Acquisition of a Microanalysis System for a Scanning Electron Microscope at Carleton College.

0420680 Davidson这笔赠款通过主要研究仪器(MRI)计划提供支持，用于为卡尔顿学院现有的扫描电子显微镜购买微量分析系统。增加一个基于能量色散光谱仪的显微分析系统，将极大地提高学院在地质、化学、物理和人类学方面的研究、研究培训和教育能力。微量分析是在微米尺度上表征固体材料化学成分的基本工具。目前学生和教师的研究将通过获得新的微观分析系统而得到加强，包括1)阿拉斯加东南部和中南部的变质岩石学和构造研究；2)黄石火山的演化；3)东非早期原始人遗址的沉积层特征；以及4)在简单的微生物主导的生态系统中控制生物地球化学速率和物种多样性的过程的调查。此外，新的微观分析系统将用于各种课程，以增强学院理科和非理科专业的定量推理技能。*

0420680DavidsonThis grant, made through the Major Research Instrumentation (MRI) program, provides support for acquiring a microanalysis system for an existing scanning electron microscope at Carleton College. The addition of a energy dispersive spectrometer based microanalysis system will greatly enhance the research, research training, and educational capabilities in Geology, Chemistry, Physics, and Anthropology at the college. Microanalysis is an essential tool for characterizing the chemical composition of solid materials at the micron scale. Current student and faculty research that will be enhanced by the acquisition of a new microanalysis system include 1) metamorphic petrology and tectonic studies in Southeast and south central Alaska; 2) evolution of Yellowstone volcanism; 3) characterization of sedimentary layers in early hominid sites in eastern Africa; and 4) investigations into the processes that control biogeochemical rates and species diversity in simple, microbially-dominated ecosystems. In addition, the new microanalysis system will be used in various courses to enhance the quantitative reasoning skills of science and non-science majors at the college.***