Mineralization and Geochemical Exploration in Volcanic- Plotonic Area of Halakabad Village (Sabzevar), Regarding to Cu-Porphyry Deposits

Document Type : Research Article

Authors

• Mohadeseh Panahi Shahri
• Mohammad Hassan Karimpour
• Fatemeh Shabani

Ferdowsi University of Mashhad

10.22067/econg.v2i1.3676

Abstract

The investigated area is located 30 Km south of Sabzevar in Halakabad village. Geological phenomenons in area follow a trend of NW-SE. Mineralization consists of metallic and non-metallic (kaolin) mineralization. Disseminated and veinlet mineralization is generally associated with argillic alteration type. Pyrite is the most widespread type of sulfide mineralization in Halakabad occurrences. It usually displays a euhedral habit and have occurred at least in two generations. Calcopyrite is common in veinlets although in minor amounts. Secondary sulfuric acid weathering of the ore has generated huge surficial amounts of oxide and sulfate minerals which of hematite and jarosite are the most abundant. Geochemical exploration was conducted over both drainage geochemistry and rock geochemistry. Results show that some of the stream sediments have higher concentrations of Copper and Zinc than normal. This anomalies maches with monzonite outcrops in area. The chip rock geochemical data shows highest values in west of halakabad mine for Cu and Zn respectively 500 and 900 ppm. These data represents that all samples collected from surficial areas of east of area contain lower concentrations of Copper while sulfide mineralization is more than the other parts. Presence of favorable alteration system in region, presence of monzonite subvolcanic intrusions and regional geological criteria indicates a possible Cu-Au porphyry system in Halakabad area.

Keywords

• Iran
• Halakabad
• Cu porphyry
• mineralization
• Geochemistry

20.1001.1.20087306.1389.2.1.2.9

---

References

[1] جعفریان م.ب.، جلالی ع.، "نقشه زمین‏ شناسی 100000/1 ششتمد"، انتشارات سازمان زمین‏ شناسی ایران، تهران (1377).

[2] مظلوم م.، "بررسی و مطالعه پتروگرافی، دگرسانی و ژئوشیمی در غرب معدن کائولن هلاک آباد سبزوار با رویکرد اکتشاف مس پورفیری"، پایان نامه کارشناسی ارشد زمین-شناسی اقتصادی، دانشگاه فردوسی مشهد (1386).

[3] شبانی ف.، "زمین شناسی ،‌کانی شناسی، آلتراسیون، کانی سازی و ژئوشیمی محدوده معدن کائولن همدی هلاک آباد سبزوار با نگرش اکتشاف مس پورفیری"، پایان نامه کارشناسی ارشد زمین شناسی اقتصادی، دانشگاه فردوسی مشهد، (1387) 187 صفحه.

[4] پناهی م.، "زمین شناسی، پتروگرافی، آلتراسیون و ژئوشیمی بخش شرقی کائولن همدی هلاک آباد (جنوب غرب سبزوار) با نگرش اکتشاف مس پورفیری و بررسی کانی شناسی، ژئوشیمی و اطلاعات دقیق مغناطیس سنجی در شرق معدن سنگ آهن ابوذر نیشابور (شمال شرق سبزوار)"، پایان نامه کارشناسی ارشد زمین شناسی اقتصادی، دانشگاه فردوسی مشهد، (1387) 411 صفحه.

[5] حسینی نژاد س.، "زمین شناسی،‌ کانی شناسی، آلتراسیون، کانی ساز ی کائولن و ژئوشیمی محدوده معادن کائولن هلاک آباد، دربند و بهارستان با نگرش اکتشاف مس پورفیری"، پایان نامه کارشناسی ارشد زمین شناسی اقتصادی، دانشگاه فردوسی مشهد، (1387) 202 صفحه.

[6]Cooke et al., "Giant Porphyry Deposits: Characteristics, Distribution, and Tectonic Controls", Economic Geology. (2005); 100: 801-818.

[7]Berberian M., King G.C., "Towards a paleogeography and tectonic evolution of Iran", Canadian Journal of Earth Sciences 18, (1981), p. 210-265.

[8]Hezarkhani A., "Hydrothermal evolutions at the Sar-Cheshmeh porphyry Cu-Mo deposit, Iran: evidence from fluid inclusions", Journal of Asian Earth Sciences, England 28 (2006a), p. 408-422.

[9]Hezarkhani A., "Alteration/mineralization and controls of chalcopyrite dissolution/deposition in the Raigan porphyry system, Bam-Kerman, Iran", Journal of International Geology Review, USA 48, (2006b), P. 561-572.

[10]Hezarkhani A., "Petrography of intrusive rocks within the sungun porphyry copper deposit, Azarbaijan, Iran", Journal of Asian Earth Sciences, England 73, (2006c), p. 326-340.

[11]Berberian M., "The southern Caspian: a compressional depression floored by a trapped, modified oceanic crust", Canadian Journal of Earth Sciences 20, (1983) p. 163-183.

[12]Etminan H, "Fluid inclusion studies of the porphyry copper ore bodies at Sar-Cheshmeh, Darreh Zar and Mieduk (Kerman region, southeastern Iran) and porphyry copper discoveries at Sar-Cheshmeh, Gozan, and Kighal, Azarbaijan region(northwestern Iran)", International Association, Genesis of ore deposits Fifth Symposium, Snowbird, Utah, Abstract, (1978) No. 88.

[13]Shahabpour J., "Aspects of Alteration and Mineralization at the Sar-Cheshmeh Copper

-Molybdenum Deposit", Kerman, Iran. PhD Thesis (1982).

[14] سید امامی ک.، "کرتاسه پایینی در ایران"، شماره 21، نشر داشکده فنی تهران، دور دوم (1350) صص 60- 81.

[15] Simon G., Kesler S. E., Essene E. J., "Gold in porphyry copper deposits: Experimental determination of the distribution of gold in the Cu-Fe-S system at 400ºC to 700 ºC", Economic Geology, v. 95, (2000) 259-270.

[16]Waterman G.C., Hamilton R.L., "The Sar Cheshmeh porphyry copper deposit", Economic Geology, v.70,no.3, (1975) 568-576.

[17]Anderson J.A., "Characterists of leached capping and techniques of appraisal, in Titley, S. R., ed., Advances in geology of the porphyry copper deposits, Southwestern North America: Tucson", University of Arizona Press, (1982) 275-296.

[18]Rose A.W., Burt D.M., "Hydrothermal alteration in Barnes, H.L., ed., Geochemistry of hydrothermal ore deposit", 3rd edition: New York, USA, John wiley and sons, (1979)173-235.