Mineralization and geochemistry of manganese ore related to Kamyaran ophiolites-NW of Iran

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RAHIMZADEH B.; MOVAHEDNIA M.

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Journal: GEOSCIENCES Year:2019 | Volume:29 | Issue:113 Page(s): 199-210

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Title

Mineralization and geochemistry of manganese ore related to Kamyaran ophiolites-NW of Iran

Author(s)

RAHIMZADEH B. | MOVAHEDNIA M. | Issue Writer Certificate

Keywords

Manganese depositQ1

Volcano-sedimentaryQ2

OphioliteQ2

Cyprus-typeQ1

AfarianQ1

PashabadQ1

KamyaranQ1

Abstract

Manganese mineralization in Afarian-Pashabad were formed in five district which are hosted by Volcano-sedimentary sequence of the upper part of Ophiolite sequence in northwest of Kamyaran. Structurally, this area is located in boundary of two Zagros and Sanandaj-Sirjan structural zones. The host rocks includes shale, tuffaceous shale and radiolarian chert which are overling pillow basalt unit. Minerallogy of lenticular ore body which is concordant with host rock bedding, includes braunite, pyrolusite, Bixbyite, hematite. Calcite and quartz is main gangue minerals. Massive, banded, botryoidal, replacement and breacciated textures are common. Geochemical evidences such as Mn/Fe, Co/Ni and Cu/Zn ratios and some geochemical diagrams indicate that hydrothermal origin of ore forming fluids. Afarian-Pashabad Mn deposits, in comparison with different types of volcanogenic Manganese deposits shows broad similarities with the Cyprus-type Mn deposits such as geodynamic setting, host and associated rock types, geometry, textures, structures, mineralogy and geochemistry. Studied deposits comparable with some Iranian Ophiolite-related Manganese deposits such as deposits in Harsin, Khoy, Birjand and Rudan Ophiolites.

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APA: Copy

RAHIMZADEH, B., & MOVAHEDNIA, M.. (2019). Mineralization and geochemistry of manganese ore related to Kamyaran ophiolites-NW of Iran. GEOSCIENCES, 29(113 ), 199-210. SID. https://sid.ir/paper/31383/en

Vancouver: Copy

RAHIMZADEH B., MOVAHEDNIA M.. Mineralization and geochemistry of manganese ore related to Kamyaran ophiolites-NW of Iran. GEOSCIENCES[Internet]. 2019;29(113 ):199-210. Available from: https://sid.ir/paper/31383/en

IEEE: Copy

B. RAHIMZADEH, and M. MOVAHEDNIA, “Mineralization and geochemistry of manganese ore related to Kamyaran ophiolites-NW of Iran,” GEOSCIENCES, vol. 29, no. 113 , pp. 199–210, 2019, [Online]. Available: https://sid.ir/paper/31383/en

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