The stratigraphy, geomorphological evolution and physical and chemical properties of the various geological units forming the foundations to the £232 million Dubai Dry Dock are presented. The investigations confirm the existence of weaker, silty gypsiferous palaeosabkha and lagoonal deposits within the more typical Miliolite Sandstone, a cemented aeolian carbonate sandstone of Pleistocene age. The distribution and engineering significance of the weaker, gypsiferous layers are described in relation to the construction of the dock floor and settlement of a few caissons adjacent to the sea.

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