全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:H.A. Gahlan , G.Y. Boghdady
来源:[J].Journal of Volcanology and Geothermal Research(IF 2.193), 2016, Vol.327, pp.84-98Elsevier
摘要:Abstract(#br)Major and trace element compositions were determined for well-preserved diopside relics in highly altered mantle xenoliths from Natash volcanic province, south Eastern Desert of Egypt, to unravel the major magmatic processes that occurred within the lithospheric...
作者:H.A. Gahlan , S.A. Wilde ...
来源:[J].Gondwana Research(IF 7.396), 2010, Vol.18 (4), pp.583-595Elsevier
摘要:Abstract(#br)Ophiolites are key components of the Neoproterozoic Arabian–Nubian Shield (ANS). Understanding when they formed and were emplaced is crucial for understanding the evolution of the ANS because their ages tell when seafloor spreading and terrane accretion occurred...
作者:... P.D. ASIMOW , M.K. AZER , H.A. GAHLAN
来源:[J].Geologica Acta(IF 1.262), 2016, Vol.14 (3), pp.219-235UB
摘要:We present new field, petrographical, mineralogical and geochemical data from late Neoproterozoic pegmatites and aplites in southern Sinai, Egypt, at the northernmost limit of the Arabian-Nubian Shield. The pegmatites cross-cut host rocks in the Taba Metamorphic Complex (TMC...
作者:M.K. AZER , M.A. OBEID , H.A. GAHLAN
来源:[J].Geologica Acta(IF 1.262), 2016, Vol.14 (3), pp.237-259UB
摘要:The Shahira Layered Mafic Intrusion (SLMI), which belongs to the late Neoproterozoic plutonic rocks of the Arabian-Nubian Shield, is the largest layered mafic intrusion in southern Sinai. Field relations indicate that it is younger than the surrounding metamorphic rocks and ...

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