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Malekzadeh Shafaroudi, Azadeh, Boroziniat, Bahareh, Haidarian Shahri, Mohammad Reza. (1399). Integration of geological and geophysical studies in order to mineral exploration at the Zaveh mineralization area, NE Iran. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14(2), 150-164. doi: 10.30495/ijes.2021.685384
Azadeh Malekzadeh Shafaroudi; Bahareh Boroziniat; Mohammad Reza Haidarian Shahri. "Integration of geological and geophysical studies in order to mineral exploration at the Zaveh mineralization area, NE Iran". نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14, 2, 1399, 150-164. doi: 10.30495/ijes.2021.685384
Malekzadeh Shafaroudi, Azadeh, Boroziniat, Bahareh, Haidarian Shahri, Mohammad Reza. (1399). 'Integration of geological and geophysical studies in order to mineral exploration at the Zaveh mineralization area, NE Iran', نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 14(2), pp. 150-164. doi: 10.30495/ijes.2021.685384
Malekzadeh Shafaroudi, Azadeh, Boroziniat, Bahareh, Haidarian Shahri, Mohammad Reza. Integration of geological and geophysical studies in order to mineral exploration at the Zaveh mineralization area, NE Iran. نشریه علمی پژوهشی دانشگاه آزاد اسلامی, 1399; 14(2): 150-164. doi: 10.30495/ijes.2021.685384

Integration of geological and geophysical studies in order to mineral exploration at the Zaveh mineralization area, NE Iran

Iranian Journal of Earth Sciences
مقاله 6، دوره 14، شماره 2، تیر 2022، صفحه 150-164    اصل مقاله (2.27 M)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.30495/ijes.2021.685384
نویسندگان
Azadeh Malekzadeh Shafaroudi* 1؛ Bahareh Boroziniat2؛ Mohammad Reza Haidarian Shahri1
1Department of Geology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
2Department of Geology and Research Center for Ore Deposit of Eastern Iran, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
چکیده
The copper deposit of Zaveh lies in the SE of the city of Torbat-e-Heydarieh and in middle of the Khaf-Kashmar-Bardaskan Magmatic Belt (KKBMB) in the Khorasan-e-Razavi Province. The lithology of the area consist of Jurassic and Cretaceous sedimentary rocks and Eocene volcanic units. Ore-formation is controlled by fault activity, representing vein-veinlet style E-W trending, formed within a conglomerate rich in quartz. Primary minerals are chalcopyrite, pyrite and arsenopyrite and secondary minerals contain malachite, azurite chalcocite, bornite, covellite, Cu sulphates, wad (Mn hydroxide), haematite, goethite, jarosite, limonite and (to a lesser extent) chrysocolla. The predominant alteration is silification which is associated with vein ore-formation. The volcanic units host propylitic, sericite, carbonate and silicification alterations. The ore-formation itself represents anomalies of Cu (2.1 % max), As (>1%), Sb (~105 gr/T), Pb (4371 gr/T) and Zn (1.1% max). Induced polarization and electrical resistivity (IP/RS) surveys unveil that the most chargeability anomaly corresponds to center of ore-forming vein and fault zone.
The chargeability anomaly extends and amplifies with depth. The most amount of specific electrical resistance has been observed in the quartz-rich conglomerate. Interpretation of IP/RS data reveals that the chargeable source is extending in deeper beds (presumably sulphid ore-formation) which needs to be verified by boring operation. Geophysical surveys are significantly commensurate with field observations, ore-forming and geochemical data. Utilization Geophysical methods in different style of ore-deposits and interpretation of obtained information by means of geological, ore-forming and geochemistry data is considered to be a big step towards subterranean exploration and deposits modeling.
کلیدواژه‌ها
Ore-formation؛ alteration؛ geochemistry؛ geophysics؛ Zaveh
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