predominantly Precambrian aged coarse grained hornblende tonalite, with subordinate granodiorite.

Cave of Hira

The Cave of Hira was of minor significance before Islam; its name comes from hira (jewels). Taking 1750 walking steps to reach, it is about 12 ft in length and 5 ft 3 in in width. It is at a height of 270 m. During the Hajj (pilgrimage), an estimated

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