Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ashraf Torkian"'
Autor:
Majid Shirmohammadi, Ali Asghar Sepahi, Mohammad Maanijou, Ashraf Torkian, Mirmohammad Miri, Mahsa Tahmasebi
Publikováno v:
Journal of Economic Geology, Vol 16, Iss 1, Pp 1-24 (2024)
The northern part of the Sanandaj-Sirjan zone hosts important iron deposits formed during the Mesozoic magmatism. The Baba-Ali and Galali ore deposits occurred on the border of Hamedan, Kermanshah, and Kurdistan provinces. Ores in these deposits incl
Externí odkaz:
https://doaj.org/article/c658c712e06745f8bb298acd881a61dc
Autor:
Seyedeh Azam Mousavi, Ashraf Torkian
Publikováno v:
پترولوژی, Vol 14, Iss 1, Pp 1-26 (2023)
The Qorveh batholith, in the N-Sanandaj-Sirjan Zone, comprises several gabbroic, dioritic and granitic masses intruded the Jurassic metamorphic assemblage (i.e., schist, amphibolite and marble). In spite of a number of studies which have been carried
Externí odkaz:
https://doaj.org/article/19e70af590e54096b717046a1136cbf4
Publikováno v:
پترولوژی, Vol 12, Iss 1, Pp 1-18 (2021)
The Meshkin-Rasht Abad area is a small part of the western Alborz-Azarbaijan magmatic belt (AAMB). Field investigations reveal that andesitic-basalt rocks are the dominant rock units of the area with high-K calc-alkaline to shoshonitic affinities. On
Externí odkaz:
https://doaj.org/article/f452a06c20414e7ca95e09a2fd52ace8
Publikováno v:
پترولوژی, Vol 8, Iss 32, Pp 105-126 (2018)
The Darvazeh pluton is located in the south of Qorveh. Olivine gabbro, diorite, quartz monzonite and granite rocks are rock forming of this body, but this paper is focused on the leucocratic to mesocratic rocks (quartz monzonitic and granitic rocks).
Externí odkaz:
https://doaj.org/article/02242f943ef6458d9767303b0bf996ce
Autor:
Majid Shirmohammadi, Ali Asghar Sepahi, José Francisco Santos, Mohammad Maanijou, Ashraf Torkian, Hamed Vahidpour
Publikováno v:
Geological Magazine. :1-25
The Almogholagh–Dehgolan region is in the North Sanandaj–Sirjan zone of NW Iran. The granites of the region are metaluminous and display geochemical and textural characteristics of transitional granites between ferroan (A-type) and I-type granite
Publikováno v:
Geological Magazine. 160:888-904
The Pliocene–Quaternary volcanic rocks which outcrop between Qorveh and Bijar are part of post-collisional within-plate volcanic activity in northern Iran. These mafic alkaline rocks form part of the northern arm of the Sanandaj–Sirjan (Hamedan
Publikováno v:
Journal of African Earth Sciences. 150:194-204
The Sheyda volcano study area, located in the Hamedan-Tabriz volcanic belt of western Iran, is composed of intermediate to acidic volcanic rocks of Miocene age and is partially covered by Plio-Quaternary sedimentary rocks. The igneous rocks have prim
Publikováno v:
International Geology Review. 62:1828-1844
Silicate melt inclusions (SMIs) are small droplets of magma that become trapped in minerals during crystal growth. SMIs in olivine crystals can provide critical information on the range of melt com...
Autor:
Ashraf Torkian
Publikováno v:
Springer Geology ISBN: 9789811316654
The studied area is located in the south to east of the Qorveh (Majidabad and Kangareh; Kurdistan Province) in the Sanandaj-Sirjan zone. Based on field survey, the dykes are gabrroic to gabbro-norite rocks in composition, and followed by granites dyk
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bd804351329a471a56866f14a12cdc3
https://doi.org/10.1007/978-981-13-1666-1_12
https://doi.org/10.1007/978-981-13-1666-1_12
Publikováno v:
Arabian Journal of Geosciences. 11
The Darvazeh intrusion in the northern Sanandaj-Sirjan zone in the Alpine-Himalayan orogenic belt is composed of olivine gabbro, gabbroic diorite and granitoid units that intruded Jurassic metamorphic rocks. Field relations, textures, and whole rock