TY - GEN
T1 - Gravity survey over jabal hafit - implications for basement configuration of the frontal fold belts of oman mountains
AU - Ali, M. Y.
AU - Sirat, M.
AU - Small, J.
PY - 2008
Y1 - 2008
N2 - A gravity survey was carried out in and around Jabal Hafit, south of Al Mn, Abu Dhabi in the United Arab Emirates. Jabal Hafit is a 30 km long and 4.5 km wide asymmetrical, double-plunging, NNW-SSW trending anticline which consists of shallow-marine carbonates of Eocene to Miocene age trending parallel to the Oman Mountains. The area is of tectonic significance because the reactivation of basement faults are believed to control distribution of hydrocarbon traps. Results from the gravity data constrained by outcrop geology, confidential well and seismic data and bedrock density measurements, have been used to determine the subsurface structure of the study area. NNW-SSE trending positive residual gravity anomalies of up to +6 mGal occur on the Jabal Hafit and Al Am anticlines. These positive gravity highs are attributed to basement horsts as the structural style is considered to have resulted from reactivated deep-seated fault blocks. The residual Bouguer anomaly values decline gradually to the east and west of Jabal Hafit as the basement deepens. A large negative gravity anomaly of <-5 mGal is observed east of Jabal Halit and coincides with a syncline which caused thickening of the Upper Cretaceous and Tertiary sequences.
AB - A gravity survey was carried out in and around Jabal Hafit, south of Al Mn, Abu Dhabi in the United Arab Emirates. Jabal Hafit is a 30 km long and 4.5 km wide asymmetrical, double-plunging, NNW-SSW trending anticline which consists of shallow-marine carbonates of Eocene to Miocene age trending parallel to the Oman Mountains. The area is of tectonic significance because the reactivation of basement faults are believed to control distribution of hydrocarbon traps. Results from the gravity data constrained by outcrop geology, confidential well and seismic data and bedrock density measurements, have been used to determine the subsurface structure of the study area. NNW-SSE trending positive residual gravity anomalies of up to +6 mGal occur on the Jabal Hafit and Al Am anticlines. These positive gravity highs are attributed to basement horsts as the structural style is considered to have resulted from reactivated deep-seated fault blocks. The residual Bouguer anomaly values decline gradually to the east and west of Jabal Hafit as the basement deepens. A large negative gravity anomaly of <-5 mGal is observed east of Jabal Halit and coincides with a syncline which caused thickening of the Upper Cretaceous and Tertiary sequences.
UR - http://www.scopus.com/inward/record.url?scp=71049136002&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:71049136002
SN - 9781605604749
T3 - 70th European Association of Geoscientists and Engineers Conference and Exhibition 2008: Leveraging Technology. Incorporating SPE EUROPEC 2008
SP - 3757
EP - 3761
BT - Society of Petroleum Engineers - 70th European Association of Geoscientists and Engineers Conference and Exhibition - Incorporating SPE EUROPEC 2008
T2 - 70th European Association of Geoscientists and Engineers Conference and Exhibition - Incorporating SPE EUROPEC 2008
Y2 - 9 June 2008 through 12 June 2008
ER -