Document Type : Original Research Paper
Authors
1 Assistant Professor, Department of Geology, Faculty of Basic Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
2 Instructor, Department of Geology, Faculty of Basic Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
Abstract
Geochemistry, mineralogy and mechanism of the mud volcanoes located in the southwestof the Caspian Sea (Azerbaijan country) have already been studiedwith aim of finding out theirorigin, but mud volcanoes of The Gomishanhaven’t been studied from thesepoints of view yet. In this research, mudof mud volcanoes and sea floor sediments forthe first time weresampled and studied to discover their origin. The results of mineralogical and geochemical studies, which carried out byXRD, XRF, ICP methodsshow that main minerals of the Qarnyaryq, Naftlycheh and Incheborun mud volcanoes and of sea floor sediments are quarts,calcite and albite and sub ordinaryminerals are mainly halite and clay minerals such assaponite,natrolite and muscovite.Therefore,it can be resulted that the three mud volcanoes have a common origin. The obtained results compared with present data from Dashgil mud volcano(Azerbaijan) and chemical characteristics of the Caspian Sea water.This comparison revealed that the elements of Na,K, Ca, and Al in these three mud volcanoes are richerand Cl element is poorerthan the Dashgil mud volcanoand the Caspian Sea.
Keywords
)