MRI: Acquisition of a Multicollector – Inductively Coupled Plasma – Mass Spectrometer at the University of Arizona for Earth and Planetary Science Research, Education and Outre

MRI：在亚利桑那大学购买多接收器 — 电感耦合等离子体 — 质谱仪，用于地球和行星科学研究、教育和外展

• 批准号: 2214700
• 负责人: Mauricio Ibanez-Mejia
• 金额: $ 80.98万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-08-15 至 2024-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2214700&HistoricalAwards=false
• 关键词: MRI; Acquisition; Multicollector; Inductively; Coupled

This MRI award provides funding to acquire a next-generation Multicollector – Inductively Coupled Plasma Mass Spectrometer (MC-ICPMS) equipped with a collision/reaction cell and MS/MS mass filter. The instrument will be housed within the Arizona LaserChron Center (ALC), an NSF-supported Community Facility at the University of Arizona (UA) that supports research in Earth Sciences. It will be co-managed between ALC and the Arizona Heavy Isotopes Laboratory (AHIL). Science questions pursued by ALC and AHIL researchers include reconstructing the igneous evolution of Earth, Moon, Mars, and other planetary materials; the timing of volcanic eruptions; tectonic evolution and uplift of mountain ranges; transport and accumulation of sediments; formation of base metal deposits and other strategic and energy resources; reconstructing the history of Earth’s climate, including patterns of ice sheets and tracing of aeolian (loess) deposits. The new instrument will directly support the research efforts of ~350 faculty members, professional geologists, and students that visit the ALC each year, by making state-of-the-art analytical methods accessible to the broader Earth Science community. Furthermore, the instrument will provide new opportunities for students and researchers to learn the theory and methods of mass spectrometry; data acquisition and processing; and offer educational and outreach activities for a broad user base including participants from under-represented minority groups in STEM.The new MC-ICPMS will complement other ICPMS and laser-ablation systems available at ALC by enabling improved accuracy/precision using existing analytical methods, development of new techniques only achievable with the proposed instrumentation, as well as increasing analytical capacity. In particular, research in ALC will emphasize: i) developing new techniques in laser-based MC-ICPMS geochronology that take full advantage of the novel collision/reaction cell and MS/MS capabilities (e.g., Rb-Sr); and ii) providing greater capacity to meet the growing community demands for U-Th/Pb geochronology and complementary Lu-Hf isotope analysis. We anticipate that in-situ Rb-Sr methods applied to feldspar and mica will transform petrochronology and detrital mineral studies in much the same way that zircon U-Pb has impacted many different areas of Earth science research. AHIL research will emphasize the development and application of emerging techniques in non-traditional stable isotopes of Ti, Zr, and Hf in bulk-rocks and minerals to study high-temperature petrologic processes influencing magmatism, fluid flow, crust-mantle differentiation, and the distribution of critical elements. Through connections with researchers in the UA Lunar and Planetary Laboratory, we will leverage these novel capabilities to study aspects of planetary geochemistry/geochronology that bear on Earth’s origin and evolution. Through community outreach and research training for underrepresented students and postdoctoral researchers, the PI/Co-PIs will ensure that the new MC-ICPMS takes advantage of UA’s position as an R1 Hispanic Serving Institution and American Indian and Alaska Native-Serving Institution for enhancing diversity in geosciences, while addressing exciting new questions in petrology, geochemistry, tectonics, and planetary sciences.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该MRI奖提供了获得下一代多策略器 - 电感耦合等离子体质谱仪（MC-ICPMS）的资金，配备了碰撞/反应电池和MS/MS质量过滤器。该仪器将安置在亚利桑那州激光阶级中心（ALC）内，该中心是亚利桑那大学（UA）的NSF支持的社区设施，该设施支持地球科学研究。它将在ALC和亚利桑那州重型同位素实验室（AHIL）之间进行共同管理。 ALC和AHIL研究人员提出的科学问题包括重建地球，月亮，火星和其他行星材料的火成点进化；火山喷发的时机；山脉的构造演变和隆升；沉积物的运输和积累；基金存款以及其他战略和能源的形成；重建地球气候的历史，包括冰盖的模式和追踪风格的（黄土）沉积物。新工具将直接支持约350名教职员工，专业地质学家和每年访问ALC的学生的研究工作，通过使更广泛的地球科学界可以访问最先进的分析方法。此外，该工具将为学生和研究人员提供新的机会学习质谱的理论和方法。数据获取和处理；并为STEM中代表性不足的少数群体的参与者提供教育和外展活动。新的MC-ICPMS将通过使用现有的分析方法，仅通过新的技术来开发提高拟议仪器的能力来提高精确度/精确度，以补充其他ICPMS和ALC上的激光燃料系统，以及提高拟议仪器的能力。特别是，ALC的研究将强调：i）在基于激光的MC-ICPMS年代中开发新技术，该技术充分利用了新型的碰撞/反应细胞和MS/MS功能（例如RB-SR）； ii）提供更大的能力来满足社区对U-H/PB年代学和完整的LU-HF同位素分析的需求。我们预计，适用于Feldspar和MICA的原位RB-SR方法将以与锆石U-PB的AHIL研究的方式相同的方式来转化石化和碎屑矿物研究，这将强调在Ti，Zr和Zr petral themolover in Bulks and bulks和Minoral fors in Bulks和Minoral fors to bulks fors in bulks oh to的发展和应用中的发展和应用。岩浆，流体流动，外壳凸出分化和关键元素的分布。通过与UA月球和行星实验室中的研究人员的联系，我们将利用这些新颖的能力来研究地球地球化学/地质学的各个方面，这些方面具有地球起源和进化。 Through community outreach and research training for underrepresented students and postdoctoral researchers, the PI/Co-PIs will ensure that the new MC-ICPMS takes advantage of UA’s position as an R1 Hispanic Serving Institution and American Indian and Alaska Native-Serving Institution for enhancing diversity in geosciences, While addressing exciting new questions in petrology, geochemistry, tectonics, and planetary sciences.This award reflects NSF的法定使命，并使用基金会的知识分子优点和更广泛的审查标准来评估，被认为是宝贵的支持。