U/Th-dating of deep-water corals from the eastern North Atlantic and the western Mediterranean Sea.
In: Cold-Water Corals & Ecosystems; 2005, p157-172, 16p
Buch
Zugriff:
Deep-water corals are widespread in the North Atlantic. Colonial azooxanthellate scleractinians sustain ecosystems mostly in the bathyal zone down the slopes and oceanic banks off the Iberian Peninsula to as far north as the Scandinavian shelf off northern Norway. Estimates of the geological age of 37 deepwater corals exposed at the seabed from major reef areas in the North Atlantic were based on U/Th datings. In contrast to the purely Holocene ages of deep-water corals in Scandinavian waters, the Faroe area and the Rockall Trough, deep-water corals from lower latitudes like the seamounts off NW-Africa, the Mid-Atlantic Ridge and the western Mediterranean Sea seemed to have grown continuously over the last 50 ka. Overall, deep-water corals showed U/Th ages between 0.09 and 53.5 ka. [ABSTRACT FROM AUTHOR]
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Titel: |
U/Th-dating of deep-water corals from the eastern North Atlantic and the western Mediterranean Sea.
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Autor/in / Beteiligte Person: | Freiwald, André ; Roberts, J. Murray ; Schröder-Ritzrau, Andrea ; Mangini, Augusto |
Quelle: | Cold-Water Corals & Ecosystems; 2005, p157-172, 16p |
Veröffentlichung: | 2005 |
Medientyp: | Buch |
ISBN: | 978-3-540-24136-2 (print) |
DOI: | 10.1007/3-540-27673-48 |
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