Origin of widespread Cretaceous alkaline magmatism in the Central Atlantic: a single melting anomaly?

• Published in: Lithos
• Main Authors: Merle, Renaud E., Jourdan, Fred, Chiaradia, Massimo, Olierook, Hugo K.H., Manatschal, Gianreto
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2019
• Subjects: info:eu-repo/classification/ddc/550; Central Atlantic Ocean; New England Seamounts; Geochronology; Cretaceous alkaline magmatism; Tore–Madeira Rise; Mid-Atlantic Ridge; Nash; Nes; Nes’; North Atlantic
• Online Access: https://archive-ouverte.unige.ch/unige:120450

The age and origin of the Late Cretaceous magmatism on the North American and Iberian-African margins and the adjacent northern Central and Southern North Atlantic ocean are not well constrained due to the lack of ap- propriate data. To solve this issue, we used the 40Ar/39Ar geochronology and Sr-Nd...