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Автор Johnson, A. C.
Автор Swain, C. J.
Дата выпуска 1995
dc.description Aeromagnetic anomaly data collected between 67°S and 70°S crossing the Antarctic Peninsula and adjacent offshore areas show a prominent NW‐SE trend in the magnetic fabric. Apparent lateral offsets, previously recognized in the Pacific Margin Anomaly, have been mapped in detail and are shown to be much smaller than previously suggested. A 35 km wide zone of subdued magnetic anomalies at the Western edge of the Pacific Margin Anomaly, bounded by these apparent offsets, is interpreted as a downfaulted block of the mafic‐intermediate batholith thought to be responsible for the Pacific Margin Anomaly. The trends of both fracture zones and magnetic lineaments strongly support the link between faulting in the Antarctic Peninsula magmatic arc and offshore tectonics.
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Копирайт Copyright 1995 by the American Geophysical Union.
Тема Geomagnetism and Paleomagnetism
Тема Geomagnetism and Paleomagnetism: Spatial variations (all harmonics and anomalies)
Тема Structural Geology
Тема Structural Geology: Remote sensing
Тема Tectonophysics
Тема Tectonophysics: Plate boundary—general
Тема Geographic Location
Тема Information Related to Geographic Region: Antarctica
Название Further evidence of fracture‐zone induced tectonic segmentation of the Antarctic Peninsula from detailed aeromagnetic anomalies
Тип article
DOI 10.1029/95GL00812
Electronic ISSN 1944-8007
Print ISSN 0094-8276
Журнал Geophysical Research Letters
Том 22
Первая страница 1917
Последняя страница 1920
Аффилиация Johnson, A. C.; British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Аффилиация Swain, C. J.; British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK
Выпуск 14
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