New insight on the stratigraphy of the "Upper Thamama" in offshore Abu Dhabi (U.A.E.)

Abstract

An integrated case study of field "A" in offshore Abu Dhabi found that the stratigraphic framework for the uppermost part of the so-called "Thamama Group" required revision. Detailed sedimentological work permitted a subdivision of the succession into lithostratigraphic units (more accurately "allostratigraphic units") and the fossil content permitted their allocation to standard age-related units ranging from Late Barremian through Middle Aptian times. Additional work focused on the so-called "Shu'aiba Formation" and resulted in a new and comprehensive interpretation on a regional scale which differs from published interpretations based on onshore studies in Abu Dhabi, Qatar, and Oman.

Keywords

• allostratigraphy
• lithostratigraphy
• Cretaceous
• Hauterivian
• Barremian
• Aptian
• Bedoulian
• Gargasian
• Clansayesian
• Albian
• Lekhwair
• Hawar
• Shu'aiba
• Bab
• Sabsab
• Nahr Umr
• Abu Dhabi
• Iraq
• Qatar
• Oman