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Geological Society, London, Special Publications; 2004; v. 231; p. 257-267;
DOI: 10.1144/GSL.SP.2004.231.01.15
© 2004 Geological Society of London

Tectonic History

Eight distinct fault-joint geometric/genetic relationships in the Beer Sheva syncline, Israel

Dov Bahat

Department of Geological and Environmental Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel

Extended research over two decades reveals more than 20 distinct fracture episodes in the Beer Sheva syncline. This paper focuses on eight fault-joint systems that differ from each other in their genetic affiliation and/or their geometric relationship and fracture properties. Two systems are linked to burial, whereas six others relate to various syntectonic-uplift associations. Joint sets within these systems are categorized into three, pre-, syn- and post-fault groups. Correspondingly, synfault early uplift and post-fault early uplift events can be distinguished from prefault and synfault late uplift events. Water drainage may be considerably improved along certain fault-joint systems. Accordingly, in formulating fracture-network models the particular distribution of fault-joint systems and their properties need to be taken into consideration.