Rashidi copper vein deposit, North Khur, Eastern Iran: hydrothermal alteration, mineralization, geochemistry, fluid inclusion and stable isotope investigations

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JAVIDI MOGHADDAM MARYAM; KARIMPOUR M.H.; MALEKZADEH SHAFAROUDI AZADEH

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:116 Page(s): 265-276

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Title

Rashidi copper vein deposit, North Khur, Eastern Iran: hydrothermal alteration, mineralization, geochemistry, fluid inclusion and stable isotope investigations

Author(s)

JAVIDI MOGHADDAM MARYAM | KARIMPOUR M.H. | MALEKZADEH SHAFAROUDI AZADEH | Issue Writer Certificate

Keywords

MineralizationQ2

Fluid inclusionQ2

Stable isotopeQ2

RashidiQ1

Lut blockQ2

Abstract

The Rashidi area, which comprises a part of the north Khur in eastern Iran is located at 120 km northwest of Birjand city. Preliminary prospecting in the area using the image processing of ASTER data by Spectral Angle Mapper (SAM) algorithm resulted in the identification of propylitic and argillic alteration zones together with iron oxy-hydroxide minerals. The area consist of outcrops of Eocene pyroclastic rocks ranging from andesitic to rhyolitic in composition, intruded by diorite porphyry dikes. Vein Mineralization in the area was mainly occurred along a fracture system hosted by andesitic tuff breccia unit. Vein copper Mineralization was formed during two stages including the: (1) quartz-pyrite-chalcocite-tennantite assemblage, and (2) quartz-chalcocite-pyrite-sphalerite assemblage. The values of δ 18O for quartz in the first and second stages of vein Mineralization was 19. 26 and 14. 94 and the amount of δ 18O water in equilibrium with quartz was 10. 96 and 4. 94 respectively that shows a magmatic origin and mixing with meteoric water in the second stage. Based on geology, vein geometry, Fluid inclusion, and Stable isotope geochemistry, the Rashidi Cu deposit can be classified as vein-type copper deposits, which has been formed along fault zones.

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APA: Copy

JAVIDI MOGHADDAM, MARYAM, KARIMPOUR, M.H., & MALEKZADEH SHAFAROUDI, AZADEH. (2020). Rashidi copper vein deposit, North Khur, Eastern Iran: hydrothermal alteration, mineralization, geochemistry, fluid inclusion and stable isotope investigations. GEOSCIENCES, 29(116 ), 265-276. SID. https://sid.ir/paper/392187/en

Vancouver: Copy

JAVIDI MOGHADDAM MARYAM, KARIMPOUR M.H., MALEKZADEH SHAFAROUDI AZADEH. Rashidi copper vein deposit, North Khur, Eastern Iran: hydrothermal alteration, mineralization, geochemistry, fluid inclusion and stable isotope investigations. GEOSCIENCES[Internet]. 2020;29(116 ):265-276. Available from: https://sid.ir/paper/392187/en

IEEE: Copy

MARYAM JAVIDI MOGHADDAM, M.H. KARIMPOUR, and AZADEH MALEKZADEH SHAFAROUDI, “Rashidi copper vein deposit, North Khur, Eastern Iran: hydrothermal alteration, mineralization, geochemistry, fluid inclusion and stable isotope investigations,” GEOSCIENCES, vol. 29, no. 116 , pp. 265–276, 2020, [Online]. Available: https://sid.ir/paper/392187/en

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