Výsledky vyhledávání - "Zahra Alaminia"

Akademický článek

The formation model for the Komsheche barite in Triassic carbonate deposits, NE Isfahan, Central Iran: Insights from mineralogy, stable isotopes, and fluid inclusions

Autor: Nakisa Tayebi, Zahra Alaminia, Ali Bahrami

Publikováno v: Journal of Economic Geology, Vol 16, Iss 2, Pp 95-134 (2024)

In the western boundary region of Central Iran with Sanandaj-Sirjan, considering the widespread carbonate units in the northeastern Isfahan area, the barite deposits have considerable potential. The Komsheche barite, hosted in the Middle Triassic Sho

Externí odkaz: https://doaj.org/article/69d0155ec5594532970a8c8d8ae9f194

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Akademický článek

Barite Replacement as a Key Factor in the Genesis of Sediment-Hosted Zn-Pb±Ba and Barite-Sulfide Deposits: Ore Fluids and Isotope (S and Sr) Signatures from Sediment-Hosted Zn-Pb±Ba Deposits of Iran

Autor: Abdorrahman Rajabi, Pouria Mahmoodi, Pura Alfonso, Carles Canet, Colin Andrew, Saeideh Azhdari, Somaye Rezaei, Zahra Alaminia, Somaye Tamarzadeh, Ali Yarmohammadi, Ghazaleh Khan Mohammadi, Rasoul Saeidi

Publikováno v: Minerals, Vol 14, Iss 7, p 671 (2024)

Iran hosts more than 350 Precambrian to Cenozoic sediment-hosted Zn-Pb±Ba and barite-sulfide deposits, including shale-hosted massive sulfide (SHMS, also called SEDEX) and Irish-type and Mississippi Valley-type (MVT) mineralization, and barite is a

Externí odkaz: https://doaj.org/article/be27d66d73f24d8d9b334a6298f58c84

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Akademický článek

Evolution of ore- forming fluids in Dashkasan gold deposit, NE Qorveh, West of Iran, based on tourmaline chemical composition and fluid inclusion data

Autor: Mohammad Moradi, Zahra Alaminia, Ebrahim Tale Fazel, Mahin Mansouri Esfahani

Publikováno v: پترولوژی, Vol 14, Iss 2, Pp 31-58 (2023)

Tourmaline is a borosilicate mineral with general formula of XY3Z6[T6O18](BO3)3V3W. Experimental studies demonstrate a wide range of stability for tourmaline-supergroup minerals to record different geological processes. They occur in metamorphic, gra

Externí odkaz: https://doaj.org/article/6d054151be3940e4a15629ee2eecfa1f

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Akademický článek

Petrology, trace and rare earth elements geochemistry, and tectonic setting of basic- intermediate volcanic rocks from northwest of Nain, Isfahan

Autor: farzaneh khademian, Zahra Alaminia, Ali Ghasemi, Alireza Nadimi

Publikováno v: پترولوژی, Vol 13, Iss 4, Pp 1-34 (2022)

Received: 3 August 2022Accepted: 2 January 2022 KeywordsVolcanic rocksCalc-alkaline seriesEnriched mantleGarnet-lherzoliteSubduction zoneCentral part of Urumieh- Dokhtar zone ?????????????????????????????10.22108/ijp.2023.134625.1285 IntroductionThe

Externí odkaz: https://doaj.org/article/7ecf7e4139e54c02abab994f6f231c06

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Akademický článek

New hypothesis on time and thermal gradient of subducted slab with emphasis on dolomitic and shale host rocks in formation of Pb-Zn deposits of Irankuh-Ahangaran belt

Autor: Mohammad Hassan Karimpour, Azadeh Malekzadeh Shafaroudi, Zahra Alaminia, Abbas Esmaeili Sevieri, Charles R. Stern

Publikováno v: Journal of Economic Geology, Vol 10, Iss 2, Pp 677-706 (2019)

