Isotopic and elemental geochemistry of marine invertebrates from the Late Quaternary Fort Langley Formation and Capilano Sediments, southwestern British Columbia, Canada
作者： L.I. Wassenaar , U. Brand , J. Terasmae
DOI: 10.1016/0168-9622(88)90003-6
关键词: Holocene 、 Quaternary 、 Geochemistry 、 Geology 、 Diagenesis 、 Isotopes of oxygen 、 Paleosalinity 、 Meltwater 、 Oceanography 、 Marine invertebrates 、 Carbonate
摘要: Abstract Calcareous marine invertebrates of the Late Quaternary Fort Langley Formation and Capilano Sediments, southwestern British Columbia, Canada, are mineralogically, microstructurally biogeochemically unaltered after burial for more than 10,000 yr. in a meteoric environment. Trace-element data fossil molluscs comparison with that modern counterparts suggest salinity regime 25–30 ppt submergence Fraser Lowlands. With these water salinities, reasonable oxygen isotope paleotemperatures 0–10°C Ice meltwater had δ18O-values −23 to −17 ‰ (SMOW). This model is consistent paleoecological interpretations, isotopic composition western alpine ice precipitation.
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