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Qeshm Island UNESCO Global Geopark
鈥淭he land of erosion, the art of erosion鈥
Celebrating Earth Heritage
Qeshm Island UNESCO Global Geopark is an island of the Islamic Republic of Iran, which has the shape of a dolphin. It is the largest island of the Persian Gulf region and stands parallel to the south coasts of the Hormuz Strait. The highest point on the island, Kish Kuh Mount, is 397 m high.
Qeshm Island UNESCO Global Geopark is part of the huge mountain range of Zagros, which has been deformed and folded as the result of the last phase of the Alpine orogeny in the Plio-Pleistocene. The geological formations of this mountain belt belong to the Late Precambrian to Cambrian (more than 480 million years old) and include salt diapirs attributed to the Precambrian period called Hormoz Series. According to the majority of geologists, the tectonics of this region has been active from the Late Tertiary. The tectonic zone is represented by the south part of the deformed forehead or the convergent belt (Mesopotamia and Persian Gulf region), as well as by the margins of the compression and collision plates of the Iranian-Arabic continent.
The Qeshm Area of the Persian Gulf Region forms part of the south and eastern extreme foreland of the Zagros geological and structural Province, expressed in the NW-SE trending Zagros Mountain ranges. The more southerly part of the Zagros Fold Belt faces, but is separated from the Oman Region, while the Mokran geological and structural Province lies to the east, beyond the Minab-Oman fracture zone. The highest mountain peak on Qeshm Island is related to the Kish Kuh Anticline structures that have increased the height in part as an effect of diapirism tectonics, related to the Namakdan Salt Plug. Qeshm Island UNESCO Global Geopark has also the world longest salt cave, 6600 m in length. In addition to the salt formation and complex, other sedimentary formations are exposed in the different anticline structures on the island. The succession consists of conformable Neogene (Mio-Pliocene) units, with a total thickness of about 1200 to 1850 meters from the eastern to western ends of this island, respectively. In general, mountainous or high ranges nearly coincide with the folds having anticline structure, or in part as salt dome diapers, and the relative lowlands are mainly within or based on intermediate forms or synclines. Several major geosites are also located around the anticlines.
The island has abundant wildlife, including birds, reptiles, dolphins and turtles. In Qeshm Island, zoogeographical areas of Palearctic and Oriental, and phytogeographical areas of Afro-tropical, Oriental and Eurasian, are meeting each other, which generated a huge variety in fauna and flora.
Characteristics
Designation date
2017
Country(ies)
Transnational
No
Area (ha)
206,300
Population
180,000
Density
72
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