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Blais-Stevens, A; Bornhold, Brian D; Kemp, Alan E S; Dean, J M; Vaan, A A (2001): (Table 1) Summary of accelerator mass spectrometer (AMS) radiocarbon ages in ODP Sites 169-1033 and 169-1034 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.744826, Supplement to: Blais-Stevens, A et al. (2001): Overview of Late Quaterary stratigraphie in Saanich Inlet, British Columbia: results of Ocean Drilling Program Leg 169S. Marine Geology, 174(1-4), 3-26, https://doi.org/10.1016/S0025-3227(00)00139-0

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Abstract:
Continuous coring in Saanich Inlet (Ocean Drilling Program, ODP Leg 169S), British Columbia, Canada, yielded a detailed record of Late Quaternary climate, oceanography, marine productivity, and terrestrial vegetation. Two sites (1033 and 1034) were drilled to maximum depths of 105 and 118 m, recovering sediments ranging in age from 13,300 to less than 300 14C yr. Earliest sediments consist of dense, largely massive, gray glaciomarine muds with dropstones and sand and silt laminae deposited during the waning stages of glaciation. Deposition of organic-rich olive gray sediments began in the fjord about 12,000 14C yr ago, under well-oxygenated conditions as reflected by the presence of bioturbation and a diverse infaunal bivalve community. At about 10,500 14C yr, a massive, gray unit, 40-50 cm thick, was emplaced in a very short span of time. The unit is marked by a sharp lower contact, a gradational upper contact and an abundance of reworked Tertiary microfossils. It has been interpreted as resulting from massive flood events caused by the collapse of glacial dams in the Fraser Valley of mainland British Columbia. Progressively greater anoxia in bottom waters of Saanich Inlet began about 7000 14C yr ago. This is reflected in the preservation of varved sediments consisting of diatomaceous spring-summer laminae and terrigenous winter laminae. Correlation of the sediments was based on: marked lithologic changes, the presence of massive intervals (reflecting localized sediment gravity flow events), the Mazama Ash, occasional thin gray laminae (indicative of abnormal flood events in nearby watersheds), varve counts between marker horizons, and 71 accelerator mass spectrometry (AMS) radiocarbon dates.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 48.617409 * Median Longitude: -123.501406 * South-bound Latitude: 48.590550 * West-bound Longitude: -123.503330 * North-bound Latitude: 48.650000 * East-bound Longitude: -123.499910
Date/Time Start: 1996-08-19T16:30:00 * Date/Time End: 1996-08-21T04:45:00
Minimum Elevation: -228.7 m * Maximum Elevation: -201.2 m
Event(s):
169-1033B  * Latitude: 48.590630 * Longitude: -123.503330 * Date/Time: 1996-08-19T16:30:00 * Elevation: -228.7 m * Penetration: 105 m * Recovery: 106.35 m * Location: Coastal waters of SE Alaska * Campaign: Leg169S * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 12 cores; 105 m cored; 0 m drilled; 101.3 % recovery
