Calibration of Amino Acid Racemization in Late Pleistocene Mollusks: Results from Magdalena Bay, Baja California Sur, Mexico, with Dating Applications and Paleoclimatic Implications

Seller: ConchBooks, Harxheim, GermanyConchBooks

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Amino acid enantiomeric (D/L) ratios in late Pleistocene, marine mollusks from three uranium-series dated localities (Cayucos and the San Diego Nestor Terrace in California USA and the Magdalena Terrace in Baja California Sur) provide calibration points for establishing a 120,000 yr isochron for interpolation of amino acid age estimates over a broad latitudinal range (35.degree. N to 24.degree. N latitude) of the California-Baja California continental borderland. Leucine enantiomeric ratios in specimens of the bivalve Chione cf. undatella from the Magdalena Terrace, compared with ratios predicted by a kinetic model for 120,000 yr samples with constant (modern) diagenetic temperature, indicate slight paleotemperature reductions (1-2.degree. C) at Magdalena Bay during late Pleistocene glacial episodes in the northern hemisphere. 6 pp., 3 figs, 4.

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Bibliographic details

Title
Calibration of Amino Acid Racemization in Late Pleistocene Mollusks: Results from Magdalena Bay, Baja California Sur, Mexico, with Dating Applications and Paleoclimatic Implications
Author
Wehmiller, J. F. & Emerson, W. K.
Publication year
1980

ConchBooks

Harxheim, Germany

4-star seller

AbeBooks seller since March 1, 2007

Shipping rates from Germany to U.S.A.

Item25 to 45 business days8 to 14 business days
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Store description

Founded in 1985 we are specialized in worldwide literature on Mollusca and marine invertebrates. Our publishing house has meanwhile published approximately 60 titles on that field of interest. We have stocks of most available international books on Malacology and a huge amount of antiquarian literature, even of the latter most titles are only available once.

Specialty

Weichtiere / Shells, Schnecken / Snails & Slugs, Muscheln / Bivalves, Tintenfische / Squids / Octopusses / Ammonites, Malacology, Conchology, Marine Biology

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ConchBooks

Germany