Format:
Online-Ressource (116 S., 31.48 MB)
,
Ill., graph. Darst., Kt.
Content:
On a seismic wide-angle profile across Malpelo Ridge, located in the Eastern Panama Basin, converted shear waves of very high quality were recorded. The evaluation of a model of Poisson's ratio versus depth enabled an interpretation in terms of the lithological composition of the underground. Values of compressional and shear wave velocities and Poisson's ratios were mainly compared to laboratory measurements obtained from ophiolite sequences, and match the expected layering for the oceanic crust and upper mantle very well. A sedimentary layer consisting of calcareous ooze covers a layer of extrusives, that is underlain by a sheeted dike complex and subsequently by pyroxene- and olivine gabbros. The upper mantle consists of ultramafites...
Note:
Kiel, Univ., Diss., 2002
Additional Edition:
Erscheint auch als Druck-Ausgabe Trummer, Irmgard S-wave processing and interpretation of wide-angel seismic refraction data, Malpelo Ridge, Eastern Panama Basin 2002
Language:
German
Keywords:
Panamabecken
;
Ozeanischer Rücken
;
Lithologie
;
Seismik
;
Hochschulschrift
URN:
urn:nbn:de:gbv:8-diss-6385
Author information:
Flueh, Ernst R.
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