PETROGRAPHY, ALTERATION, MINERALIZATION AND GEOCHEMICAL EXPLORATION OF NORTH WEST OF ARGHASH AREA (NEYSHABOUR)

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ESMAILI M.; KARIMPOUR M.H.; MALEKZADEH A.

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Journal Paper

Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2014 | Volume:22 | Issue:1 Page(s): 63-74

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Title

PETROGRAPHY, ALTERATION, MINERALIZATION AND GEOCHEMICAL EXPLORATION OF NORTH WEST OF ARGHASH AREA (NEYSHABOUR)

Author(s)

ESMAILI M. | KARIMPOUR M.H. | MALEKZADEH A. | Issue Writer Certificate

Keywords

VEIN- TYPE MINERALIZATIONQ2

GEOCHEMICAL EXPLORATIONQ2

COPPER PORPHYRYQ2

ARGHASHQ2

ALTERATIONQ2

Abstract

The study area is located at northeast of Neyshabour in the Khorasan Razavi Province, northwest ARGHASH Gold Mine. The rocks of area are composed of polutonic to subvolcanic units with acid- intermediate in composition. They consist of granodiorite, diorite and granite. ALTERATION zones are: propylitic, sericitic, silicified and argillic. In the study area, mineralization is divided into two types: primary and secondary. The Primary mineralization consists of disseminated type in intrusive bodies (syngentic) and vein-type mineralization in fault zones (epygentic). Pyrite is recognized in dioritic and granitic intrusive as disseminated.The VEIN- TYPE MINERALIZATION consists of chalcopyrite, pyrite, quartz and calcite minerals which are related to NE-SW, NW-SE, E-W fault zones dipping 60 degree. Secondary minerals in the study area are malachite, azurite, hematite, goethite and covellite. Geochemical study in the area shows anomalies for Cu, Pb and Zn in primery and secondary geochemistry halos. High concentration of Cu, Zn and Pb in stream sediments samples are 124, 85 and 38 ppm and in rock samples are 2200, 336 and 589 ppm respectively. Based on present of disseminated mineralization in the surface and undersurface ARGHASH area, present of vein-type mineralization Au and Sb in the ARGHASH area and present of vein-type mineralization in the fault Zone in the study area, present of geochemistry halos for Cu, Zn, Pb in the study ares and surrounded, probably ARGHASH area can be vein-type mineralization ralatad to COPPER PORPHYRY system in this area.

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References

GEOLOGY, ALTERATION, MINERALIZATION AND GEOCHEMISTRY OF MA-II REGION, MAHERABAD PORPHYRY COPPER-GOLD PROSPECT AREA, SOUTH KHORASAN PROVINCE

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APA: Copy

ESMAILI, M., KARIMPOUR, M.H., & MALEKZADEH, A.. (2014). PETROGRAPHY, ALTERATION, MINERALIZATION AND GEOCHEMICAL EXPLORATION OF NORTH WEST OF ARGHASH AREA (NEYSHABOUR). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 22(1), 63-74. SID. https://sid.ir/paper/4252/en

Vancouver: Copy

ESMAILI M., KARIMPOUR M.H., MALEKZADEH A.. PETROGRAPHY, ALTERATION, MINERALIZATION AND GEOCHEMICAL EXPLORATION OF NORTH WEST OF ARGHASH AREA (NEYSHABOUR). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2014;22(1):63-74. Available from: https://sid.ir/paper/4252/en

IEEE: Copy

M. ESMAILI, M.H. KARIMPOUR, and A. MALEKZADEH, “PETROGRAPHY, ALTERATION, MINERALIZATION AND GEOCHEMICAL EXPLORATION OF NORTH WEST OF ARGHASH AREA (NEYSHABOUR),” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 22, no. 1, pp. 63–74, 2014, [Online]. Available: https://sid.ir/paper/4252/en

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