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Airborne geophysics as a tool for geoscientific research in Antarctica: some recent examples

By Fausto Ferraccioli, P.C. Jones, Philip Leat and Tom A. Jordan

Abstract

The polar regions play an important role in Earth's geodynamic and climatic systems. Modern airborne\ud geophysical surveys combine radio-echo sounding, aeromagnetic and aerogravity methods to explore the geology of these regions. This paper reviews some recent aerogeophysical investigations undertaken by the British Antarctic Survey to: 1) Image subglacial rifts of Jurassic age in western Dronning Maud Land, which were associated with early Gondwana break-up; 2) Investigate crustal growth over the Antarctic Peninsula by Cretaceous arc magmatism and\ud terrane accretion along the paleo-Pacific margin of Gondwana; 3) Analyse geological boundary conditions for presentday ice dynamics over Coats Land.\u

Topics: Earth Sciences, Electronics, Engineering and Technology
Publisher: National Academy Press
Year: 2007
DOI identifier: 10.3133/of2007-1047.srp056
OAI identifier: oai:nora.nerc.ac.uk:13738
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