THE SOURCE OF SULFUR IN SULFIDE MINERALS FROM VARIOUS ORE AND ALTERATION ZONES IN KHARVANA CU-AU PROPERTY, EAST AZARBAIJAN, NW OF IRAN

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ARJMANDZADEH R.; ALI REZAEI S.

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Seminar: SYMPOSIUM OF EARTH SCIENCES
Year:2006 | Issue:24

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Title

THE SOURCE OF SULFUR IN SULFIDE MINERALS FROM VARIOUS ORE AND ALTERATION ZONES IN KHARVANA CU-AU PROPERTY, EAST AZARBAIJAN, NW OF IRAN

Author(s)

ARJMANDZADEH R. | ALI REZAEI S.

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Abstract

Kharvana Cu-Au prospect is located in East Azarbaijan, NW of Iran. The prospect is associated with a porphyritic pluton and a suite of dykes and sills intruded into Paleocene flysch-type sediments. The pluton is granodiorite to quartz-monzonite, with a distinct calc-alkaline affinity, emplaced in a continental magmatic arc setting. The dykes and sills are hornblend-andesite to trachyandesite and dacite. The intrusions caused extensive thermal metamorphism and metasomatism leading to development of hornfels and skarns. Potassic, phyllic, propylitic, argillic and silicic alteration zones are developed in the porphyry and dykes. Previous studies have indicated elevated Cu-Au contents in Mivehrood and Usterghan areas. Mineralization occurs as disseminated, stockworks and scattered veins and veinlets. Pyrite, chalcopyrite and bornite are the main sulfides, variably oxidized at the surface. To evaluate the source of sulfur and the origin of ore fluids, ten samples of sulfide-rich materials were collected from Ustergan and Mivehrood areas. The samples were analyzed at Dept. of Earth Sciences, Univ. of Ottawa, Canada, using a Delta plus IRMS. The δ34SCDT values fall in a narrow range around zero permil (δ34SCDT = +1.0‰ to –2.8‰) implying a magmatic source for sulfur. The sulfur isotope data support the role of magmatic fluids in the formation of sulfides in various alteration zones. The d34S values further suggest that the magma is least contaminated by crustal materials. The d34S values from kharvana are comparable to those from Potassic and Phyllic zones in Sungun porphyry copper deposit.

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APA: Copy

ARJMANDZADEH, R., & ALI REZAEI, S.. (2006). THE SOURCE OF SULFUR IN SULFIDE MINERALS FROM VARIOUS ORE AND ALTERATION ZONES IN KHARVANA CU-AU PROPERTY, EAST AZARBAIJAN, NW OF IRAN. SYMPOSIUM OF EARTH SCIENCES. SID. https://sid.ir/paper/902935/en

Vancouver: Copy

ARJMANDZADEH R., ALI REZAEI S.. THE SOURCE OF SULFUR IN SULFIDE MINERALS FROM VARIOUS ORE AND ALTERATION ZONES IN KHARVANA CU-AU PROPERTY, EAST AZARBAIJAN, NW OF IRAN. 2006. Available from: https://sid.ir/paper/902935/en

IEEE: Copy

R. ARJMANDZADEH, and S. ALI REZAEI, “THE SOURCE OF SULFUR IN SULFIDE MINERALS FROM VARIOUS ORE AND ALTERATION ZONES IN KHARVANA CU-AU PROPERTY, EAST AZARBAIJAN, NW OF IRAN,” presented at the SYMPOSIUM OF EARTH SCIENCES. 2006, [Online]. Available: https://sid.ir/paper/902935/en

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