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  • American Association for the Advancement of Science (AAAS)  (1)
  • Mineralogical Society of America  (1)
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  • 1
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    Unknown
    Comment on "U-Th dating of carbonate crusts reveals Neandertal origin of Iberian cave art" (2018)
    American Association for the Advancement of Science (AAAS)
    In: Science
    Details
    Publication Date: 2018-09-21
    Description: Hoffmann et al . (Reports, 23 February 2018, p. 912) report the discovery of parietal art older than 64,800 years and attributed to Neanderthals, at least 25 millennia before the oldest parietal art ever found. Instead, critical evaluation of their geochronological data seems to provide stronger support for an age of 47,000 years, which is much more consistent with the archaeological background in hand.
    Keywords: Anthropology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Geosciences , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    The Role of LA-ICP-MS in Palaeoclimate Research (2016)
    Mineralogical Society of America
    In: Elements
    Details
    Publication Date: 2016-10-11
    Description: Past environmental parameters such as temperature, pH and CO 2 can be reconstructed from chemical ‘proxies’ (elemental and isotopic compositions) stored in various ‘archives’ such as corals, foraminifera and bivalves. Versatile, rapid, simple and comparatively inexpensive microanalysis via laser ablation inductively coupled plasma mass spectrometry (LA–ICP–MS) provides precise and accurate proxy data and chronologies at micrometer resolution. Moreover, LA–ICP–MS can extract data at a high-temporal resolution from continuously growing samples and even works on partially altered samples. The latter enhances our understanding of ‘deep-time’ palaeoclimate events. Using case studies of various carbonate-hosted archives (coralline algae, giant clams) to illustrate multi-proxy mapping (temperature, pH) and chronology, we showcase current methodological practice and achievements. We conclude with an outlook on likely future LA–ICP–MS developments relevant to palaeoclimatology.
    Print ISSN: 1811-5209
    Electronic ISSN: 1811-5217
    Topics: Geosciences
    Published by Mineralogical Society of America
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