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A first look at oxygen isotope records from modern and Holocene-aged gastropod (Stenomelania) shells from Lake Kutubu, Papua New Guinea

Long, Kelsie; Schneider, Larissa; Williams, Ian; Fallon, Stewart; Stuart-Williams, Hilary; Haberle, Simon


The oxygen isotopic composition of Stenomelania gastropod shells was investigated to reconstruct Holocene palaeoclimate change at Lake Kutubu in the southern highlands of Papua New Guinea. Oxygen isotope (δ18O) values recorded in aquatic gastropod shells change according to ambient water δ18O values and temperature. The gastropod shells appear to form in oxygen isotopic equilibrium with the surrounding water and record a shift in average shell oxygen isotopic composition through time,...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Journal of Quaternary Science
DOI: 10.1002/jqs.3188


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