Petrography, geochemistry and petrogenesis of high-silica Adakitic rocks from Bayram Abad area in the northwest Neyshabour (Northeast of Iran) [PDF]
پترولوژی, 2021 The volcanic rocks of Bayram Abad area, located 12 km northwest of Neyshabour, are dominated by the Paleogene units composing of dacite and andesite rocks.
mohammad ebrahim fazel valipour
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Evolution of the volcanic mechanism in the central part of the Urumieh-Dokhtar magmatic arc
Journal of Economic Geology, 2021 Introduction Cenozoic volcanic activities in the Urumieh-Dokhtar Magmatic Arc (UDMA) have occurred in three main pulses of Eocene, upper Oligocene-Pliocene, and Pio-Quaternary (Dilek et al., 2010, Sayari, 2015).
Mohammad Sayari , Mortaza Sharifi
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Geosciences, 2022 Adakites are Y- and Yb-depleted, SiO2- and Sr-enriched rocks with elevated Sr/Y and La/Yb ratios originally thought to represent partial melts of subducted metabasalt, based on their association with the subduction of young ( 20 ppm) arc basalts in ...
Pavel Kepezhinskas +3 more
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Crust-Mantle Interaction Controls the Formation of High-Mg Adakitic Rocks: Evidence from Early Cretaceous Intrusive Complexes in Luxi Terrane, North China Craton [PDF]
Lithosphere, 2023 High-Mg adakite rocks preserve crucial information about the crust-mantle interactions during the magma evolution. The Luxi Terrane, southeastern North China Craton, stores a set of Early Cretaceous high-Mg adakite rocks; nevertheless, their petrogenesis
Songyan Liu +6 more
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Petrographic and petrogenetic studies of adakitic magmatism of Gavdel (Shivar Dagh) in Garehdagh-South Arminian Zone (Northwest of Iran) (Irankuh Pb-Zn deposit, Southwest of Isfahan) [PDF]
پترولوژی, 2017 Gavdel intrusive body, situated in NW Iran and NE of Uromieh-Dokhtar zone, is a part of Garehdagh, South-Arminian Zone (Arasbaran). The major outcrops of intrusive include of granodiorite, monzonite accompanied with granodioritic dyke.
Ahmad Jahangiri, Hossien Bahmodinia
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Geochemistry and petrogenesis of Eocene shoshonitic and adakitic volcanic rocks in Sonajeel area (Southeast of Heris, Eastern Azerbaijan) [PDF]
پترولوژی, 2018 The studied area is located in the SE of Heris (Eastern Azerbaijan province) and the Alborz-Azerbaijan structural zone. The Eocene volcanic rocks in the area of under study show various compositions ranging from olivine basalt, hornblende basalt ...
Nasibeh Nemati +2 more
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New insights on the geochemical affinity and age of mineralized rocks in Timok magmatic complex, East Serbia [PDF]
Geološki Anali Balkanskoga Poluostrva, 2023 Bor and Čukaru Peki are world-class porphyry deposits spatially and genetically associated with the Cretaceous Timok magmatic complex. This research was conducted to determine the age and geochemical affinity of the magmatic rocks that formed these ore ...
Velojić Miloš +6 more
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Journal of Economic Geology, 2021 Introduction About 75% of world copper, 50% of molybdenum, and 20% of gold are produced from porphyry copper deposits (Sillitoe, 2010) with an average ore grade of 0.45–1.5% Cu, 0.007–0.04% Mo and up to 1.5 ppm Au.
Mohammad Hassan Karimpour +3 more
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Geochemistry and Isotope Geology of Adakitic Domes from Chakane Area in South of Quchan (Northeast of Iran) [PDF]
پترولوژی, 2019 The Chekneh subvolcanic domes with dacite and trachydacite compositions from the Miocene is located 110 km NE of Sabzevar, and are parts of the North Sabzevar-South Ghochan magmatic belt.
Mehdi Rezaei-Kahkhaei +3 more
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Origin of Dehaj Pliocene hyalo-andesite rocks in NW of Kerman: constraints on Sr and Nd isotopic ratios [PDF]
پترولوژی, 2022 IntroductionThe Urumieh-Dokhtar Magmatic assemblage includes various volcanic and intrusive rocks from Eocene to the Pleistocene. The dominant theory in describing the tectonomagmatic environment of the Urumieh-Dokhtar Magmatic assemblage emphasizes the ...
Sayed Zia Hosseini, Hadi Shahriari
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