Acquisition of a Solid-Source Mass Spectrometer

这项提案寻求为布朗大学地质科学系运营的一台新的固体源质谱仪提供部分资金。这台新仪器将取代一台已有15年历史的机器，该机器不能进行现代地质年代学和同位素示踪研究所需的高精度同位素测量。该系的三名教员在质谱学方面经验丰富，他们和他们的学生将是新质谱仪的主要用户，用于研究北阿巴拉契亚山脉和相关矿藏的区域构造。

This proposal seeks partial funding for a new solid-source mass spectrometer to be operated in the Department of Geological Sciences at Brown University. The new instrument will replace a 15-year old machine that is not capable of the high precision isotope measurements needed for modern geochronological and isotopic tracer studies. Three faculty members in the Department are experienced in mass spectroscopy, and they and their students will be the major users of the new mass spectrometer for studies in regional tectonics of the Northern Appalachians and related ore deposits.