Study of mineralogy, geochemistry and elemental behavior in the process of bentonites formation in Sarbisheh area (South Khorasan, east of Iran)

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NAKHAEI MALIHE; Mohammadi Seyed saeed; RASA IRAJ; SAMIEE SOMAYEH

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2019 | Volume:27 | Issue:1 Page(s): 207-220

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Title

Study of mineralogy, geochemistry and elemental behavior in the process of bentonites formation in Sarbisheh area (South Khorasan, east of Iran)

Author(s)

NAKHAEI MALIHE | Mohammadi Seyed saeed | RASA IRAJ | SAMIEE SOMAYEH | Issue Writer Certificate

Keywords

BentoniteQ2

SarbishehQ2

satellite processingQ1

Abstract

Tertiary acidic to intermediate volcanic activities and the role of fault zones in Sarbisheh area have provided suitable conditions for the formation of Bentonite, especially in pyroclastic deposits. Southeast Gondakan, Kalateh Pedaran, Golab, Golestan, Asfich, Hasan Kolangi, and Kangan Bentonites in 1/100000 geological map of Sarbisheh were selected as the case study. Satellite image processing shows argillic alteration with the presence of montmorillonite. Field and XRD studies approved satellite image processing and Bentonite formation in the studied areas. Montmorillonite, anorthite, and cristobalite are the main minerals in these Bentonites. Based on available data, Hasan Kolangi, Asfich and Golestan Bentonites are Na-Ca, Ca-Na, and Ca-type respectively. Parental rocks of studied Bentonites are acidic to intermediate lavas (rhyodacite-dacite to andesite) and pyroclastic rocks (tuff-breccia) that had affected by medium to high-grade alteration. Calculation of geochemical changes in bentonitic zones indicated the decrease of silica, Na, and K and increase of Ca.

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APA: Copy

NAKHAEI, MALIHE, Mohammadi, Seyed saeed, RASA, IRAJ, & SAMIEE, SOMAYEH. (2019). Study of mineralogy, geochemistry and elemental behavior in the process of bentonites formation in Sarbisheh area (South Khorasan, east of Iran). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 27(1 ), 207-220. SID. https://sid.ir/paper/4159/en

Vancouver: Copy

NAKHAEI MALIHE, Mohammadi Seyed saeed, RASA IRAJ, SAMIEE SOMAYEH. Study of mineralogy, geochemistry and elemental behavior in the process of bentonites formation in Sarbisheh area (South Khorasan, east of Iran). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2019;27(1 ):207-220. Available from: https://sid.ir/paper/4159/en

IEEE: Copy

MALIHE NAKHAEI, Seyed saeed Mohammadi, IRAJ RASA, and SOMAYEH SAMIEE, “Study of mineralogy, geochemistry and elemental behavior in the process of bentonites formation in Sarbisheh area (South Khorasan, east of Iran),” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 27, no. 1 , pp. 207–220, 2019, [Online]. Available: https://sid.ir/paper/4159/en

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