Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/17950
Title: The Canary record of the evolution of the North Atlantic Pliocene: New Ar-40/Ar-39 ages and some notable palaeontological evidence
Authors: Meco, J. 
Koppers, Anthony A. P.
Miggins, Daniel P.
Lomoschitz, Alejandro 
Betancort-Lozano, Juan Francisco
UNESCO Clasification: 24 Ciencias de la vida
2416 Paleontología
Keywords: Canary current origin
Early Pliocene biogeography
Pliocene climatic evolution
Pliocene Canarian fossils
Fossil Argonauta argo
Issue Date: 2015
Journal: Palaeogeography, Palaeoclimatology, Palaeoecology 
Abstract: Two new 40Ar/39Ar ages (*) and previously published K/Ar ages of basaltic pillow lava flows are coeval with closely-related fossiliferous marine layers, allowing us to establish the beginning (5.8; 5.0; 4.8Ma at Ajuí, Fuerteventura Island and 4.8±0.03Ma (2?)* at Tamaraceite) and a middle stage (4.20±0.18Ma (2?)* at La Esfinge in Gran Canaria Island) of Early Pliocene marine deposits in the Canary Islands. Here the presence of tropicopolitan fossils (Megaselachus megalodon, Janthina typica) suggests the influence of a possible Central American Circumtropical Current during the Pliocene and in the North Atlantic basin.
URI: http://hdl.handle.net/10553/17950
ISSN: 0031-0182
DOI: 10.1016/j.palaeo.2015.05.027
Source: Palaeogeography, Palaeoclimatology, Palaeoecology [ISSN 0031-0182], v. 435, p. 53-69
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