Study of iron mineralization in Tekieh Bala iron index, based on mineralogical and geochemical evidence

Abstract The Tekieh Bala iron index is located in the south east of Kordestan province in Sanandaj- Sirjan geotectonic zone. Exposed rocks at the study area are including granite, gabbro, diorite, quartzmonzonite, quartzmonzodiorite and actinolite schist to chlorite schist.Orebody is located in the...

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Bibliographic Details
Published in:Pitruluzhī (Online) 2018-01, Vol.8 (32), p.167-196
Main Authors: Mehrdad Barati, Zahra Ghilzar Khojasteh, meisam Gholipoor
Format: Article
Language:per
Subjects:
Kiruna-type
Kordestan province
Magnetite
Schist
Tekieh Bala
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Summary:Abstract The Tekieh Bala iron index is located in the south east of Kordestan province in Sanandaj- Sirjan geotectonic zone. Exposed rocks at the study area are including granite, gabbro, diorite, quartzmonzonite, quartzmonzodiorite and actinolite schist to chlorite schist.Orebody is located in the fault-beratited zone. Magnetite, hematite, goethite, limonite and pyrite included iron minerals in this index. Epidotization, chloritization, sericitization, actinolitization and silicification are the main alteration around the orebody. Geochemical studies of major and trace elements from the magnetite ore and use of diagrams provided by the various researchers shows that this index placed in group of iron oxide deposits, IOA sub-type and IOCG-type. REE Studies have shown, patterns of these elements, and calculated differential parameters emphasize the similarity of this deposit and IOA-type. Ore forming fluids were formed in differentiation and crystalization of intermediate intrusions rocks as a iron-rich hydrothermal fluids, mixing with the meteoric waters has been led to change in the environmental conditions and deposition of orebody.
ISSN:2228-5210
2322-2182
DOI:10.22108/ijp.2017.81995.0