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.
Arab states of the Persian Gulf and Oman come in second and third respectively within the regional ranks. The six Arab states of the Persian Gulf lie in a volatile region and their six governments, with varying degrees of success and effort, try and advance peace in their own countries and other countries. However, Arab countries in the Persian Gulf region - specifically Saudi Arabia and Qatar - stand accused of funding Islamist militants such as Hamas and the Muslim Brotherhood. According to the Institute of Economics and Peace (IEP)'s Global Peace Index of 2016, the six governments had varying degrees of success in maintaining peace