Helicopter-borne magnetic and radiometric geophysical survey at Gratangen and Sørreisa,Troms county
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- Rapporter 
NGU conducted an airborne magnetic and radiometric survey at Gratangen and Sørreisa in Troms county between August-October 2014 as a part of the MINN project (Mineral resources in North Norway). The survey also covered the islands of Rolla and Andørja. At an earlier stage of MINN project, three flights were flown at the northern part of the surveyed area, near Sørreisa, in August 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results reported herein are approximately 13800 line km, covering an area of approximately 2800 km2.