A detection method of subrecent to recent tectonic activity in the anticlinal system of the northern Negev, Israel

Journal Article · Mon Feb 01 04:00:00 EST 1988 · Environmental Geology and Water Sciences; (United States)

DOI:https://doi.org/10.1007/BF02587764· OSTI ID:5986368

Zilberman, E; Wachs, D ^[1]

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1. Geological Survey of Israel, Jerusalem (Israel)

Geomorphological and geophysical methods combined with borehole information were employed to search for possible subrecent small-scale vertical movement along the anticlinal fold belt of the central Negev, Israel. Such tectonic deformation might indicate displacement on the buried reverse faults underneath the anticlines. Variations in the thickness of the alluvial fill in the study area, which are in accordance with the fold structures, could be an indication of recent folding activity along the anticlinal system. In order to detect these thickness variations in the alluvial fill, seismic refraction and electrical resistivity measurements were carries out along the valley of Nahal Besor, which crosses the anticlinal belt. The thickness variations of the alluvial fill along the valley were not found to indicate any significant tectonic movement along the anticlines during the Pleistocene. The thickest alluvium was found overlying a karst bedrock, hence karst relief is suggested to be responsible for these variations.

• OSTI ID: 5986368
• Journal Information: Environmental Geology and Water Sciences; (United States), Journal Name: Environmental Geology and Water Sciences; (United States) Vol. 11:1; ISSN 0177-5146; ISSN EGWSE
• Country of Publication: United States
• Language: English

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