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Mount Sinai

Mountain in the Sinai Peninsula

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Through Mountain, Volcanic rock and Alkali

It is a 2,285-meter (7,497 ft) mountain near the city of Saint Catherine in the region known today as the Sinai Peninsula. It is surrounded on all sides by higher peaks in the mountain range of which it is a part. For example, it lies adjacent to Mount Catherine which, at 2,629 m or 8,625 ft, is the highest peak in Egypt.

Geology

Mount Sinai's rocks were formed during the late stage of the evolution of the Arabian-Nubian Shield. Mount Sinai displays a ring complex that consists of alkaline granites intruded into diverse rock types, including volcanics. The granites range in composition from syenogranite to alkali feldspar granite. The volcanic rocks are alkaline to peralkaline, and they are represented by subaerial flows and eruptions and subvolcanic porphyry.

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