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Hart, Charles P; Webb, Peter-Noel (1998): Analytical results of 19 amino acid analyses from Unit 3.1 of sediment core CRP-1 (Table 1). PANGAEA, https://doi.org/10.1594/PANGAEA.54730, Supplement to: Hart, CP; Webb, P-N (1998): Amino acid based geochronology of unit 3.1 (Quaternary), CRP-1, Victoria Land Basin, Antarctica. Terra Antartica, 5(3), 697-701, hdl:10013/epic.28330.d001

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Abstract:
Amino acid-based geochronological analyses were carried out on fossil mollusc shell and foraminifera from Unit 3.1, Cape Roberts Project core CRP-1. Ratios of D-alloIsoleucine to L-Isoleucine (D/L) were measured from 19 fossil samples using cation exchange High Performance Liquid Chromatography (HPLC) methods. Preliminary interpretation of these results suggest that Unit 3.1 contains carbonate fossils having multiple ages. The interpreted ages have a bimodal distribution between ~220 Ka (Quaternary) and ~2.4 Ma (Pliocene). However, these results lack a comprehensive regional and taxonomic context for amino acid studies in Antarctica and therefore should be regarded as preliminary age estimates of fossil shell ages.
Project(s):
Coverage:
Latitude: -77.007580 * Longitude: 163.755080
Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00
Minimum DEPTH, sediment/rock: 31.91 m * Maximum DEPTH, sediment/rock: 33.52 m
Event(s):
CRP-1 (16 km ENE Cape Roberts) * Latitude: -77.007580 * Longitude: 163.755080 * Date/Time Start: 1997-10-17T01:30:00 * Date/Time End: 1997-10-24T02:00:00 * Elevation: -153.5 m * Penetration: 132.06 m * Recovery: 113.32 m * Location: off Cape Roberts, Ross Sea, Antarctica * Campaign: CRP-1 * Basis: Sampling/drilling ice * Device: Core wireline system (CWS) * Comment: sea ice thickness: 1.60 m, recovery 86 %. Age and lithology of oldest strata: 22-24 Ma; mudstone with scattered pebbles.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DEPTH, sediment/rockDepthmGeocode
2Depth, top/minDepth topm
3Depth, bottom/maxDepth botm
4D-Alloisoleucine/L-Isoleucine ratioD/LHart, Charles PHigh Performance Liquid Chromatography (HPLC)
5D-Alloisoleucine/L-Isoleucine ratio, standard deviationD/L std dev±Hart, Charles PHigh Performance Liquid Chromatography (HPLC)
6ReplicatesRepl#Hart, Charles P
7Age, datedAge datedkaHart, Charles PAge, amino acid analysis
8Age, dated materialDated materialHart, Charles PAge, amino acid analysis
Size:
127 data points

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