A detailed survey near Mount Eratosthenes Eastern Mediterranean |
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| Authors: | S J Tanner C A Williams |
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| Institution: | (1) Bullard Laboratories, Department of Earth Sciences, University of Cambridge, England;(2) Present address: Petroleum Development Oman, P.O. Box 81, Muscat, Sultanate of Oman |
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| Abstract: | A detailed marine survey made to the South West of Mount Eratosthenes is described. The results show the existence of a narrow zone of WNW trending deformed sediment west of the mount surrounded by an evaporite sequence in different stages of deformation.This work was intended to settle the conflict between the results of three previous interpretations of the tectonic structure of this area. We see the area being characterised by five areas with different degrees of tectonic deformation yet showing little causal relationship to overburden of Nile Cone sediments. A fault controlled cliff coincides with the previously described salt wall and strike slip fault yet we see no evidence for its diapiric origin nor positive evidence for strike slip motion along it. We concur with the previously observed area of higher free-air gravity anomalies termed the Eratosthenes tectonic zone, although it is traversed by several boundaries between areas of different deformation. Our results thus show some agreements and some re-interpretations of the observations. This complicated region is not yet fully understood however. |
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