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The Reykjanes Ridge: structure and tectonics of a hot-spot-influenced, slow-spreading ridge, from multibeam bathymetry, gravity and magnetic investigations

Abstract:

We report a comprehensive morphological, gravity and magnetic survey of the oblique- and slow-spreading Reykjanes Ridge near the Iceland mantle plume. The survey extends from 57.9°N to 62.1°N and from the spreading axis to between 30 km (3 Ma) and 100 km (10 Ma) off-axis; it includes 100 km of one arm of a diachronous 'V-shaped' or 'chevron' ridge. Observed isochrons are extremely linear and 28°oblique to the spreading normal with no significant offsets. Along-axis there are ubiquitous, en-ec...

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Publication status:
Published

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Publisher:
Elsevier
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
160
Issue:
3-4
Pages:
463-478
Publication date:
1998-08-05
DOI:
ISSN:
0012-821X
URN:
uuid:b3b58307-a602-4711-8d62-048c65c96aa5
Source identifiers:
81955
Local pid:
pubs:81955

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