PETROLOGY AND U-PB ZIRCON DATING OF INTRUSIVE ROCKS FROM A, C-SOUTH, AND DARDVAY DISTRICTS, SANGAN IRON STONE MINE, KHAF

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GOLMOHAMMADI ABBAS; KARIMPOUR MOHAMMAD HASSAN; MALEKZADEH SHAFAROUDI AZADEH; MAZAHERI SEYED AHAMAD

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Journal: JOURNAL OF ECONOMIC GEOLOGY Year:2014 | Volume:5 | Issue:2 Page(s): 155-174

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Title

PETROLOGY AND U-PB ZIRCON DATING OF INTRUSIVE ROCKS FROM A, C-SOUTH, AND DARDVAY DISTRICTS, SANGAN IRON STONE MINE, KHAF

Author(s)

GOLMOHAMMADI ABBAS | KARIMPOUR MOHAMMAD HASSAN | MALEKZADEH SHAFAROUDI AZADEH | MAZAHERI SEYED AHAMAD | Issue Writer Certificate

Keywords

SANGAN MINEQ2

PETROLOGY OF INTRUSIVE ROCKSQ2

ZIRCON DATINGQ2

AQ2

C-SOUTHQ2

AND DARDVAY DISTRICTSQ2

Abstract

Sangan magnetite skarn mine is located 300 km southeast of Mashhad, Along the eastern part of Khaf-Drouneh volcanic-plutonic belt. Granitoids from three Areas within the SANGAN MINE A, C-North And Dardvay were studied. Within the study Area, three intrusive rocks including biotite-hornblende monzonite porphyry, biotite syenite And syenogranite were recognized. Based on field cross cutting, Absence of garnetmagnetite skarn Around the contact, And Alteration by younger hydrothermal fluids, these granitoids Are older than the magnetite skarn. U-Pb zircon Age of the granitoid is 42 Ma (Middle Eocene). Magnetic susceptibility of the granitoids Are 310-900×10-5 (SI units) And therefore, they Are classified As belonging to the magnetite-series (oxidant type) I-type. Chemically, these granitoids Are metaluminous, Alkali-calcic to Alkali And shoshonite to ultrapotassic. Enrichment of LREE, relative to HREE And enrichment of LILE (Sr, Cs, Rb, K And Ba) relative to HFSE (Nb, Ta, Ti, Hf And Zr) indicate that the magma formed in island Arc setting. This magma originated from low partial melting (<1%) of garnet-spinel lherzolite (low garnet) And was contaminated in the continental crust. Based on the ratio of (La/Yb)N 6.23-34.73, indicate that small Amount of garnet was left in the source rock. High ration of Rb/Sr, LILE/HFSE And high content of K2O, Th And Nb indicative of continental crust contamination. Petrognesis And geochronology of Sangan granitoid will help to know more About tectonomagmatic of Khaf-Kashmar-Drouneh volcanic-plutonic belt And their mineralization.

Cites

زمین شناسی، کانی سازی، کانی شناسی منطقه های اسکارن و ماده معدنی و ژئوشیمی مناطق پی جویی سنجدک II و III، شرق معدن سنگ آهن سنگان خواف

References

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APA: Copy

GOLMOHAMMADI, ABBAS, KARIMPOUR, MOHAMMAD HASSAN, MALEKZADEH SHAFAROUDI, AZADEH, & MAZAHERI, SEYED AHAMAD. (2014). PETROLOGY AND U-PB ZIRCON DATING OF INTRUSIVE ROCKS FROM A, C-SOUTH, AND DARDVAY DISTRICTS, SANGAN IRON STONE MINE, KHAF. JOURNAL OF ECONOMIC GEOLOGY, 5(2), 155-174. SID. https://sid.ir/paper/180439/en

Vancouver: Copy

GOLMOHAMMADI ABBAS, KARIMPOUR MOHAMMAD HASSAN, MALEKZADEH SHAFAROUDI AZADEH, MAZAHERI SEYED AHAMAD. PETROLOGY AND U-PB ZIRCON DATING OF INTRUSIVE ROCKS FROM A, C-SOUTH, AND DARDVAY DISTRICTS, SANGAN IRON STONE MINE, KHAF. JOURNAL OF ECONOMIC GEOLOGY[Internet]. 2014;5(2):155-174. Available from: https://sid.ir/paper/180439/en

IEEE: Copy

ABBAS GOLMOHAMMADI, MOHAMMAD HASSAN KARIMPOUR, AZADEH MALEKZADEH SHAFAROUDI, and SEYED AHAMAD MAZAHERI, “PETROLOGY AND U-PB ZIRCON DATING OF INTRUSIVE ROCKS FROM A, C-SOUTH, AND DARDVAY DISTRICTS, SANGAN IRON STONE MINE, KHAF,” JOURNAL OF ECONOMIC GEOLOGY, vol. 5, no. 2, pp. 155–174, 2014, [Online]. Available: https://sid.ir/paper/180439/en

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