Comparison of PGE concentration in the chromitites of Khoy Ophiolite: Its implication for the presence of two types of chromitites with two different origins

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ZAEIMNIA F.; KANANIAN A.; MIRMOHAMMADI M.; IMAMALIPOUR A.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2018 | Volume:26 | Issue:2 Page(s): 273-286

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Title

Comparison of PGE concentration in the chromitites of Khoy Ophiolite: Its implication for the presence of two types of chromitites with two different origins

Author(s)

ZAEIMNIA F. | KANANIAN A. | MIRMOHAMMADI M. | IMAMALIPOUR A. | Issue Writer Certificate

Keywords

Platinum group-elementsQ2

chromititesQ2

Raman spectroscopyQ1

Khoy ophioliteQ2

IranQ2

Abstract

Khoy ophiolitic complex in northwest of Iran have several chromitite bodies with various textures, different geochemical features and associated minerals. Based on Cr#, Khoy chromitites are divided into two groups: high-Cr (Cr# > 0. 6) and high-Al (Cr# < 0. 6) chromitites. The high-Cr contain some amount of PGEs with tiny grains of platinum-group minerals (PGM), whereas, high-Al chromitites are poor in PGE with no PGM inclusions. Geochemical analysis and Raman spectroscopy data on PGM inclusions in the high-Cr chromian spinels shows that they are laurite and rarely irarsite in composition. The PGE concentration in high-Cr-and high-Al chromitite reveals that the high-Cr chromitites probably were formed in a magmatic arc tectonic setting and those of high-Al were occurred in a back arc basin environment.

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APA: Copy

ZAEIMNIA, F., KANANIAN, A., MIRMOHAMMADI, M., & IMAMALIPOUR, A.. (2018). Comparison of PGE concentration in the chromitites of Khoy Ophiolite: Its implication for the presence of two types of chromitites with two different origins. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 26(2 ), 273-286. SID. https://sid.ir/paper/388178/en

Vancouver: Copy

ZAEIMNIA F., KANANIAN A., MIRMOHAMMADI M., IMAMALIPOUR A.. Comparison of PGE concentration in the chromitites of Khoy Ophiolite: Its implication for the presence of two types of chromitites with two different origins. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2018;26(2 ):273-286. Available from: https://sid.ir/paper/388178/en

IEEE: Copy

F. ZAEIMNIA, A. KANANIAN, M. MIRMOHAMMADI, and A. IMAMALIPOUR, “Comparison of PGE concentration in the chromitites of Khoy Ophiolite: Its implication for the presence of two types of chromitites with two different origins,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 26, no. 2 , pp. 273–286, 2018, [Online]. Available: https://sid.ir/paper/388178/en

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