New detailed swath bathymetry and bottom samples from Coral Patch and Ormonde seamounts provide constraints on the emplacement of the Madeira hotspot in the Eastern Atlantic Ocean. Swath bathymetric data document that Coral Patch is a composite structure, made up of at least nine distinct volcanic centres. Lithified pelagic carbonates infilling fissures in lava blocks constrain a minimal age for the volcanism in the Early Miocene and represent the first documentation of Coral Patch acting as an offshore terrigenous-starved seamount. At Coral Patch, as already observed at the Ormonde seamount, volcanism was emplaced on top of a pre-existing relief resulting from the regional tectonic compressive regime.

Coral Patch and Ormonde seamounts as products of the Madeira hotspot, Eastern Atlantic Ocean / F., D'Oriano; L., Angeletti; L., Capotondi; M. A., Laurenzi; M. L., Correa; M., Taviani; Torelli, Luigi; Trua, Teresa; L., Vigliotti; N., Zitellini. - In: TERRA NOVA. - ISSN 0954-4879. - 22:(2010), pp. 494-500. [10.1111/j.1365-3121.2010.00973.x]

Coral Patch and Ormonde seamounts as products of the Madeira hotspot, Eastern Atlantic Ocean.

TORELLI, Luigi;TRUA, Teresa;
2010-01-01

Abstract

New detailed swath bathymetry and bottom samples from Coral Patch and Ormonde seamounts provide constraints on the emplacement of the Madeira hotspot in the Eastern Atlantic Ocean. Swath bathymetric data document that Coral Patch is a composite structure, made up of at least nine distinct volcanic centres. Lithified pelagic carbonates infilling fissures in lava blocks constrain a minimal age for the volcanism in the Early Miocene and represent the first documentation of Coral Patch acting as an offshore terrigenous-starved seamount. At Coral Patch, as already observed at the Ormonde seamount, volcanism was emplaced on top of a pre-existing relief resulting from the regional tectonic compressive regime.
2010
Coral Patch and Ormonde seamounts as products of the Madeira hotspot, Eastern Atlantic Ocean / F., D'Oriano; L., Angeletti; L., Capotondi; M. A., Laurenzi; M. L., Correa; M., Taviani; Torelli, Luigi; Trua, Teresa; L., Vigliotti; N., Zitellini. - In: TERRA NOVA. - ISSN 0954-4879. - 22:(2010), pp. 494-500. [10.1111/j.1365-3121.2010.00973.x]
File in questo prodotto:
File Dimensione Formato  
Doriano et al Terra Nova 2010.pdf

non disponibili

Tipologia: Altro materiale allegato
Licenza: Creative commons
Dimensione 1.76 MB
Formato Adobe PDF
1.76 MB Adobe PDF   Visualizza/Apri   Richiedi una copia
Doriano_Abstract.pdf

non disponibili

Tipologia: Abstract
Licenza: Creative commons
Dimensione 155.79 kB
Formato Adobe PDF
155.79 kB Adobe PDF   Visualizza/Apri   Richiedi una copia
Doriano_Supp_Mat_Appendix_S5.zip

non disponibili

Tipologia: Altro materiale allegato
Licenza: Creative commons
Dimensione 700.68 kB
Formato Unknown
700.68 kB Unknown   Visualizza/Apri   Richiedi una copia

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2340749
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 9
  • ???jsp.display-item.citation.isi??? 8
social impact