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Marine Terraces of Southern Sinai

Dov Nir
Geographical Review
Vol. 61, No. 1 (Jan., 1971), pp. 32-50
DOI: 10.2307/213366
Stable URL: http://www.jstor.org/stable/213366
Page Count: 19
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Marine Terraces of Southern Sinai
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Abstract

Along the western coast of the Gulf of Elat are three Quaternary marine terraces composed of corals. These are horizontal in most places except for the Ras Muhammad Peninsula, where they are broken, tilted, and cracked; therefore the height of the upper terrace at Ras Muhammad cannot be compared with that of the marine terraces along the other beaches. Elsewhere, however, the height is uniform: the upper terrace is between 20 and 22 m above sea level, the intermediate between 12 and 16 m, and the lower between 6 and 8 m. The present terrace is found between 1 and 3 m, and the top of the living reef lies at a depth of 50 to 100 cm below mean sea level. Opinions are divided concerning tectonic or eustatic origin of the terraces. From the evidence and arguments presented here, it would seem that they are eustatic.

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