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Lavelle, Mark; Barker, Peter F; Osterman, Lisa Ellen (2001): (Table 1) Strontium isotope data for marine barnacles, ODP Hole 178-1103A. PANGAEA,, Supplement to: Lavelle, M et al. (2001): Data report: Strontium isotope dating of barnacle fragments: Antarctic Peninsula Site 1103. In: Barker, PF; Camerlenghi, A; Acton, GD; Ramsay, ATS (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 178, 1-8,

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Strontium isotope ratios from multiple plates of two barnacle fragments from Site 1103 (Ocean Drilling Program Leg 178) provide maximum age estimates for the oldest glacial sedimentary package drilled. Three moderately preserved barnacle fragments from 262.63 meters below seafloor (mbsf) yielded a mean best-fit age of 7.4 Ma. A single, well-preserved fragment from the same horizon yielded a best-fit age of 12.2 Ma. Two moderately preserved fragments from 262.98 mbsf yielded a mean best-fit age of 7.8 Ma. The calculated mean strontium ages of 7.8 and 7.4 Ma agree well with the diatom estimates of 8.68 to 5.89 Ma for the underlying sediments.
Latitude: -63.999500 * Longitude: -65.465310
Date/Time Start: 1998-03-22T20:00:00 * Date/Time End: 1998-03-22T20:00:00
Minimum DEPTH, sediment/rock: 262.63 m * Maximum DEPTH, sediment/rock: 262.98 m
178-1103A * Latitude: -63.999500 * Longitude: -65.465310 * Date/Time: 1998-03-22T20:00:00 * Elevation: -493.5 m * Penetration: 362.7 m * Recovery: 44.54 m * Location: Drake Passage * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 38 cores; 362.7 m cored; 0 m drilled; 12.3 % recovery
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmGeocode
2Sample code/labelSample labelLavelle, MarkDSDP/ODP/IODP sample designation
3Sample IDSample IDLavelle, MarkSample reference numbers see Data details (link to Plate 2 in Reference)
4Sample typeSamp typeLavelle, Mark
5PreservationPreservLavelle, Mark
6Strontium-87/Strontium-86 ratio87Sr/86SrLavelle, MarkAge, strontium isotope, McArthur (1994)
7Strontium-87/Strontium-86 ratio, error87Sr/86Sr e±Lavelle, MarkAge, strontium isotope, McArthur (1994)Uncertainty = 2 x standard error (SE)
8Age, datedAge datedkaLavelle, MarkAge, strontium isotope, LOWESS fit Howarth & McArthur (1997)
9Age, dated, range, maximumAge dated maxkaLavelle, MarkCalculated, see reference(s)
10Age, dated, range, minimumAge dated minkaLavelle, MarkCalculated, see reference(s)
54 data points

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