MINERALOGY, GEOCHEMISTRY, FLUID INCLUSION STUDY AND GENESIS OF HOMEIJAN MAGNETITE- APATITE MINERALIZATION, SW BEHABAD, YAZD PROVINCE

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Amirkhani R.; EBRAHIMI M.; MOKHTARI M.A.A.; AZIMZADEH A.M.

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Journal: GEOSCIENCES Year:2017 | Volume:26 | Issue:103 Page(s): 83-100

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Title

MINERALOGY, GEOCHEMISTRY, FLUID INCLUSION STUDY AND GENESIS OF HOMEIJAN MAGNETITE- APATITE MINERALIZATION, SW BEHABAD, YAZD PROVINCE

Author(s)

Amirkhani R. | EBRAHIMI M. | MOKHTARI M.A.A. | AZIMZADEH A.M. | Issue Writer Certificate

Keywords

MAGNETITE- APATITE MINERALIZATIONQ1

HOMEIJANQ1

BEHABADQ2

POSHT-E-BADAM BLOCKQ2

CENTRAL IRANQ2

Abstract

The study area which is introduced as HOMEIJAN MAGNETITE- APATITE MINERALIZATION in this paper, is a part of the POSHT-E-BADAM BLOCK in the CENTRAL IRANian Zone and is located at ~12Km southwest of BEHABAD. This area is composed of volcano-sedimentary rocks and acidic- basic intrusions of Precambrian and Cambrian age. MAGNETITE- APATITE MINERALIZATIONs are present as lenses near the southwestern part of the HOMEIJAN village, which are hosted by acidic- intermediate tuffaceous rocks and dolomites. Magnetite, oligist (hematite), pyrite and chalcopyrite are the main ore minerals and apatite, pyroxene, tremolite- actinolite, calcite and quartz are as gangue minerals in the HOMEIJAN Fe mineralization. Based on field and mineralogical studies, this mineralization texturally includes massive, brecciated, vein- veinlets and replacement textures. Chemical analyses of samples indicate that the mineralization has high concentrations of REEs up to 2.5 % in the apatite crystals. Geochemical studies demonstrate that Fet have high negative correlation with P2O5, SiO2 and SREE while there is a high positive correlation between SREE and P2O5. SEM-EDS qualitative analyses of apatite crystals indicate two REE bearing minerals including monazite and allanite as inclusions within the apatites. Furthermore, this study demonstrates that the apatite crystals are flour- apatite. Fluid inclusion studies within the apatite crystals indicate that main salinity varies between 7.86-13.9 wt.% NaCl and homogenization temperature is between 240-370oC. Comparing of REE patterns of HOMEIJAN MAGNETITE- APATITE MINERALIZATION with other iron oxide- apatite mineralizations of POSHT-E-BADAM BLOCK and Kiruna- type iron ores indicate similarities between these patterns. Generally, based on field and geochemical studies, the HOMEIJAN MAGNETITE- APATITE MINERALIZATION classified as Kiruna- type Fe deposit.

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APA: Copy

Amirkhani, R., EBRAHIMI, M., MOKHTARI, M.A.A., & AZIMZADEH, A.M.. (2017). MINERALOGY, GEOCHEMISTRY, FLUID INCLUSION STUDY AND GENESIS OF HOMEIJAN MAGNETITE- APATITE MINERALIZATION, SW BEHABAD, YAZD PROVINCE. GEOSCIENCES, 26(103), 83-100. SID. https://sid.ir/paper/32404/en

Vancouver: Copy

Amirkhani R., EBRAHIMI M., MOKHTARI M.A.A., AZIMZADEH A.M.. MINERALOGY, GEOCHEMISTRY, FLUID INCLUSION STUDY AND GENESIS OF HOMEIJAN MAGNETITE- APATITE MINERALIZATION, SW BEHABAD, YAZD PROVINCE. GEOSCIENCES[Internet]. 2017;26(103):83-100. Available from: https://sid.ir/paper/32404/en

IEEE: Copy

R. Amirkhani, M. EBRAHIMI, M.A.A. MOKHTARI, and A.M. AZIMZADEH, “MINERALOGY, GEOCHEMISTRY, FLUID INCLUSION STUDY AND GENESIS OF HOMEIJAN MAGNETITE- APATITE MINERALIZATION, SW BEHABAD, YAZD PROVINCE,” GEOSCIENCES, vol. 26, no. 103, pp. 83–100, 2017, [Online]. Available: https://sid.ir/paper/32404/en

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