Analytical results of 19 amino acid analyses from Unit 3.1 of sediment core CRP-1 (Table 1)

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 (HPL...

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Bibliographic Details
Main Authors: Hart, Charles P, Webb, Peter-Noel
Format: Dataset
Language:English
Published: PANGAEA 1998
Subjects:
16 km ENE Cape Roberts
Age
amino acid analysis
dated
dated material
Cape Roberts Project
Core wireline system
CRP
CRP-1
CWS
D-Alloisoleucine/L-Isoleucine ratio
standard deviation
Depth
bottom/max
sediment/rock
top/min
High Performance Liquid Chromatography (HPLC)
off Cape Roberts
Ross Sea
Antarctica
Replicates
Sampling/drilling ice
Cape Roberts
Antarc*
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.54730
https://doi.org/10.1594/PANGAEA.54730
Description
Summary: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.

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