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Observation of sections of oceanic crust and mantle cropping out on the southern wall of Kane FZ (N. Atlantic)
Author(s) -
Auzende JeanMarie,
Cannat Mathilde,
Gente Pascal,
Henriet JeanPierre,
Juteau Thierry,
Karson Jeffrey,
Lagabrielle Yves,
Mével Catherine,
Tivey Maurice
Publication year - 1994
Publication title -
terra nova
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.353
H-Index - 89
eISSN - 1365-3121
pISSN - 0954-4879
DOI - 10.1111/j.1365-3121.1994.tb00647.x
Subject(s) - geology , massif , greenschist , mid atlantic ridge , basalt , oceanic crust , geochemistry , crust , fracture zone , outcrop , peridotite , ridge , mantle (geology) , paleontology , seismology , metamorphism , tectonics , subduction
The objective of the 20 Nautile dives of the recent Kanaut cruise was to study the southern wall of the Kane Fracture Zone from its eastern intersection with the Mid‐Atlantic Ridge (MAR) to 5 Myr in age. The geological mapping shows four successive massifs, wrench faulted and slightly tilted. The transform‐facing walls of these massifs exhibit outcrops of fresh and serpentinized peridotites, gabbros and basalts. The entire crustal exposure is cataclased and metamorphosed to greenschist facies.