Journal mondial de technologie et d'optimisation

Gamma Attenuation Coefficient of Carbonate Rocks Sampled from the North Western Coast of Egypt

Abstract

Samir Al-Gamal, Sherine El-Essawy, El-Sayed M El-Refaie and Mohammed Durra

Gamma attenuation coefficients of host rocks belonging to Moghra Formation of Eocene era in one of two candidate sites located at the North Western Coast of Egypt in Al-Dabaa locality were estimated using Monte-Carlo Code for Nuclear Power (MCNP). Carbonates rock samples were taken to represents several depth intervals. A virtual mono-energetic gamma source with increasing energies was used. The gamma attenuation properties were found to be totally independent on the lithology of rock type, provided that roch sample density remains constant. Ultimately it is found that, gamma attenuation coefficient showed an inverse exponential dependence on the gamma energy regardless rock type and their related depth.