Research Technician Support: W. M. Keck Foundation Isotope Laboratory

这项拨款为康奈尔大学W.M.凯克基金会实验室负责仪器操作、维护和监督的技术人员提供148,179美元的三年部分工资支持。本实验室设有用于地质样品微量元素分析的电感耦合等离子体质谱仪（ICP-MS）、用于测定地质和生物样品中放射性成因元素同位素组成的热电离体质谱仪（TIMS）和样品制备的洁净室。这些仪器服务于该小组多样化研究的分析需求，包括岛弧岩浆和洋中脊玄武岩的地球化学特征分析，以及使用锶（Sr）和钕（Nd）同位素比率作为喜马拉雅山沉积物来源和风化历史的示踪剂，以及森林生态系统的生物地球化学循环。＊＊＊

9629959 White This grant provides $148,179 as three years partial salary support for a technician who will be responsible for operations, maintenance and oversight of instrumentation in the W.M. Keck Foundation Laboratory at Cornell University. This laboratory houses an inductively coupled plasma mass spectrometer (ICP-MS) used for trace element analysis of geological samples, a thermal ionization mass spectrometer (TIMS) used to determine the isotopic composition of radiogenic elements in geological and biological samples and a clean room for sample preparation. These instruments serve the analytical needs of this group's diverse studies including, analyses of the geochemical signatures in island arc magmas and mid-ocean ridge basalts and the use of isotopic ratios of strontium (Sr) and neodymium (Nd) as tracers of both sediment provenance and weathering history of the Himalayas and biogeochemical cycling in forested ecosystems. ***