CLASSIFICATION OF AMPHIBOLES FROM IRON ORE DEPOSITES, SANGAN AREA, KHAF

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MAZAHERI S.A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2002 | Volume:10 | Issue:1 Page(s): 67-80

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Title

CLASSIFICATION OF AMPHIBOLES FROM IRON ORE DEPOSITES, SANGAN AREA, KHAF

Author(s)

MAZAHERI S.A. | Issue Writer Certificate

Keywords

AMPHIBOLEQ2

SANGAN KHAFQ4

GRANITOIDQ2

GARNET-PYROXENE SKARNQ4

AMPHIBOLE SKARNQ4

FERROEDENITEQ4

HASTINGSITE AND FERROACTINOLITEQ4

Abstract

Skarn occuring in the Sangan area was formed within two different rock roups, graitoids and skarns. Based on the new AMPHIBOLE classification and nomenclature, the general formula of amphibols is (AB2C5T8O22OH)2. AMPHIBOLE of GRANITOIDs is a FERROEDENITE in which Si = 6.87 - 7.75, CaB> 1.5, (Na+K)A> 0.5 and Ti < 0.5. Skam AMPHIBOLEs are mostly developed within AMPHIBOLE skarns and gamet-pyroxene skarns during retrograde stage of skarn evolution. High-temperature AMPHIBOLEs are rich in Al while low-temperature AMPHIBOLEs are poor in AI. Skarn AMPHIBOLEs are classified in two groups: (a) hastingsite in which Si = 5.99- 6.08,CaB> 1.5, (Na+K)A > 0.5, Ca < 0.5 and Al < Fe+3. (b), ferroactinolite in which Si = 7.61 - 7.90, CaB>1.5, (Na+K)A< 0.5 and CaA< 0.5. AMPHIBOLE in (a) is Al-rich while AMPHIBOLE in (b) is Al-poor.

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APA: Copy

MAZAHERI, S.A.. (2002). CLASSIFICATION OF AMPHIBOLES FROM IRON ORE DEPOSITES, SANGAN AREA, KHAF. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 10(1), 67-80. SID. https://sid.ir/paper/3920/en

Vancouver: Copy

MAZAHERI S.A.. CLASSIFICATION OF AMPHIBOLES FROM IRON ORE DEPOSITES, SANGAN AREA, KHAF. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2002;10(1):67-80. Available from: https://sid.ir/paper/3920/en

IEEE: Copy

S.A. MAZAHERI, “CLASSIFICATION OF AMPHIBOLES FROM IRON ORE DEPOSITES, SANGAN AREA, KHAF,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 10, no. 1, pp. 67–80, 2002, [Online]. Available: https://sid.ir/paper/3920/en

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