GEOCHEMISTRY OF ALTERETION AND ITS RELATION TO THE MINRALIZATION OF CU-MO IN THE QARACHILAR-QAREDAREH AREA (NW IRAN)

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REZAIE AGHDAM M.; SOHRABI GH.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2010 | Volume:20 | Issue:77 (GEOLOGY ISSUE) Page(s): 129-150

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Title

GEOCHEMISTRY OF ALTERETION AND ITS RELATION TO THE MINRALIZATION OF CU-MO IN THE QARACHILAR-QAREDAREH AREA (NW IRAN)

Author(s)

REZAIE AGHDAM M. | SOHRABI GH. | Issue Writer Certificate

Keywords

QARACHILAR-QAREDAREHQ3

CU-MO MINERALIZATIONQ3

GEOCHEMISTRYQ3

POTASSIC AND PROPYLITIC ALTERATIONQ3

ENRICHMENTQ3

DEPLETIONQ3

Abstract

Introduction: In the QARACHILAR-QAREDAREH area CU-MO MINERALIZATION has occured in the center of a batholith that related to acidic rocks. Mineralization is observed in three form that related to: 1) quartz veins: These quartz veins have trended NW-SE and their thickness vary from 0.1 to 3 meters.2) mineralized dykes: In the center of hydrothermal activity intruded acidic and mineralized dykes that have porphyritic texture and trended NW-SE (occasionally NE-SW).3) igneous rocks: Cu-Mo are formed in the rock matrix as dissimination and stockwork. Main characteristic of this mineralized area, is developing of silicic alteration as vein-veinlet also development of potasic and propilitic zones.Aim: In this arae, study of both CU-MO MINERALIZATION and alteration zones (silicic, potassic, propilitic) related to intrusive can be used as exploration pattern in other region.Study manner: In this research, we have been identified all existing altered zones and mineralized veins, then have been taken samples from favorable section. Altereted and fresh rock samples analyzed with XRF method. As well as mineral and ore minerals studied to method of macroscopic and microscopic that results of these compared with study of GEOCHEMISTRY maclean and Grant method.Results: Integration of mineralography and GEOCHEMISTRY information indicate that mineralography variation corresponded with GEOCHEMISTRY variation (depletion and ENRICHMENT elements) and the potassic-propilitic zones are separable. The potassic zone is marked by secondary k-feldespar, biotite and Cu-Mo-Fe ore minerals (chalcopyrite, molybdenite, magnetite) also the propilitic zone is identified with epidote and chlorite minerals. Most quartz veins, mineraized zones and dykes developed in the potassic zone.Conclusion: In this area, type of alteration and mineralization is corresponded with vein type mineralization ralated to giant intrusive (batholith), but development of porphyritic mineralized dykes in the potassic zone of Qarachilar indicate that likely is located a porphyritic mineralized stock onder these mineralized dykes and veins.

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APA: Copy

REZAIE AGHDAM, M., & SOHRABI, GH.. (2010). GEOCHEMISTRY OF ALTERETION AND ITS RELATION TO THE MINRALIZATION OF CU-MO IN THE QARACHILAR-QAREDAREH AREA (NW IRAN). JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 20(77 (GEOLOGY ISSUE)), 129-150. SID. https://sid.ir/paper/70606/en

Vancouver: Copy

REZAIE AGHDAM M., SOHRABI GH.. GEOCHEMISTRY OF ALTERETION AND ITS RELATION TO THE MINRALIZATION OF CU-MO IN THE QARACHILAR-QAREDAREH AREA (NW IRAN). JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2010;20(77 (GEOLOGY ISSUE)):129-150. Available from: https://sid.ir/paper/70606/en

IEEE: Copy

M. REZAIE AGHDAM, and GH. SOHRABI, “GEOCHEMISTRY OF ALTERETION AND ITS RELATION TO THE MINRALIZATION OF CU-MO IN THE QARACHILAR-QAREDAREH AREA (NW IRAN),” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 20, no. 77 (GEOLOGY ISSUE), pp. 129–150, 2010, [Online]. Available: https://sid.ir/paper/70606/en

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