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Geological Society, London, Special Publications; 2001; v. 188; p. 393-399;
DOI: 10.1144/GSL.SP.2001.188.01.24
© 2001 Geological Society of London

Interpretation of transverse gravity lineaments in the Rockall Basin

K. McGrane, P. W. Readman & B. M. O’Reilly

Dublin Institute for Advanced Studies, 5 Merrion Square, Dublin 2, Ireland kmg{at}cp.dias.ie

A number of regional transverse gravity lineaments crosscutting the Rockall Basin are interpreted from satellite gravity data. Euler deconvolution carried out on gravity data along a wide-angle seismic profile indicates that a major NW-SE-trending lineament within the basin reflects pronounced variations in crustal structure and sedimentary thickness. These thickness variations are interpreted as the result of cross-basin faulting along a zone defined by this lineament. Transverse gravity lineaments to the north of this feature are similarly interpreted as major cross-basin fault zones.





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