U.S.-Poland Geophysical Research on Texture Components for Low Crystal Symmetries

这项美国-波兰研究的主要目标是加州大学伯克利分校的汉斯-鲁道夫·温克博士波兰科学院金属研究所的Jan Pospiech博士将通过将Pawlich-Pospiech(PP)的层析算法扩展到低晶体和三斜样品对称性来推进变形材料的定量织构分析。选择的重点材料是石英，它在地壳中具有重要的构造意义。它的结构在地质条件上也有很大的变化。研究人员计划一起测量来自不同经典地区的变形石英岩的极图，并用PP方法准备一份ODF目录。根据其地球物理变形历史，研究结果应能对石英结构提供更定量的解释。这个地球物理项目通过使美国和波兰的领先研究人员能够在平等、互惠的基础上，在基础科学研究领域共同感兴趣和能力强的领域结合互补的努力和能力，实现了促进科学知识的计划目标，和互惠互利。

The primary objective of this U.S.-Poland research between Dr. Hans-Rudolf Wenk of the University of California, Berkeley, and Dr. Jan Pospiech of the Polish Academy of Sciences' Institute for Metals Research is to advance quantitative texture analysis of deformed materials by extending the tomography algorithm of Pawlich-Pospiech (PP) to low crystal and triclinic sample symmetry. The material chosen for emphasis is quartz which is of great tectonic importance in the earth's crust. Its textures also vary greatly in geological conditions. Together, the researchers plan to measure pole figures on deformed quartzites from different classical localities and prepare a catalog of ODFs with the PP method. Results should provide a more quantitative interpretation of quartz textures in terms of their geophysical deformation history. This project in geophysics fulfills the program objective of advancing scientific knowledge by enabling leading researchers in the United States and Poland to combine complementary efforts and capabilities in areas of strong mutual interest and competence in the field of basic scientific research on the basis of equality, reciprocity, and mutuality of benefit.