Acquisition of a cryogenic magnetometer and demagnetization devices, with applications toward global geodynamics, long-term paleoclimate, regional tectonics, and stratigraphy

0319172埃文斯这笔赠款支持在耶鲁大学建立一个新的古地磁实验室，其主要研究目标将是：（1）建立前盘古大陆的混合和扩散历史，（2）调查它们对地球一级地球动力学发展的影响，（3）确定超大陆构造，长期全球气候和生物进化之间的关系。次要的研究目标将包括古地磁在造山带旋转或平移中的应用，与成矿事件相关的地壳尺度流体流动的时间和模式，盆地间地层对比以及地球磁力发电机的长期变化。拟购买的具体设备包括一台2G企业超导岩石磁力计，配有自动化样品处理系统、交变场和热退磁器以及用于测量体磁化率和提供等温和无磁滞剩磁的仪器。 该设施将支持耶鲁大学地质学和地球物理学系的教师和学生的研究，并将作为前寒武纪古地磁研究的区域设施。

0319172EvansThis grant supports the development of a new paleomagnetic laboratory at Yale University where the primary research goals will be: (1) to establishamalgamation and dispersal histories of pre-Pangean supercontinents, (2) toinvestigate their implications toward first-order geodynamic development ofEarth, and (3) to determine relationships among supercontinental tectonics, long-termglobal climate, and biological evolution. Secondary research goals will include paleomagnetic applications toward rotations or translations in orogenic belts, the timing and pattern of crustal-scale fluid flow associated with ore-forming events, interbasinal stratigraphic correlation, and long-term variations of the Earth's magnetic dynamo. Specific equipment to be purchased includes a 2G-Enterprises superconducting rock magnetometer (SRM) equipped with automated sample handling system, alternating field and thermal demagnetizers and instruments for measuring bulk susceptibility and for imparting isothermal and anhysteretic remanences. The facility will support faculty and student research in the Department of Geology and Geophysics at Yale and will serve as a regional facility for Precambian paleomagnetic research.***