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在岩组学研究中,人们常利用石英来进行组构的测定。但由于测定石英晶粒的数量较多,一般常需测定150—300个颗粒的光轴方位,加上在费氏旋转台上测定石英光轴空间方位的操作又较繁琐,每测定一块岩矿定向薄片的石英光轴空间方位,都需要耗去较长的时间。为了简化一轴晶矿物——石英光轴空间方位测定方法,改进操作步骤,提高工作效率,以适应岩组学测量的要求,在此将我们的测定方法作一介绍,就教于同行,不妥之处,敬请批评指正。
In the study of petrography, quartz is often used to determine the structure. However, because of the large number of quartz grains, it is often necessary to measure the optical axis of 150-300 particles. In addition, the operation of determining the spatial orientation of quartz optical axis on the Freunds’ rotating table is more complicated. Orientation of the optical axis of the quartz optical axis orientation, need to take a long time. In order to simplify the method of measuring the azimuthal mineralogy-quartz optical axis space azimuth, improve the operation steps and improve the working efficiency to meet the requirements of the lithology measurement, we will introduce our method of measurement here, Department, please correct me criticism.