169-1033C  * Latitude: 48.590750 * Longitude: -123.503330 * Date/Time: 1996-08-19T23:00:00 * Elevation: -226.1 m * Penetration: 72.7 m * Recovery: 75.87 m * Location: Coastal waters of SE Alaska * Campaign: Leg169S * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 72.7 m cored; 0 m drilled; 104.4 % recovery
169-1033D  * Latitude: 48.590550 * Longitude: -123.503330 * Date/Time: 1996-08-20T03:45:00 * Elevation: -226.5 m * Penetration: 69.7 m * Recovery: 73.78 m * Location: Coastal waters of SE Alaska * Campaign: Leg169S * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 8 cores; 69.7 m cored; 0 m drilled; 105.9 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEvent
2 Sample code/labelSample labelBlais-Stevens, ADSDP/ODP/IODP sample designation
3 Age, dated materialDated materialBlais-Stevens, ACenter for accelerator mass spectrometer number (CAMS#)
4 Taxon/taxaTaxaBlais-Stevens, A
5 NumberNoBlais-Stevens, A
6 Age, datedAge datedka BPBlais-Stevens, AAge, 14C AMSka BP
7 Age, dated standard deviationAge dated std dev±Blais-Stevens, AAge, 14C AMS
8 Age, minimum/youngAge minkaBlais-Stevens, AAge, 14C calibratedka BP
9 Age, maximum/oldAge maxkaBlais-Stevens, AAge, 14C calibratedka BP
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
529 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Sample label		3 
Dated material		4 
Taxa		5 
No		6 
Age dated [ka BP]		7 
Age dated std dev [±]		8 
Age min [ka]		9 
Age max [ka]
169-1033B 169-1033B-2H-7,28ShellBivalvia - Compsomyax subdiaphana306972.420.061.4071.715
169-1033B169-1033B-3H-5,144Chareoal304702.940.052.8923.316
169-1033B169-1033B-5H-1,8Chareoal304715.430.056.0596.389
169-1033B169-1033B-6H-2,15ShellBivalvia - Macoma calcarea306988.880.058.9299.226
169-1033B169-1033B-6H-2,60ShellBivalvia - Axinopsida serricata306999.030.059.0789.388
169-1033B169-1033B-6H-2,90ShellBivalvia - Axinopsida serricata307009.150.059.2469.474
169-1033B169-1033B-6H-4,11ShellBivalvia - Axinopsida serricata3070110.190.0710.30410.879
169-1033B169-1033B-6H-5,13ShellBivalvia - Macoma calcarea3070210.600.0610.95211.452
169-1033B169-1033B-6H-5,14ShellBivalvia - Macoma calcarea3070310.700.0511.00311.643
169-1033B169-1033B-6H-6,13ShellBivalvia - Macoma calcarea3070410.710.0611.00011.687
169-1033B169-1033B-6H-6,88ShellBivalvia - Macoma calcarea3070511.050.0611.66812.336
169-1033C 169-1033C-2H-2,11Wood337671.240.050.9731.286
169-1033C169-1033C-2H-6,125Wood337681.770.051.5361.819
169-1033C169-1033C-2H-7,16Shell fragment334822.650.051.7041.960
169-1033C169-1033C-3H-1,37WoodPaeifie Yew - Taxus brevifolia337692.460.052.3472.735
169-1033C169-1033C-4H-5,71Chareoal337705.900.056.5686.886
169-1033C169-1033C-5H-6,51ShellCirrepedia - Balanus nubilus334838.810.058.7669.154
169-1033C169-1033C-5H-7,56WoodPaeifie Yew - Taxus brevifolia337718.430.059.2699.491
169-1033C169-1033C-6H-1,13Shell fragment3348410.220.0610.35510.894
169-1033D 169-1033D-2H-1,28Shell fragment334851.620.050.6520.888
169-1033D169-1033D-2H-4,107Wood337721.410.051.1931.406
169-1033D169-1033D-4H-1,12ShellCirrepedia - Balanus nubilus334864.450.053.8944.224
169-1033D169-1033D-4H-4,34Wood337734.500.064.8725.433
169-1033D169-1033D-5H-5,9Wood337746.650.057.3927.547
169-1033D169-1033D-6H-2,52Wood337758.890.069.6649.987
