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Golynsky, Alexander V; Masolov, Valery N; Jokat, Wilfried (2000): Magnetic anomaly map of the Weddell Sea Region, Antarctic (Scale 1:2 500 000). doi:10.1594/PANGAEA.596363,
Supplement to: Golynsky, AV et al. (2000): Magnetic anomaly map of the Weddell Sea region: a new compilation of the Russian data. Polarforschung, 67(3), 125-132, hdl:10013/epic.29779.d001

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This paper describes a 1 : 2 500 000 scale aeromagnetic anomaly map produced by the joint efforts of VNIIOkeangeologia, Polar Marine Geological Research Expedition (PMGRE) and the Alfred Wegener Institute for Polar and Marine Research (AWl) for the Weddell Sea region covering 1 850 000 km' of West Antarctica. Extensive regional magnetic survey flights with line-spacing of about 20 km and 5 km were carried out by the PMGRE between 1977 and 1989. In course of these investigations the PMGRE flew 9 surveys with flight-line spacing of 20 km and 6 surveys with flight-line spacing of 5 km mainly over the mountain areas of southern Palmer Land, western Dronning Maud Land, Coats Land and Pensacola Mountains, over the Ronne lee Shelf and the Filchner Ice Shelf and the central part of the Weddell Sea. More than 215 000 line-kilometers of total field aeromagnetic data have been acquired by using an Ilyushin Il-14 ski-equipped aircraft. Survey operations were centered on the field base stations Druzhnaya-1, -2, and -3, from which the majority of the Weddell Sea region network was completed. The composite map of the Weddell Sea region is prepared in colour, showing magnetic anomaly contours at intervals of 50-100 nT with supplemental contours at an interval of 25 nT in low gradient areas, on a polar stereographic projection.
The compiled colour magnetic anomaly map of the Weddell Sea region demonstrates that features of large areal extent, such as geologic provinces, fold-belts, ancient eratonic fragments and other regional structural features can be readily delineated. The map allows a comparison of regional magnetic features with similar-scale geological structures on geological and geophysical maps. It also provides a database for the future production of the ''Digital Magnetic Anomaly Map of Antarctica'' in the framework of the Scientific Committee on Antarctic Research/International Association of Geomagnetism and Aeronomy (SCAR/IAGA) compilation.
Median Latitude: -72.000000 * Median Longitude: -35.000000 * South-bound Latitude: -82.000000 * West-bound Longitude: -70.000000 * North-bound Latitude: -62.000000 * East-bound Longitude: 0.000000
Weddell_Sea_Region * Latitude Start: -82.000000 * Longitude Start: -70.000000 * Latitude End: -62.000000 * Longitude End: 0.000000 * Location: Weddell Sea
#NameShort NameUnitPrincipal InvestigatorMethodComment
2File formatFile format
3File sizeFile sizekByte
4Uniform resource locator/link to raw data fileURL rawGolynsky, Alexander V
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