Strawberry Point fault zone at Strawberry Point.
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