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257 research outcomes, page 1 of 26
  • publication . Article . 2010
    Open Access Persian
    Authors:
    Majid Hashemi Tangestani; Moslem Azizi;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Esteghlal fireclay mine, northern Abadeh, with dominant composition of kaolinite and pyrophyllite, and annual production of over a million tons, is one of the largest sedimentary deposits in Iran. Linear Spectral Unmixing (LSU) and Mixture Tuned Matched Filtering (MTMF)...

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  • publication . Article . 2016
    Open Access Persian
    Authors:
    Mohammad Sayari; Mortaza Sharifi;
    Publisher: Ferdowsi University of Mashhad

    Introduction<br> Volcanic rocks with a porphyritic texture have experienced two crystallization stages. The first is slow, resulting in phenocrysts, and the second, which took place at, or near the surface, or during intrusion into a cooler body of rock, result in a gro...

  • publication . Article . 2019
    Open Access Persian
    Authors:
    Alireza Ghiasvand; Mohammad Hassan Karimpour; Azadeh Malekzadeh Shafaroudi; Mohammad Reza Haidarian Shahri;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    The Firouzeh mine is located in the Northwest of Neyshabour in the Khorasan Razavi province, Northeast of Iran, and eastern side of the Quchan-Sabzevar Cenozoic magmatic arc. Widespread magmatic activity in the Quchan-Sabzevar arc, is spatially and temporally associated...

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  • publication . Article . 2020
    Open Access Persian
    Authors:
    Farid Abdollahi; Ghasem Nabatian; Jian Wei Li2; Maryam Honarmand; Mohammad Ebrahimi;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Introduction The Iranian plateau is part of the Alpine-Himalayan orogenic belt, which consists of several continental fragments separated from each other by major boundary faults and/or ophiolitic suture zones (Gansser, 1981). Generally, the tectonic evolution of Iran h...

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  • publication . Article . 2013
    Open Access Persian
    Authors:
    Shahrokh Rajabpour; Ali Abedini; Samad Alipour; Leila Zakeri;
    Publisher: Ferdowsi University of Mashhad

    Cheshmeh-Konan area is located ~15 km northwest of Tasuj, East-Azarbaidjan province. The most important lithologic units of the area are red sandstones, green-gray sandstones, shale, and marl (Miocene). Based on field evidence and petrographical investigations, the host...

  • publication . Article . 2011
    Open Access Persian
    Authors:
    Azadeh Malekzadeh Shafaroudi; Mohammad Hassan Karimpour;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Eastern Iran has great potential for porphyry copper deposits, as a result of its past subduction zone tectonic setting that lead to extensive alkaline to calc-alkaline magmatic activity in Tertiary time. Maherabad is the first porphyry Cu-Au prospecting area which is d...

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  • publication . Article . 2018
    Open Access Persian
    Authors:
    Mohammad Maanijou; Leila Khodaei;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Introduction There is an iron mining complex called Shahrak 60 km east of the Takab town, NW Iran. The exploration in the Shahrak deposit (general name for all iron deposits of the area) started in 1992 by the Foolad Saba Noor Co. and continued in several periods until ...

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  • publication . Article . 2017
    Open Access Persian
    Authors:
    Seyed Reza Mehrnia;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Introduction Tekieh Lead-Zinc ore deposit that is located in the Sanandaj-Sirjan structural zone has been recognized as one of the most important mineralized regions in Malayer-Isfahan metallogenic sub-state, south east of Arak (Momenzadeh and Ziseman, 1981). Carbonate ...

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  • publication . Article . 2017
    Open Access Persian
    Authors:
    Mohammad Hassan Karimpour; Azadeh Malekzadeh Shafaroudi; Abbas Esmaeili Sevieri; Saeed Shabani; Julien M. Allaz; Charles R. Stern;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Introduction The Irankuh mining district area located at the southern part of the Malayer-Isfahan metallogenic belt, south of Isfahan, consists of several Zn-Pb deposits and occurrences such as Tappehsorkh, Rowmarmar 5, Kolahdarvazeh, Blind ore, and Gushfil deposits as ...

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  • publication . Article . 2017
    Open Access Persian
    Authors:
    Mir Ali Asghar Mokhtari; Mohammad Ebrahimi; Mohammad Reza Ghorbani;
    Persistent Identifiers
    Publisher: Ferdowsi University of Mashhad

    Introduction The Avan Cu-Fe skarn is located at the southern margin of Qaradagh batholith, about 60 km north of Tabriz. The Skarn-type metasomatic alteration is the result of Qaradagh batholith intrusion into the Upper Cretaceous impure carbonates. The studied area belo...

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257 research outcomes, page 1 of 26