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Fractal analysis of quartz boundaries as a strain rate proxy for tracing Earth’s stress history [PDF]

open access: yesScientific Reports
Understanding strain rates in naturally deformed rocks is crucial for reconstructing the tectonic history of orogenic belts. This study focuses on the Chahzar Thrust Zone, located within the Sanandaj-Sirjan metamorphic zone of southwestern Iran, an ideal
Mehdi Abdolzadeh   +3 more
doaj   +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

Investigation of the evolution of arc: Azadegan magmatic rocks, north of Shahrekord, Sanandaj-Sirjan zone [PDF]

open access: yesپترولوژی, 2021
The magmatic complex of Azadegan, composed of basalt, andesitic basalt, andesite, gabbro and diorite, located 45 km northwest of Shahrekord and in the middle part of the Sanandaj-Sirjan zone..
Maryam Ahankoub   +2 more
doaj   +2 more sources

Garnet-Amphibolites Mineralogy and thermobarometry in Aliabad-Damagh (south of Hamedan, Sanandaj-Sirjan Zone) [PDF]

open access: yesپترولوژی, 2017
The garnet-amphibolites in Aliabad-Damagh area, occurs as layers and are enveloped by staurolite-schist. They composed predominantly of garnet, hornblende, feldspar (± muscovite and quartz) with titanite, epidote, ilmenite and graphite as accessory ...
Ali Akbar Baharifar   +3 more
doaj   +2 more sources

Geochemistry and tectonic setting of basic dykes in the Boroujerd area (Sanandaj- Sirjan Zone) [PDF]

open access: yesپترولوژی, 2017
Basic dykes, trending NE-SW and cross cutting the middle Jurassic granodioritic rocksexposed in the Boroujerd area. They are dark green and fine to medium–grained rocksand are characterized by ophitic to subophitic texture.
Zahra Tahmasbi   +3 more
doaj   +2 more sources

Albin volcanism in Marivan region: Indication of extension in the Sanandaj-Sirjan continental arc [PDF]

open access: yesپترولوژی, 2022
The Marivan region located in the west of Kurdistan province, northwest of Iran and in the structural geological divisions of Iran (Stöcklin and Nabavi, 1973). The Mesozoic volcanic rocks are widespread in the Northern Sanandaj- Sirjan zone in comparison
Akhtar Nezamivand chegini   +1 more
doaj   +1 more source

Granitoids of Sanandaj-Sirjan Zone that are concurrent with Cimmerian Orogeny (178-160 Ma) belong to ilmenite series (S-type): investigation of reason for lacking the porphyry tin mineralization

open access: yesJournal of Economic Geology, 2021
ntroduction The granitic rocks are divided into magnetite and ilmenite series (Ishihara 1977), coinciding spatially with the I-type (εNdi0; (87Sr/86Sr)i~0.704-0.706) and S-type granites (εNdi0.707, N-MORB normalized patterns with enrichment in Low- and ...
Mohammad Hassan Karimpour   +2 more
doaj   +1 more source

Geochemistry and petrogenesis of south Qorveh A-type granitoids (northwest of Sanandaj- Sirjan zone): An evidence for active continental margin tensional tectonic [PDF]

open access: yesپترولوژی, 2020
The studied area (Galali- Varmaqan) located at the northern part of the Sanandaj- Sirjan zone, south of the Qorveh city. The granitic rocks are dominated by quartz, alkali- feldspar and plagioclase.
Majid Shirmohammadi   +3 more
doaj   +1 more source

Geochemistry and Petrogenesis of Mata Lower Jurassic basaltic rocks, Southeast Kerman, Implication to Southern Sanandaj-Sirjan zone evolution [PDF]

open access: yesپترولوژی, 2019
Lower Jurassic volcanic-sedimentary sequence in the southern end of the Sanandaj-Sirjan zone, north of Mata village (southwest Jiroft), composed of tuffaceous limestone, calcareous tuff, limestone, including felsic volcaniclastic and basaltic volcanic ...
Zahra Badrzadeh
doaj   +1 more source

Petrology and geochemistry of Noraldinabad rhyolites, NW Iran [PDF]

open access: yesپترولوژی, 2023
Felsic igneous rocks record crustal evolutions and provide an important tool for determining the composition and modification of the crust (Zhang et al., 2018). Up to now, several classifications have been proposed for granites and rhyolites.
Mohammad Hosseinikia   +2 more
doaj   +1 more source

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