Plate kinematic implications of Atlantic Equatorial fracture zone trends

Auteurs :
SIBUET, J. C.
MASCLE, J.

Description :
We present a plate kinematic evolution of the South Atlantic which is based largely on the determination of the equatorial fracture zone trends between the African and South American continental margins. Four main opening phases are dated by oceanic magnetic anomalies, notably MO, A34 and A13, and are correlated with volcanism and tectonic events on land around the South Atlantic Ocean. The Ceara and Sierra Leone rises are probably of oceanic origin and were created 80m.y. ago or later in their present-day positions with respect to South America and Africa. (The AA.).


Type de document :
Article de périodique

Source :
Publications du Centre National pour l'Exploitation des Océans. Recueil des travaux du Centre océanologique de Bretagne Brest, 1980, n°. 8, p. 137-157, Références bibliographiques : 74réf.

Date :
1980