Opaque mineralogy and magnetic investigation of some basaltic occurrences, Sinai, Egypt
作者： Nadia Wassif , Ibrahim El-Hemaly , Emad Henery , Hatem Odah , None
DOI: 10.1007/S12517-010-0243-X
关键词: Coercivity 、 Wadi 、 Opacity 、 Crystallite 、 Mineralogy 、 Oxide minerals 、 Geology 、 Basalt 、 General Earth and Planetary Sciences 、 General Environmental Science
摘要: Ore microscopic investigation of the Fe–Ti oxide minerals was carried out on samples from three Oligo-Miocene basaltic occurrences Sinai, Egypt. These are Gebel Maghara (north Sinai), Rageibet Naama (central and Wadi Matulla (west Sinai). The results correlations magnetic parameters such as NRM intensity susceptibility, coercive force Hc, ratio Mr/Ms, Hc Q value, saturation magnetization Ms, K discussed in light opaque mineralogical studies. It has been found that variations properties strongly dependent crystallite size nature style exsolution textures fabrics. latter controlled by cooling conditions, being most sensitive to partial pressure oxygen melt.
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