Persian Gulf Basin of approximately 93000 square miles. The name Persian Gulf in most cases refers not only to the Persian Gulf but also the Gulf of Oman, the Strait of Hormuz and various outlets that are linked to the Arabian Sea. The Arabian Plate tectonic origin is grouped into six phases which contributed to its current geology: The early Precambrian (from 800 to 650 Ma) is a compressional phase where a series of islands-arcs and micro-continent terrane accreted to form the oldest portions of the Arabian Plate (Gondwana). The development of Hormuz saltbasin was a consequence of the last Precambrian orogenic event.
Gulf of Oman desert and semi-desert gravelly plains and savanna with thorny acacia trees inland with a background of the Musandam and Al Hajar mountains. The climate is hot and dry with temperatures up to 49 degrees Celsius (120 °F) and little rainfall, especially on the Persian Gulf coast of the UAE. There is more rainfall on the Gulf of Oman and humidity provides moisture on both coasts. The coastal mangrove consists of "Avicennia marina", trees of the inland savanna include "Ziziphus spina-christi", "Prosopis cineraria" and the Umbrella Thorn "Acacia tortilis" while the mountains are home to "Ficus cordata salicifolia", and "Acacia tortilis". Finally the traditional