Results 11 to 20 of about 1,166,788 (193)

Tectonomagmatic settings of Jurassic granitoids in the Sanandaj-Sirjan Zone, Iran: A review [PDF]

open access: yesGeologos, 2022
Abstract The present paper discusses the geochemical affinities, origin and ages of Jurassic granitoids of the Sanandaj-Sirjan Zone (SaSZ) in the eastern part of the Zagros Thrust Zone. A multidisciplinary, integrated approach was carried out using existing granitoid geochemical data (major, trace, rare earth element and isotopes) and ...
Karimpour Mohammad Hassan   +2 more
openaire   +3 more sources

Petrological Evolution of the Upper Mantle Beneath the Southern Sanandaj-Sirjan Zone: Evidence from Kuhshah Peridotite Massif, Southeast Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2014
The Kuhshah ultramafic complex is located in the south-east of Sanandaj-Sirjan metamorphic zone, near the probable remnants of Neotethys plate in Iran. It consists of highly depleted harzburgites, dunites, chromitite bands and altered gabbros.
H. Ahmadipour
doaj   +2 more sources

Petrography, Mineral Chemistry and Geothermobarometry of Andalusite- Bearing Schists North of Azna (Northern Sanandaj-Sirjan Zone, Iran)

open access: yesJournal of Economic Geology, 2016
Introduction The area studied is located north of Azna (Lorestan Province) in a small portion of the Sanandaj – Sirjan structural zone (Mohajjel et al., 2003).This area is part of the Zagros orogenic belt, formed by the opening and closure of Neotethyan
Karim Abdollahi Silabi   +2 more
doaj   +1 more source

Mineralogy and sulfide mineral chemistry of Khabr iron ore, Southwest of Baft (Southeast of Sanandaj-Sirjan Zone) [PDF]

open access: yesپترولوژی
Introduction The Khabr iron ore is located in about 55 km southwest of Baft and 15 km northeast of Khabr in the southeastern part of the Sanandaj-Sirjan zone. This zone hosts a large number of iron deposits of Iran such as Golegohar in Sirjan.
Mohammad Boomeri   +3 more
doaj   +3 more sources

Origin of tourmaline in micaschists of ‎Gol-e-Gohar metamorphic complex from south-eastern Sanandaj-Sirjan Zone (Baft, Kerman Province)‎ [PDF]

open access: yesپترولوژی, 2018
In Gol-e-Gohar micaschists from south-east Sanandaj-Sirjan Zone (Kerman province), there are tourmaline crystals which are enriched in  Mg and Na (Mg: 1.830 a.p.f.u and Na: 0.680 a.p.f.u), and so, they are dravite in compositions belonging  to alkaline ...
Hosein Fatehi   +2 more
doaj   +3 more sources

Tectonic significance of Triassic mafic rocks in the June Complex, Sanandaj–Sirjan zone, Iran [PDF]

open access: yesSwiss Journal of Geosciences, 2017
ISSN:1661 ...
Farzaneh Shakerardakani   +5 more
openaire   +4 more sources

Contribution of ultramafic rocks in central Sanandaj-Sirjan zone to the characterizing of physio-chemical condition during initiation of subduction [PDF]

open access: yesپترولوژی, 2018
In the central part of the Sanandaj-Sirjan zone, there is an ultramafic rock exposure (hornblendite and pyroxenite) adjacent to Molataleb felsic complex completely located between Azna and Aligoodarz towns.
Amir Esna-Ashari, Fatemeh Sarjoughian
doaj   +3 more sources

Discovery of Late Mississippian (late Serpukhovian)-Early Pennsylvanian (earliest Bashkirian?) foraminiferal assemblages from the Sanandaj-Sirjan Zone, Iran: Biostratigraphic and palaeoenvironmental implications. [PDF]

open access: yesGeol J (Chichester), 2023
The new discovery of the Late Mississippian (late Serpukhovian)–Early Pennsylvanian (early Bashkirian?) foraminiferal assemblages, providing the palaeoecological data about the upper Serpukhovian–lowermost Bashkirian? foraminiferal faunas, and identifying the depositional environments of the Sanandaj–Sirjan Zone during this time, as well as describing ...
Fassihi S   +3 more
europepmc   +2 more sources

Geochemistry and Petrogenesis of metabasites from the Gol-e-Gohar Complex in southern Sanandaj-Sirjan metamorphic zone, South of Iran; Evidences for crustal extension and magmatism at early Palaeozoic [PDF]

open access: yesGeologica Acta, 2018
In Gol-e-Gohar metamorphic Complex from south-eastern Sanandaj-Sirjan metamorphic zone (Kerman province, Iran), there are two types of metabasites contain layered metamorphosed lava flows and the younger meta-gabbros.
H. FATEHI, H. AHMADIPOUR
doaj   +2 more sources

Biotite and Hornblende Composition Used to Investigate the Nature and Thermobarometry of Pichagchi Pluton, Northwest Sanandaj-Sirjan Metamorphic Belt, Iran [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2008
Pichagchi pluton is situated in the northeastern part of the Soursat complex in Sanandaj-Sirjan metamorphic belt of Iran. The pluton with the age of 74.20 Ma is composed mainly granodiorite, diorite, and tonalite in which mafic minerals are biotite and ...
doaj   +2 more sources

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