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The Geological Relationship between Kirkuk , Bai Hassan , Gwair and Qarachaug Structures using Geophysical Analyses | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 11, Issue 2, 2006, Pages 112-124 | ||
| Author | ||
| Mahmoud Abdullah Mohammad AL-Mufarjy | ||
| Abstract | ||
| The study area includes Kirkuk , Bai Hassan , Gwair and Qarachaug structures , situated in the Northeast of Iraq at Low Folded region and in the Main Folded Zone at Kirkuk Subzone . The area lies between Longitudes 43 25 to 44 30 East and Latitudes 35 20 to 36 10 North . The form of topography , the relief of the land , is mainly determined by the subsurface geological structures . The shapes of these structures are due to tectonic forces during various geological periods . These forces were of tension nature during Mesozoic Era up to Late Cretaceous , whereas the compression forces had great effect during Tertiary which reached the maximum at Pliocene during the Alpine Orogeny . The main purpose is to obtain an accurate picture of these structures and surrounding using surface & subsurface data obtained from geophysical studies in addition to geological and borehole data . The potential field data consist of Bouguer anomaly map and total field aeromagnetic map . The available seismic and borehole data have rendered reasonable to good extent and free of ambiguity interpretations of gravity and magnetic observations . Thus , with the available controls , a detailed discussion of the hydrocarbon extension of these structures is given and also a detailed correlation of these structures in order to find expected subsurface structures or faults at the saddles area between the structures and their extensions . A three- dimensional seismic survey is recommended for saddles areas between the structures or between the domes within the same structures in order to ensure the structural enclosure of the structural noses which detected earlier and to explain the extensions of Ismaeel Structure which was previously porposed | ||
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