New magnetic anomaly map of the Antarctic

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. ORCID:; 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.; Roberts, J.L.. 2018 New magnetic anomaly map of the Antarctic. Geophysical Research Letters, 45 (13). 6437-6449.

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The second generation Antarctic magnetic anomaly compilation (ADMAP‐2) for the region south of 60oS 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 datasets were corrected for the International Geomagnetic Reference Field, diurnal effects, and high‐frequency errors, and levelled, 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: Publication - Article
Digital Object Identifier (DOI):
ISSN: 00948276
Date made live: 14 Jun 2018 09:09 +0 (UTC)

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