FIELD RELATIONS, GEOCHEMISTRY AND GEODYNAMIC SETTING OF THE BANDAN CHROMITE MINE, EASTERN IRAN

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DELAVARI M.; AMINI S.; SACCANI E.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2011 | Volume:19 | Issue:2 Page(s): 241-250

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Information Journal Paper

Title

FIELD RELATIONS, GEOCHEMISTRY AND GEODYNAMIC SETTING OF THE BANDAN CHROMITE MINE, EASTERN IRAN

Author(s)

DELAVARI M. | AMINI S. | SACCANI E. | Issue Writer Certificate

Keywords

PODIFORM CHROMITEQ2

HIGH-AL TYPEQ2

BANDAN MINEQ2

EASTERN IRANQ2

Abstract

The Bandan chromite mine is the main chromite deposit in Sistan suture zone, eastrn Iran. The chromite deposits are structurally tabular to lens-shaped bodies hosted by dunitic to harzburgitic mantle periodontitis. Similar to Alpine type PODIFORM CHROMITEs, chromitite pods are enclosed within dunitic envelops. The chromites show mainly massive to disseminated and also brecciated textures. Chemically, the Cr/Fe ratio is higher than 2 and TiO2 content in accordance with ophiolitic chromites is low (<0.2 wt. %). As a result of low Cr# (Cr#=Cr×100/ (Cr+Al)) ranging from 50 to 52 the Bandan chromite deposit is HIGH-AL TYPE. Calculated parental melt chemistry shows MORB (Mid-ocean ridge basalt) -type signature with Al2O3 and FeO/MgO ratio contents of 15-16 and 1.1-1.2, respectively. Although the geodynamic setting of high-Al PODIFORM CHROMITE’s have been debated but petro graphical- geochemical characteristics of ophiolitic mantle-crust sequences may relate chromite genesis to supra seduction zone setting.

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APA: Copy

DELAVARI, M., AMINI, S., & SACCANI, E.. (2011). FIELD RELATIONS, GEOCHEMISTRY AND GEODYNAMIC SETTING OF THE BANDAN CHROMITE MINE, EASTERN IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 19(2), 241-250. SID. https://sid.ir/paper/4080/en

Vancouver: Copy

DELAVARI M., AMINI S., SACCANI E.. FIELD RELATIONS, GEOCHEMISTRY AND GEODYNAMIC SETTING OF THE BANDAN CHROMITE MINE, EASTERN IRAN. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2011;19(2):241-250. Available from: https://sid.ir/paper/4080/en

IEEE: Copy

M. DELAVARI, S. AMINI, and E. SACCANI, “FIELD RELATIONS, GEOCHEMISTRY AND GEODYNAMIC SETTING OF THE BANDAN CHROMITE MINE, EASTERN IRAN,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 19, no. 2, pp. 241–250, 2011, [Online]. Available: https://sid.ir/paper/4080/en

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