Chapter 3 Circum-Arctic mapping project: new magnetic and gravity anomaly maps of the Arctic
Abstract
New Circum-Arctic maps of magnetic and gravity anomalies have been produced by merging regional gridded data. Satellite magnetic and gravity data were used for quality control of the long wavelengths of the new compilations. The new Circum-Arctic digital compilations of magnetic, gravity and some of their derivatives have been analyzed together with other freely available regional and global data and models in order to provide a consistent view of the tectonically complex Arctic basins and surrounding continents. Sharp, linear contrasts between deeply buried basement blocks with different magnetic properties and densities that can be identified on these maps can be used, together with other geological and geophysical information, to refine the tectonic boundaries of the Arctic domain.
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Geological Society, London, Memoirs
Volume 35 • 2011
Pages: 39 - 48
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© The Geological Society of London 2011.
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Published: 2011
Published online: 5 August 2011
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