A free-air gravity anomaly map of the Irish continental margin and a new gravity model across the southern Procupine Seabight

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Authors:Masson, D. G.; Miles, P. R.; Max, Michael D.; Scrutton, R. A.; Inamdar, D. D.
Author Affiliations:Primary:
Inst. Oceanogr. Sci., Wormley, United Kingdom
Geol. Surv. Irel., Ireland
Univ. Edinburgh, United Kingdom
Source:Report Series - Geological Survey of Ireland, Vol.85-4, 8p. Publisher: Geological Survey of Ireland, Dublin, Ireland. ISSN: 0790-0279
Publication Date:1985
Note:In English. 20 refs. Geophysical survey map
Summary:The new model proposes a much wider zone of thin crust underlying the southern Porcupine Seabight than in previous models. Also proposed is a southerly continuation of the basement ridge which makes up the Porcupine Bank across the mouth of the Porcupine Seabight. This shows that it is unlikely that a 'tongue' of oceanic crust extends from the North Atlantic into the southern Porcupine Seabight, as has been previously proposed. [R.E.]
Subjects:Bathymetry; Continental margin; Errors; Free-air anomalies; Geophysical methods; Geophysical survey maps; Geophysical surveys; Gravity anomalies; Gravity methods; Maps; Surveys; Atlantic Ocean; Europe; Ireland; North Atlantic; Northeast Atlantic; Porcupine Seabight; Western Europe; Geophysical survey map
Coordinates:N480000 N540000 W0040000 W0170000
Abstract Numbers:87M/6993
Record ID:1987069565
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom
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