(Table 1, page 765) D/L Ratios of Amino Acids in Bone Nuclei of Manganese Nodules from the North Pacific Ocean, supplement to: Kvenvolden, Keith A; Blunt, David J (1979): Amino Acid Dating of Bone Nuclei in Manganese Nodules from the North Pacific Ocean. In: Bischoff J.L., Piper D.Z. (eds) Marine Geology and Oceanography of the Pacific Manganese Nodule Province, Springer, Boston, MS, ISBN 978-1-4684-3518-4, Marine Sciences, 9, 763-774


The extent of racemization of isoleucine and aspartic acid has been measured on cetacean ear bones from the center of 8 manganese nodules in order to estimate the ages of the nuclei of the nodules and the rates of accretion of ferromanganese oxide layers. Age estimates obtained range from about 0.4 to 6 m.y., and rates of growth from <1 to about 10 mm/m.y. These rates are consistent with those obtained by other nucleus dating methods (K-Ar and fission track) and by layer dating methods (230Th, 231Pd, 10Be and 26Al).

The analysed manganese accumulation was seperated by sonication in 1N HCl and dissolved in 10N HCl. The dried residue was then hydrolysed in 6N HCl for 20 hours at 110°C. Amino acids were finally eluded with 2N NH4OH.

DOI https://doi.org/10.1594/PANGAEA.888699
Related Identifier https://doi.org/10.1007/978-1-4684-3518-4_24
Related Identifier https://doi.org/10.7289/V52Z13FT
Related Identifier https://doi.org/10.7289/V53X84KN
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.888699
Creator Kvenvolden, Keith A; Blunt, David J
Publisher PANGAEA - Data Publisher for Earth & Environmental Science
Publication Year 1979
Rights Creative Commons Attribution 3.0 Unported
OpenAccess true
Language English
Resource Type Supplementary Dataset
Format text/tab-separated-values
Size 79 data points
Discipline Earth System Research
Spatial Coverage (-169.050W, 7.830S, -148.325E, 28.397N); Pacific Ocean
Temporal Coverage Begin 1972-05-01T00:00:00Z
Temporal Coverage End 1972-06-01T00:00:00Z