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GEOREF RECORD

The A-to-Z of faulting in the offshore Arabian Gulf; Arabian trend structures overprinted by a Zagros wrench-fault assemblage

Byron J. J. Beck
The A-to-Z of faulting in the offshore Arabian Gulf; Arabian trend structures overprinted by a Zagros wrench-fault assemblage
Interpretation (Tulsa) (November 2014) 2 (4): T1-T12

Abstract

Most major fields in the northeastern area of Saudi Arabia and Kuwait are anticlinal structures developed above north-northeast-south-southwest-trending basement lineaments. Based on structural interpretation of 3D seismic data sets, the fault pattern over one such field in the offshore Arabian Gulf of Kuwait and Saudi Arabia was analyzed in detail and integrated into the regional tectonic framework. Two discrete fault sets were identified. First, a system of Cretaceous extensional block faulting was observed that is parallel to and associated with folding over the basement structure. Second, a complex wrench-fault assemblage was identified associated with a Palaeogene dextral couple across the Zagros suture, which overprinted the inherited structural fabric. Convex-upward, Zagros-parallel flower structures were interpreted along with coeval synthetic and antithetic strike-slip fault systems. The interpretation of two discrete faults sets was then applied to an adjacent field that proved to have experienced a more complex tectonic history. Integration of the seismic fault interpretation into the regional tectonic history provided a robust framework that enhanced the understanding of the fault pattern and the structural interpretation of a nearby more complex field.


ISSN: 2324-8858
EISSN: 2324-8866
Serial Title: Interpretation (Tulsa)
Serial Volume: 2
Serial Issue: 4
Title: The A-to-Z of faulting in the offshore Arabian Gulf; Arabian trend structures overprinted by a Zagros wrench-fault assemblage
Author(s): Beck, Byron J. J.
Affiliation: Al-Khafji Joint Operations, Saudi Arabia
Pages: T1-T12
Published: 20141101
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
References: 23
Accession Number: 2015-007637
Categories: Structural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. block diag., chart, sects., sketch maps
N24°30'00" - N26°30'00", E48°00'00" - E49°30'00"
N28°30'00" - N30°15'00", E46°30'00" - E48°45'00"
N24°00'00" - N31°00'00", E48°00'00" - E57°00'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States
Update Code: 201504
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