Investigation alteration poly-metal Pasghaleh deposit (sheet 1: 100000 Tehran) using remote sensing evidence

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NAMAZI N.; JAFARI M.R.; JAFARI RAD A.R.; KHAKZAD A.

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Journal: GEOSCIENCES Year:2019 | Volume:29 | Issue:113 Page(s): 221-228

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Information Journal Paper

Title

Investigation alteration poly-metal Pasghaleh deposit (sheet 1: 100000 Tehran) using remote sensing evidence

Author(s)

NAMAZI N. | JAFARI M.R. | JAFARI RAD A.R. | KHAKZAD A. | Issue Writer Certificate

Keywords

PasghalehQ2

TehranQ1

Remote-sensingQ2

Sensor ASTER and ETMQ1

AlterationQ1

PropyliticQ2

ArgillicQ2

KurokoQ1

Abstract

The study area (Pasghaleh) is located North of Tehran and is part of the Central Alborz Mountain Range. Pasghaleh deposit between coordinates 51º 25´ 15 ̎ up to 51º 25´ 54̎ Eastern longitude and 35º 49´ 42 ̎ up to 35º 50´ 15 ̎ Northern latitude in North of Tehran, in the geological sheet with a scale of 1: 100000 Tehran and is located East of the Pasghaleh village. Intrusive bodies in this area with age after the Eocene in penetrating Eocene volcanic and pyroclastic units and have altered these units. For mapping minerals and explore the Alteration patterns together with Polymetal mineralization in the metallogenic zone Pasghaleh, for sine satellite ASTER and ETM spectral processing and interpretation. According to remote sensing data, it leads to the appearance of Kaolinite and Montmorillonite minerals (Argillic Alteration index), Chlorite, Epidote and Calcite (Propylitic Alteration index), Muscovite (Sericite Alteration index) and Gossan in the range studied. Major mineralization in the region in acid Tuffs altered and scattered. The lithology of this region including pyroclastic rocks of Karaj Formation with Eocene age. Sulfuric minerals observed Pyrite, Chalcopyrite, Sphalerite and Galena. In the whole region Pyrite expands but Lead mineralization, Zinc, Copper, Gold and Silver which process is parallel to the general layering of classes Tuff Silica altered-Feldspathic-Pyrite slightly observed. Pyrite form syngenetic among the Tuffs. Tuffs in formation stage and in the stage of diagenesis, the Alteration process Sericitic, Kaolinite and or Chlorite have tolerated. In terms of construction, altered zone mineralize Pasghaleh as a lens and layers plate form between rock units Dacite, Rhyodacite are formed. Based on the study of remote sensing data, presence of Alterations Sericite, Argillic and Propylitic (the presence of Chlorite and Epidote) proven in the region, consequently by putting together these Alterations to one another, it can be attributed to the Alteration pattern of Kuroko Massive sulfide deposits.

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APA: Copy

NAMAZI, N., JAFARI, M.R., JAFARI RAD, A.R., & KHAKZAD, A.. (2019). Investigation alteration poly-metal Pasghaleh deposit (sheet 1: 100000 Tehran) using remote sensing evidence. GEOSCIENCES, 29(113 ), 221-228. SID. https://sid.ir/paper/31391/en

Vancouver: Copy

NAMAZI N., JAFARI M.R., JAFARI RAD A.R., KHAKZAD A.. Investigation alteration poly-metal Pasghaleh deposit (sheet 1: 100000 Tehran) using remote sensing evidence. GEOSCIENCES[Internet]. 2019;29(113 ):221-228. Available from: https://sid.ir/paper/31391/en

IEEE: Copy

N. NAMAZI, M.R. JAFARI, A.R. JAFARI RAD, and A. KHAKZAD, “Investigation alteration poly-metal Pasghaleh deposit (sheet 1: 100000 Tehran) using remote sensing evidence,” GEOSCIENCES, vol. 29, no. 113 , pp. 221–228, 2019, [Online]. Available: https://sid.ir/paper/31391/en

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