Summary
As an addition to NGU’s general geophysical mapping in Nordland, NGU conducted a high-resolution airborne geophysical survey in Bleikvasslia area in Nordland County on request of Norra Metals. This report describes and documents the acquisition, processing and visualization of the acquired datasets and presents them in maps. The geophysical surveys consist of 326.7 line-km data, covering an area of 59.3 km2 flown on August 21st, 2021.
The NGU modified Geotech Ltd. Hummingbird frequency domain electromagnetic system supplemented by an optically pumped Cesium magnetometer and the Radiation Solutions 1024 channels RSX-5 spectrometer mounted on a AS350-B3 helicopter was used for data acquisition.