169-1033D169-1033D-6H-4,14Shell fragment3348710.480.0510.86411.073
169-1033D169-1033D-6H-4,10Shell fragment3348810.630.0610.96711.504
169-1033D169-1033D-6H-4,13ShellBivalvia - Macoma carlottensis3348910.890.0611.38312.102
169-1033D169-1033D-7H-2,5ShellGastropoda - Cylichna alba3349013.080.0714.03814.711
169-1034B 169-1034B-2H-4,11ShellBivalvia - Mytilus edulis307171.880.080.8681.199
169-1034B169-1034B-3H-2,11Wood307061.880.051.6311.923
169-1034B169-1034B-4H-2,52Wood307072.840.052.7813.156
169-1034B169-1034B-4H-2,108Wood307082.810.062.7623.156
169-1034B169-1034B-4H-4,56Wood304724.260.054.5544.997
169-1034B169-1034B-6H-4,3Wood304735.670.056.3036.632
169-1034B169-1034B-6H-CC,0ShellBivalvia - Macoma calcarea307107.320.057.2717.471
169-1034B169-1034B-7H-4,107ShellBivalvia - Macoma calcarea307118.590.058.4698.891
169-1034B169-1034B-7H-6,129ShellBivalvia - Macoma calcarea307139.060.059.1489.419
169-1034B169-1034B-7H-CC,0ShellBivalvia - Macoma calcarea3071211.070.0711.67712.377
169-1034B169-1034B-8H-2,57ShellBivalvia - Macoma calcarea307149.790.059.91410.185
169-1034B169-1034B-8H-3,53Shell3069310.280.0610.24910.927
169-1034B169-1034B-8H-5,16ShellBivalvia - Macoma calcarea3071510.800.0711.09811.944
169-1034B169-1034B-8H-5,13Shell3069410.490.0510.87011.083
169-1034B169-1034B-8H-6,66Shell3069510.710.0511.00911.662
169-1034B169-1034B-8H-7,10Shell3069611.070.0611.70212.361
169-1034B169-1034B-9H-5,21ShellBivalvia - Nuculana fossa3071612.630.0613.55714.067
169-1034C 169-1034C-1H-4,14Wood337760.330.050.2860.507
169-1034C169-1034C-2H-3,51Wood337771.350.051.1731.344
169-1034C169-1034C-3H-6,69Shell337783.330.052.5522.777
169-1034C169-1034C-4H-5,71Fish bones342796.130.055.5775.840
169-1034C169-1034C-6H-3,110WoodWestern Red Cedar - Thuja plicata337795.790.056.4176.741
169-1034C169-1034C-6H-6,72ShellBivalvia - Axinopsida serricata336317.160.057.1527.349
169-1034C169-1034C-9H-5,60ShellSeaphopoda - Rhabdus rectius3349113.250.0514.26614.917
169-1034C169-1034C-10H-7,49ShellBivalvia - Yoldia martyria3349213.270.0614.28014.958
169-1034D 169-1034D-1H-CC,2Wood337800.390.050.3050.521
169-1034D169-1034D-2H-4,20Wood337811.030.050.7961.053
169-1034D169-1034D-2H-6,62Wood337821.440.051.2621.411
169-1034D169-1034D-6H-4,24Wood337835.770.066.4096.741
169-1034D169-1034D-7H-4,30Shell fragment334938.420.078.3028.581
169-1034D169-1034D-7H-4,136Wood337847.910.068.5048.960
169-1034D169-1034D-8H-1,44Shell fragment336309.900.069.98310.339
169-1034D169-1034D-8H-3,14ShellBivalvia - Nuculana fossa3363210.690.0510.99811.614
169-1034D169-1034D-8H-4,96Shell fragment3363310.610.0510.96511.443
169-1034E 169-1034E-5H-5,40Wood337854.270.054.5904.960
169-1034E169-1034E-6H-6,96Shell fragment334947.070.067.0097.268
169-1034E169-1034E-7H-4,12Shell fragment334958.210.068.0828.354
169-1034E169-1034E-8H-1,12ShellBivalvia - Macoma calcarea334969.450.069.4919.870
169-1034E169-1034E-9H-1,19WoodPaeifie Yew - Taxus brevifolia3378610.110.0511.08612.105
169-1034E169-1034E-9H-1,69Wood3378710.410.0612.03812.509
169-1034E169-1034E-9H-1,13ShellBivalvia - Macoma calcarea3349711.450.0612.38512.748
169-1034E169-1034E-9H-4,64ShellBivalvia - Nuculana fossa3349812.660.0513.59714.091