NEW RESULTS ON MINERALOGRAPHY AND CRYSTAL CHEMISTRY OF MAGNETITE AND PYRITE AT BABA-ALI & GALALI IRON DEPOSITS, WEST OF HAMEDAN, IRAN

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ROSTAMI PAYDAR GH.; LOTFI M.; GHADERI M.; AMIRI A.; VOSSOUGHI ABEDINI M.

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Journal: GEOSCIENCES Year:2010 | Volume:20 | Issue:77 Page(s): 121-130

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Title

NEW RESULTS ON MINERALOGRAPHY AND CRYSTAL CHEMISTRY OF MAGNETITE AND PYRITE AT BABA-ALI & GALALI IRON DEPOSITS, WEST OF HAMEDAN, IRAN

Author(s)

Keywords

MINERALOGRAPHYQ3

CRYSTAL-CHEMISTRYQ3

SCANNING ELECTRON MICROSCOPYQ3

IRON OREQ3

BABA-ALIQ3

GALALIQ2

Abstract

Baba-Ali and GALALI iron deposits in west of Hamedan are emplaced within the Songhor volcano-sedimentary sequence of Sanandaj-Sirjan geological-structural zone. MINERALOGRAPHY and SEM-EDAX analyses on magnetite IRON OREs at both deposits for better understanding of mineralogy and CRYSTAL-CHEMISTRY of the ores have shown some interesting results. Studies on concentrations of some trace elements such as V, Co, Ni, Cu, Cr, Ti, Au, PGE as well as S and P impurities in the ore indicate that only some of the primary pyrites have considerable concentrations of Pt. It seems that other generations of pyrite and magnetite are depleted in these trace elements. Late stage hydrothermal fluids that lead to mineralization of pyrite in calcite-quartz gangue veins, have also been impotant for gold mineralization and pyrite has actually acted as a favorable carrier for Au. Detection of abundant phlogopite and trace element concentration patterns at GALALI IRON ORE have strengthened volcanogenic magnesian skarn hypothesis.

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References

POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN

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APA: Copy

ROSTAMI PAYDAR, GH., LOTFI, M., GHADERI, M., AMIRI, A., & VOSSOUGHI ABEDINI, M.. (2010). NEW RESULTS ON MINERALOGRAPHY AND CRYSTAL CHEMISTRY OF MAGNETITE AND PYRITE AT BABA-ALI & GALALI IRON DEPOSITS, WEST OF HAMEDAN, IRAN. GEOSCIENCES, 20(77), 121-130. SID. https://sid.ir/paper/32297/en

Vancouver: Copy

ROSTAMI PAYDAR GH., LOTFI M., GHADERI M., AMIRI A., VOSSOUGHI ABEDINI M.. NEW RESULTS ON MINERALOGRAPHY AND CRYSTAL CHEMISTRY OF MAGNETITE AND PYRITE AT BABA-ALI & GALALI IRON DEPOSITS, WEST OF HAMEDAN, IRAN. GEOSCIENCES[Internet]. 2010;20(77):121-130. Available from: https://sid.ir/paper/32297/en

IEEE: Copy

GH. ROSTAMI PAYDAR, M. LOTFI, M. GHADERI, A. AMIRI, and M. VOSSOUGHI ABEDINI, “NEW RESULTS ON MINERALOGRAPHY AND CRYSTAL CHEMISTRY OF MAGNETITE AND PYRITE AT BABA-ALI & GALALI IRON DEPOSITS, WEST OF HAMEDAN, IRAN,” GEOSCIENCES, vol. 20, no. 77, pp. 121–130, 2010, [Online]. Available: https://sid.ir/paper/32297/en

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