Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/29195
COMPARTIR / EXPORTAR:
logo share SHARE logo core CORE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE

Invitar a revisión por pares abierta
Título

Autopsy on a dead spreading center: The Phoenix Ridge, Drake Passage, Antarctica

AutorLivermore, Roy; Balanyá, Juan Carlos; Maldonado, Andrés CSIC ORCID; Martínez-Martínez, José Miguel; Rodríguez-Fernández, José; Sanz de Galdeano, Carlos CSIC ORCID; Galindo-Zaldívar, Jesús; Jabaloy, Antonio; Barnolas Cortina, Antonio; Somoza, Luis CSIC ORCID ; Hernández-Molina, Francisco J.; Suriñach, Emma; Viseras, C.
Palabras claveDrake passage
Phoenix ridge
Antarctic plate
Spreading centers
Fecha de publicaciónjul-2000
EditorGeological Society of America
CitaciónGeology 28(7): 607-610 (2000)
ResumenNew bathymetric and magnetic anomaly data from the Phoenix Ridge, Antarctica, show that extinction of all three remaining segments occurred at the time of magnetic chron C2A (3.3 ± 0.2 Ma), synchronous with a ridge-trench collision south of the Hero Fracture Zone. This implies that the ultimate cause of extinction was a change in plate boundary forces occasioned by this collision. Spreading rates slowed abruptly at the time of chron C4 (7.8 ± 0.3 Ma), probably as a result of extinction of the West Scotia Ridge, which would have led to an increase in slip rate and transpressional stress across the Shackleton Fracture Zone. Spectacular, high-relief ridges flanking the extinct spreading center, mapped for the first time using multibeam swath bathymetry, are interpreted as a consequence of a reduction in spreading rate, involving a temporary magma oversupply immediately prior to extinction.
Descripción4 páginas, 4 figuras.
Versión del editorhttp://dx.doi.org/10.1130/0091-7613(2000)28<607:AOADSC>2.0.CO;2
URIhttp://hdl.handle.net/10261/29195
DOI10.1130/0091-7613(2000)28<607:AOADSC>2.0.CO;2
ISSN0091-7613
Aparece en las colecciones: (IACT) Artículos
(IGME) Artículos




Ficheros en este ítem:
Fichero Descripción Tamaño Formato
livermore_others_2000.pdf141,48 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo

CORE Recommender

SCOPUSTM   
Citations

105
checked on 24-mar-2024

Page view(s)

473
checked on 28-mar-2024

Download(s)

388
checked on 28-mar-2024

Google ScholarTM

Check

Altmetric

Altmetric


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.