Study of geology, mineralogy and geochemistry of the Robaei iron deposit, South of Damghan

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FARDOOST F.; Abdollahi Hydarbaghi A.; BALUCHI S.

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:115 Page(s): 61-74

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Title

Study of geology, mineralogy and geochemistry of the Robaei iron deposit, South of Damghan

Author(s)

FARDOOST F. | Abdollahi Hydarbaghi A. | BALUCHI S. | Issue Writer Certificate

Keywords

GeologyQ1

MineralogyQ1

GeochemistryQ2

IronQ2

RobaeiQ1

DamghanQ2

Abstract

The Robaei Iron deposit is located in 96km south of Damghan. Host rocks of deposit are Late Cretaceous limestones (part I) and Eocene volcano-sedimentary rocks including sandy tuff (part II. ( The alterations include chloritization, epidotization, argillation, silicification, carbonatization and hematitization. Minerals forming can be divided into three groups; Iron minerals (hematite, magnetite, pyrite, pyrrotite goethite and limonite), copper-minerals (chalcopyrite, chalcocite, covellite and malachite) and gangue minerals (calcite, dolomite, quartz, garnet, epidote and chlorite). The structure and textures of ore minerals are massive, vein-veinlet, open space filling and disseminated. In part I, the metals grade of Fet is about 60%, Cu 0. 7 % and Au 2. 7 ppm and in the part II, the Fet are variables between 5. 88 to 82. 91% (average 31. 2%), Cu between 275 to 20761 ppm and Au 0. 89 ppm. Fluid inclusion studies were carried out on quartz mineral from the part II that homogenization temperature is frequency variables between 200 to 249° C with salinity of 2-4% wt. %NaCl. Based on the results of this investigation, part I has similarities with calcic skarn of low temperature and part II showed more similarities with Iron oxide-copper-gold (IOCG) deposits.

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APA: Copy

FARDOOST, F., Abdollahi Hydarbaghi, A., & BALUCHI, S.. (2020). Study of geology, mineralogy and geochemistry of the Robaei iron deposit, South of Damghan. GEOSCIENCES, 29(115 ), 61-74. SID. https://sid.ir/paper/376950/en

Vancouver: Copy

FARDOOST F., Abdollahi Hydarbaghi A., BALUCHI S.. Study of geology, mineralogy and geochemistry of the Robaei iron deposit, South of Damghan. GEOSCIENCES[Internet]. 2020;29(115 ):61-74. Available from: https://sid.ir/paper/376950/en

IEEE: Copy

F. FARDOOST, A. Abdollahi Hydarbaghi, and S. BALUCHI, “Study of geology, mineralogy and geochemistry of the Robaei iron deposit, South of Damghan,” GEOSCIENCES, vol. 29, no. 115 , pp. 61–74, 2020, [Online]. Available: https://sid.ir/paper/376950/en

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