Physics
Scientific paper
Mar 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pepi...21p...1s&link_type=abstract
Physics of the Earth and Planetary Interiors, Volume 21, Issue 4, p. P1-P6.
Physics
5
Scientific paper
Palaeomagnetic results from Fuerteventura (Canary Islands) suggest that the oldest subaerial lava succession (Series I) originated at around the Cretaceous/Tertiary boundary, implying that the basal, post-Albian, complex of submarine volcanics, sheeted dikes and plutonics was emplaced sometime in the late Cretaceous. This time-range for early Fuerteventura magmatism and related tectonic movements is contemporaneous with the major sedimentary hiatus encountered in IPOD drill sites along the continental margins of northwest Africa and southwest Europe. This extensive late Cretaceous unconformity is probably directly related to tectonic uplift which locally formed the island of Fuerteventura. The close timing of these tectonomagmatic processes with the suggested final break-up between Africa and South America may indicate that both the North and South Atlantic Oceans had an intimately connected initial spreading history.
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