Integration of remote sensing and geochemical data to characterize mineralized A-type granites, Egypt: implications for origin and concentration of rare metals

Mohamed Zaki Khedr, Saif M. Abo Khashaba, N. H. El-Shibiny, Eiichi Takazawa, Safaa M. Hassan, Mokhles K. Azer, Scott Whattam, Reda A. El-Arafy, Yuji Ichiyama