Chapter 3 Circum-Arctic mapping project: new magnetic and gravity anomaly maps of the Arctic-Reference-Cited by-同舟云学术

Chapter 3 Circum-Arctic mapping project: new magnetic and gravity anomaly maps of the Arctic

Published:2011 Issue:1 Volume:35 Page:39-48
ISSN:0435-4052
Container-title:Geological Society, London, Memoirs
language:en
Short-container-title:Geological Society, London, Memoirs

Author:

Gaina Carmen¹²,Werner Stephanie C.²,Saltus Richard³,Maus Stefan⁴,

Affiliation:

1. Geological Survey of Norway, Leiv Eirikssons vei 39, N-7491 Trondheim, Norway

2. PGP, School of Geosciences, University of Oslo, 0316 Oslo, Norway

3. USGS, Denver, Colorado, USA

4. CIRES, University of Colorado and NOAA's National Geophysical Data Center, Boulder, CO 80305, USA

Abstract

AbstractNew 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.

Publisher

Geological Society of London

Subject

Geology

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