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Information Journal Paper

Title

Comparison of zonality indices in position determination of porphyry copper ore in Daralu, south of Kerman province

Pages

  51-62

Abstract

 The porphyry copper deposit of Daralu is located 130 km south of Kerman province and in the metallogenicall zone of Dehaj-Sardouiyeh. The estimated Mineral storage of the deposit until 2019 is 294 million tons with an average grade of 0. 35% Cu. The study of lithogeochemical zonality indicators is used to identify the type of deposit, determine the location and depth of the ore body. In this study, standard lithogeochemical zonality indicators that are used to identify the position of the world's porphyry copper deposits were compared with each other in the Daralu porphyry copper deposit. Among these indicators, the Cu/Mo Zonality index and then the (Zn*Pb)/(Cu*Mo) show legal behavior Compared to other indicators, and their trend is steadily declining from surface to depth. Based on the numerical values of the Zonality index (Zn*Pb)/(Cu*Mo) for the standard porphyry copper deposits, the ore body in Daralu deposit is located at an absolute height of 2950 to 2750 meters and the depth of the sub ore primary lithogeochemical haloes of the deposit were determined from 2750 to 2550 m. However, based on the numerical values of the Cu/Mo index, the final depth of the sub ore primary lithogeochemical haloes was estimated at 2425m, although the results of both indicators confirmed each other and overlapped. Also, by using the linear lithogeochemical productivity of the elements in different horizons, the lithogeochemical zonality sequence of the elements was calculated in the form of Mo-(V, Co)-Au-Ag-Ni-Pb-As-Sb-Cu-(Zn, Cd, Mn) from the depth to surface. The highest molybdenum value belonging to the absolute height of 2550 meters (the deepest part of the deposit) and the highest amount of lead were recorded at absolute height of 2950 meters (deposit surface). Indices and sequence of elements was determined that the supra ore is washed away and mineral mass is close to the surface.

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    APA: Copy

    Hasanzadeh, Fereshteh, Shamsaddini, Mahmoud, & RAHIMIPOUR, GHOLAMREZA. (2021). Comparison of zonality indices in position determination of porphyry copper ore in Daralu, south of Kerman province. IRANIAN JOURNAL OF MINING ENGINEERING (IRJME), 16(52 ), 51-62. SID. https://sid.ir/paper/412196/en

    Vancouver: Copy

    Hasanzadeh Fereshteh, Shamsaddini Mahmoud, RAHIMIPOUR GHOLAMREZA. Comparison of zonality indices in position determination of porphyry copper ore in Daralu, south of Kerman province. IRANIAN JOURNAL OF MINING ENGINEERING (IRJME)[Internet]. 2021;16(52 ):51-62. Available from: https://sid.ir/paper/412196/en

    IEEE: Copy

    Fereshteh Hasanzadeh, Mahmoud Shamsaddini, and GHOLAMREZA RAHIMIPOUR, “Comparison of zonality indices in position determination of porphyry copper ore in Daralu, south of Kerman province,” IRANIAN JOURNAL OF MINING ENGINEERING (IRJME), vol. 16, no. 52 , pp. 51–62, 2021, [Online]. Available: https://sid.ir/paper/412196/en

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