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  4. Early rifting of Gondwana : Conclusions from the crustal structure of the Falkland Plateau
 
Zitierlink URN
https://nbn-resolving.de/urn:nbn:de:gbv:46-00106633-11

Early rifting of Gondwana : Conclusions from the crustal structure of the Falkland Plateau

Veröffentlichungsdatum
2018-06-08
Autoren
Schimschal, Claudia Monika  
Betreuer
Jokat, Wilfried  
Gutachter
Spiegel, Cornelia  
Zusammenfassung
During the Jurassic, the Falkland Plateau was part of Gondwana and occupied a position between the African, South American and Antarctic plates. Several contrasting kinematic models exist for the breakup of Gondwana because of the currently unknown crustal structure of the plateau. In this thesis, I present the results of recently acquired wide-angle seismic data along the entire plateau that provide sound constraints on its role in geodynamic reconstructions. The new data show that the Falkland Plateau Basin consists of up to 20 km thick oceanic crust. Maurice Ewing Bank is an up to 29 km thick continental fragment, which was directly attached to the Falkland Islands block during the Jurassic. Rifting between the Falkland Islands and the Maurice Ewing Bank started at 178 Ma and ceased at around 154 Ma.
Schlagwörter
Falkland Plateau

; 

Maurice Ewing Bank

; 

Gondwana breakup

; 

Wide-angle seismic data
Institution
Universität Bremen  
Fachbereich
Fachbereich 05: Geowissenschaften (FB 05)  
Dokumenttyp
Dissertation
Zweitveröffentlichung
Nein
Sprache
Englisch
Dateien
Lade...
Vorschaubild
Name

00106633-1.pdf

Size

91.04 MB

Format

Adobe PDF

Checksum

(MD5):a950f464a77ce5a055cdfff27ddf9a14

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