New Magnetic Anomaly Map of the Antarctic


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graeme.eagles [ at ] awi.de

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.



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Article
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Primary Division
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Peer revision
ISI/Scopus peer-reviewed
Publication Status
Published
Eprint ID
47673
DOI 10.1029/2018GL078153

Cite as
Golynsky, A. V. , Ferraccioli, F. , Hong, J. K. , Golynsky, D. A. , von Frese, R. R. B. , Young, D. A. , Blankenship, D. D. , Holt, J. W. , Ivanov, S. V. , Kiselev, A. V. , Masolov, V. N. , Eagles, G. , Gohl, K. , Jokat, W. , Damaske, D. , Finn, C. , Aitken, A. , Bell, R. E. , Armadillo, E. , Jordan, T. A. , Greenbaum, J. S. , Bozzo, E. , Caneva, G. , Forsberg, R. , Ghidella, M. , Galindo-Zaldivar, J. , Bohoyo, F. , Martos, Y. M. , Nogi, Y. , Quartini, E. , Kim, H. R. and Roberts, J. L. (2018): New Magnetic Anomaly Map of the Antarctic , Geophysical Research Letters, 45 . doi: 10.1029/2018GL078153


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