Technician Support: UCLA Thermal Ionization Mass Spectrometry Facility (Phase II)

9633808里德这笔赠款提供100,000美元，作为一名技术员两年的部分工资支持，该技术员将负责加州大学洛杉矶分校的热电离质谱仪设施和相关洁净室的操作、维护和监督。该奖项是IF计划下的第二阶段技术人员支持提案，在此之前三年的第一阶段技术人员支持将于96年7月31日到期。实验室经理将操作和维护加州大学洛杉矶分校的两个TIM，一个有多个收集器的VG区54-30和一个升级的VG54E。54区的仪器专门用于分析铅、锶和钕的同位素，而54E区的仪器则用于同位素稀释测量和技术开发。在本奖项期间将开展的具体研究将包括作为其地幔来源指示器的大陆玄武岩的Th同位素研究，使用宇宙成因放射性核素(即14-C、36-Cl、26-Al和10-Be)对地质样品进行暴露年龄测定，以及对弧形火山岩中的个别斑晶进行锶同位素分带研究，以调查岩浆分异的时间尺度。***

9633808 Reid This grant provides $100,000 as two years partial support of a technician's salary support who would be responsible for operations, maintenance and oversight of the UCLA thermal ionization mass spectrometry facility and associated clean rooms. This award is a Phase II technician support proposal under the IF program and follows three years of Phase I technician support which expires on 7/31/96. The lab manager will operate and maintain two TIMS housed at UCLA, a VG Sector 54- 30 with multiple collectors and an upgraded VG54E. The Sector 54 instrument is dedicated to analyses of Pb, Sr and Nd isotopes while the 54E is reserved for isotope dilution measurements and technique development. Specific research to be undertaken during the duration of this award will include Th isotope studies of continental basalts as indicators of their mantle source, exposure age dating of geologic samples using cosmogenic radionuclides (i.e. 14-C, 36-Cl, 26-Al and 10-Be) and Sr isotope zonation studies of individual phenocrysts from arc volcanics to investigate the time scales of magmatic differentiation. ***