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  Processing and interpretation of airborne geomagnetic data of Natanz 1:100000 sheet Geological Survey of Iran By: Mojgan Alavi 2000 Consulter: Toseye Oloom-e Zamin Consulting Engineers
Airborne geomagnetic, Natanz
Processing and interpretation of airborne geomagnetic data of Natanz 1:100000 sheet
 
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   Processing and interpretation of airborne geomagnetic data of Natanz 1:100000 sheet
  
  
   Abstract
   Regional exploration at Orumiyeh-Dokhtar magmatic belt is important, since the belt is situated on metallogenic zone of copper, lead and zinc and somewhere gold. This report presents a portion of result derived from an exploration contract between Overall Exploration project of GSI and Toseye Oloom-e Zamin Consulting Engineers to conduct reconnaissance survey at Orumiyeh-Dokhtar magmatic belt.
   The report presents the interpretation of geomagnetic data for the region bounded by 1:100000 sheet of Natanz. The characteristics of geomagnetic data are:
   Fight line direction: N45E
   Traverse line separation: 7.5 km
   Tieline spacing: 40 km.
  
   Using mentioned data and their compilation with geology, regional faults and fractures and deep to sub-volcanic large intrusions that are identical for hydrothermal alteration and mineralization, were extracted. Geology map of Natanz (1:100000), mineral prospection report of Natanz, geochemical data of the sheet, and available dissertations were used to control airborne geomagnetic anomalies.
   In filed, the anomalies were controlled by a team including Behruz Borna, Mrs. Hasshemi, Mr. Jafari and Mojgan Alavi. Several rock samples were taken to be analyzed; the result of which was included in the report appendix.
   Seven geomagnetic anomalies were identified that include both positive and negative anomalies. Among them anomalies number 3, 5 and 7 are shallow depth anomalies.
  
 
 
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