• Mesozoic Igneous Activity In Egypt 

      Meneisy, M. Y. [محمد يسري منيسي] ( Qatar University , 1986 , Article)
      A geochronological sequence of the main phases of igneous activity in Egypt during the Mesozoic is presented in this paper. This is essentially based on scrutinized isotopic age data. New K / Ar ages are also included. Three ...
    • New Potassium/Argon Ages For The Volcanic Rocks Of Halul Island (Qatar) 

      Meneisy, M. Y. [محمد يسري منيسي] ( Qatar University , 1988 , Article)
      The only rocks of igneous origin known to be exposed in Qatar are those of Halul and Shra'Auh Islands. They occur within a salt diapir and the age of these rocks is uncertain. They have generally been assigned to the Hormuz ...
    • Paleozoic Igneous Activity In Egypt 

      Meneisy, M. Y. [محمد يسري منيسي] ( Qatar University , 1989 , Article)
      Based on available isotopic age data, including a few K/Ar ages obtained by the writer, a geochronological sequence of the main phases of igneous activity in Egypt during the Paleozoic is presented. Five main phases at ...
    • Petrogenesis And Geochronology Of The Granitic Intrusions Of Gabal Kulyiet And Seiga, South Eastern Desert, Egypt 

      Meneisy, M. Y. [محمد يسري منيسي]; El Alfy, Z. S.; El Kalioubi, B. A. ( Qatar University , 1986 , Article)
      In the South Eastern Desert of Egypt tonalite. granodiorite and granite intruded intermediate to acidic metavolcanics and volcanogenic metasedimentary rocks of Precambrian age. The geological features of these granitic ...