Bulk rock mineralogy of samples from Bir Oum Ali area

Samples taken in February and October 2010. Analysis performed at the Institute of Earth Sciences, University of Lausanne, Swizerland, on an ARL Thermo X'tra diffractometer.样本采集于2010年2月及10月。分析工作在瑞士洛桑大学地球科学研究所内，采用ARL Thermo X'tra型X射线衍射仪完成。