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New magnetic anomaly map of the Antarctic

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Golynsky, AV, Ferraccioli, F, Hong, JK, Golynsky, DA, von Frese, RRB, Young, DA, Blankenship, DD, Holt, JW, Ivanov, SV, Kiselev, AV, Masolov, VN, Eagles, G, Gohl, K, Jokat, W, Damaske, D, Finn, C, Aitken, A, Bell, RE, Armadillo, E, Jordan, TA, Greenbaum, JS, Bozzo, E, Caneva, G, Forsberg, R, Ghidella, M, Galindo-Zaldivar, J, Bohoyo, F, Martos, YM, Nogi, Y, Quartini, E, Kim, HR and Roberts, JL 2018 , 'New magnetic anomaly map of the Antarctic' , Geophysical Research Letters, vol. 45, no. 13 , pp. 6437-6449 , doi: 10.1029/2018GL078153.

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Abstract

The second generation Antarctic magnetic anomaly compilation for the region south of 60°S includes some 3.5 million line‐km of aeromagnetic and marine magnetic data that more than doubles the initial map's near‐surface database. For the new compilation, the magnetic data sets were corrected for the International Geomagnetic Reference Field, diurnal effects, and high‐frequency errors and leveled, gridded, and stitched together. The new magnetic data further constrain the crustal architecture and geological evolution of the Antarctic Peninsula and the West Antarctic Rift System in West Antarctica, as well as Dronning Maud Land, the Gamburtsev Subglacial Mountains, the Prince Charles Mountains, Princess Elizabeth Land, and Wilkes Land in East Antarctica and the circumjacent oceanic margins. Overall, the magnetic anomaly compilation helps unify disparate regional geologic and geophysical studies by providing new constraints on major tectonic and magmatic processes that affected the Antarctic from Precambrian to Cenozoic times.

Item Type: Article
Authors/Creators:Golynsky, AV and Ferraccioli, F and Hong, JK and Golynsky, DA and von Frese, RRB and Young, DA and Blankenship, DD and Holt, JW and Ivanov, SV and Kiselev, AV and Masolov, VN and Eagles, G and Gohl, K and Jokat, W and Damaske, D and Finn, C and Aitken, A and Bell, RE and Armadillo, E and Jordan, TA and Greenbaum, JS and Bozzo, E and Caneva, G and Forsberg, R and Ghidella, M and Galindo-Zaldivar, J and Bohoyo, F and Martos, YM and Nogi, Y and Quartini, E and Kim, HR and Roberts, JL
Keywords: magnetic anomaly, Antarctica
Journal or Publication Title: Geophysical Research Letters
Publisher: Amer Geophysical Union
ISSN: 0094-8276
DOI / ID Number: 10.1029/2018GL078153
Copyright Information:

©2018. The Authors. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. https://creativecommons.org/licenses/by-nc-nd/4.0/

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