Introduction Mississippi Valley-Type (MVT) deposits are epigenetic zinc and lead deposits with minor copper hosted by dolostone, limestone, and locally sandstone in platform carbonate sequences inboard of major orogenic belts (Leach and Sangster, 19

Externí odkaz: https://doaj.org/article/925dc61664684cf8a0acebf1e5386063

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Akademický článek

Geochemical and geophysical investigations, and fluid inclusion studies in the exploration area of Zafarghand (Northeast Isfahan, Iran)

Autor: Zahra Alaminia, Hashem Bagheri, Maryam Salehi

Publikováno v: Journal of Economic Geology, Vol 9, Iss 2, Pp 295-312 (2017)

Introduction Urumieh-Dokhtar Magmatic Arc (UDMA) is a good prospective area for Cu, Cu-Mo and Cu-Au deposits (Fig. 1A and B). The Zafarghand district is located in the central part of the UDMA and the northeastern Isfahan. The present study concerns

Externí odkaz: https://doaj.org/article/610709591b164a45aeb87d30aadb1930

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Akademický článek

Investigation of the geochemical and mineralogical characteristics of the dikes associated with copper mineralization at the southeastern Ardestan (NE Isfahan)

Autor: Maryam Salehi, Zahra Alaminia, Mahin Mansouri Esfahani

Publikováno v: پترولوژی, Vol 8, Iss 30, Pp 81-98 (2017)

The Ardestan study area lies in the northeast of Isfahan and at the outer margin of Urumieh -Dokhtar Volcanic Arc (UDMA). In this area, copper mineralization is associated with dikes. Mineralization occurred as sulfides (chalcocite, chalcopyrite and

Externí odkaz: https://doaj.org/article/44e616dfdb97427a9687deeb4da3565e

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Akademický článek

Mineralization and trace element distribution in pyrite using EMPA in exploration drill holes from Cheshmeh Zard gold district, Khorasan Razavi Province, Iran

Autor: Zahra Alaminia, Mohammad Hassan Karimpour, eyed Massoud Homam

Publikováno v: Journal of Economic Geology, Vol 7, Iss 2, Pp 203-223 (2015)

Introduction Pyrite is the most abundant sulfide mineral in low sulfidation ore deposits. Experimental studies have shown that low-temperature ( 200°C) from hydrothermal or metamorphic fluids (Butler and Rickard, 2000). Framboidal pyrite mostly occ

Externí odkaz: https://doaj.org/article/17139833f7cc443b917392d3a700f6e6

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Akademický článek

Petrology, geochemistry and mineralization of Tertiary volcanic rocks associated with subvolcanic intrusive bodies, with special reference to age dating and origin of granites from Arghash – Ghasem-Abad area, NE Iran

Autor: Zahra Alaminia, Mohammad Hassan Karimpou, Seyed Masoud Homam, Fritz Finger

Publikováno v: Journal of Economic Geology, Vol 5, Iss 1, Pp 1-22 (2013)

Arghash – Ghasem-Abad area in NE Iran is located in the rim of the Sabzevar structural zone. Tertiary outcrops include granite and quartz monzodiorite porphyry associated with dacite and andesite volcanic rocks. In the study area, quartz gabbro and

Externí odkaz: https://doaj.org/article/f56047120ae04081843de1f4d1c53902

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Akademický článek

Geology, alteration, mineralization and geochemical study in Kalateh Taimour area, NE Iran

Autor: Zahra Alaminia, Mohammad Hassan Karimpour, Mohammad Reza Haidarian Shahri

Publikováno v: Journal of Economic Geology, Vol 2, Iss 2, Pp 217-234 (2011)

The area is located 20 km northwest of Kashmar and about 4 km of Kalateh Taimour in Khorasan Razavi province. The study area is part of Tertiary volcanic-plutonic belt north of Daruneh fault and its situation in tectonic inliers between two important

Externí odkaz: https://doaj.org/article/a78399cdc5554d9c9c4ac1582a8a3faf

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