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f Geophysical aspects of the Siljan impact crater, Central Sweden
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 54th EAEG Meeting, Jun 1992, cp-45-00318
- ISBN: 978-90-73781-04-7
Abstract
The Geological Survey of Saveden (SGU) makes regular airborn magnetic, electromagnetic (VLF) and radiometric measurements as well as gravity and petrophysical measurements within the geophysical and geological mapping programmes. For current work, the airborne measurements are made at a flight altitude of 30-40 metres and a live spacing of 200 metres and the ground gravity measurements with a station spacing of roughly 1.5 km .