STUDYING THE RESULTS SAMPLING AND ANALYSIS BY USING THE BLEG GEOCHEMICAL METHOD IN 1:100000 SIAH RUD SHEET (NW IRAN)

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EMAMI JAFARI M.; MEHRPARTOU M.; AKBARPOOR A.; SHAMSI B.

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Journal: GEOSCIENCES Year:2015 | Volume:24 | Issue:95 (PETROLOGY & MINERALOGY) Page(s): 195-206

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Title

STUDYING THE RESULTS SAMPLING AND ANALYSIS BY USING THE BLEG GEOCHEMICAL METHOD IN 1:100000 SIAH RUD SHEET (NW IRAN)

Author(s)

EMAMI JAFARI M. | MEHRPARTOU M. | AKBARPOOR A. | SHAMSI B. | Issue Writer Certificate

Keywords

BLEG METHODQ2

SAMPLE SEDIMENT METHODQ2

SIAH ROUDQ3

GOLDQ2

EAST AZARBAIJANQ2

ANIGH-GHARACHILARQ2

Abstract

BLEG METHOD is one of modern methods used for GOLD geochemical exploration studies. The method has helped to locate many low grade GOLD deposits. The significant change of the method compared to common geochemical exploration methods is to use of large volumes of samples regardless of their size and low density of sampling. In order to evaluate the efficiency of the BLEG geochemical method with stream sediment method, 1:100000 SiahRud sheet was chosen in geological region of Azarbaijan in a district that geological map and geochemical exploration has already been carried out. The study area is 1850 km2, located in a mountainous area of northwest Iran in the Eastern-Azarbaijan province (NW of Ahar city).The rock units of the area consist mainly of the Upper Cretaceous limestone and flysch complex, Oligocene intrusive bodies and Eocene volcanic-sedimentary rocks. The Oligocene intrusive bodies are the most important igneous unit in the area. In this project, 168 BLEG samples and 103 stream sediment samples (silt samples) were prepared and studied. The range GOLD values in BLEG samples are from 0.1 to20 ppb, and in the stream sediment samples from 3 to 459 ppb. The results of sampling and analysis present four districts with high anomalous degrees: 1) Anigh-GharehChilar district, 2) Namnegh district, 3) Eshtobin district, and 4) Andrian or MiveRud district. Analysis of the stream sediment samples represents high value of Cu and Au. Correlation of the elements in stream sediments taken from the Anigh-GharehChilar district represents high correlation of GOLD with arsenic, copper and leads elements. Copper also shows a high correlation with molybdenum, which is in accordance with mineralization of this area.

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APA: Copy

EMAMI JAFARI, M., MEHRPARTOU, M., AKBARPOOR, A., & SHAMSI, B.. (2015). STUDYING THE RESULTS SAMPLING AND ANALYSIS BY USING THE BLEG GEOCHEMICAL METHOD IN 1:100000 SIAH RUD SHEET (NW IRAN). GEOSCIENCES, 24(95 (PETROLOGY & MINERALOGY)), 195-206. SID. https://sid.ir/paper/31754/en

Vancouver: Copy

EMAMI JAFARI M., MEHRPARTOU M., AKBARPOOR A., SHAMSI B.. STUDYING THE RESULTS SAMPLING AND ANALYSIS BY USING THE BLEG GEOCHEMICAL METHOD IN 1:100000 SIAH RUD SHEET (NW IRAN). GEOSCIENCES[Internet]. 2015;24(95 (PETROLOGY & MINERALOGY)):195-206. Available from: https://sid.ir/paper/31754/en

IEEE: Copy

M. EMAMI JAFARI, M. MEHRPARTOU, A. AKBARPOOR, and B. SHAMSI, “STUDYING THE RESULTS SAMPLING AND ANALYSIS BY USING THE BLEG GEOCHEMICAL METHOD IN 1:100000 SIAH RUD SHEET (NW IRAN),” GEOSCIENCES, vol. 24, no. 95 (PETROLOGY & MINERALOGY), pp. 195–206, 2015, [Online]. Available: https://sid.ir/paper/31754/en

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