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Titel |
North American Peripheral Bulge Constraints on mantle rheology |
VerfasserIn |
Samuel Kachuck, Larry Cathles, Aleksey Amantov, Willy Fjeldskaar |
Konferenz |
EGU General Assembly 2014
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Medientyp |
Artikel
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Sprache |
Englisch
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 16 (2014) |
Datensatznummer |
250092582
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Publikation (Nr.) |
EGU/EGU2014-6937.pdf |
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Zusammenfassung |
The most effective way to infer mantle rheology from GIA data proceeds from long wavelengths that probe lower mantle viscous properties to short wavelengths that interrogate upper mantle, asthenosphere, and lithosphere properties. In this poster we focus on the peripheral response to North American deglaciation and demonstrate that the observed response is matched best by a mantle viscosity of ~10**21 Pa s and some combination of a fluid asthenosphere, substantial lithosphere and glacial history. |
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