Influencia de las burbujas en la viscosidad de magmas haplograníticos vesiculados.

  1. López, S. 1
  2. Fernández, C. 1
  3. Donaire, T. 1
  4. Castro, A. 1
  1. 1 Universidad de Huelva
    info

    Universidad de Huelva

    Huelva, España

    ROR https://ror.org/03a1kt624

Revue:
Geogaceta

ISSN: 0213-683X

Année de publication: 2002

Número: 33

Pages: 95-98

Type: Article

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D'autres publications dans: Geogaceta

Résumé

The changes in the viscosity of bubble-bearing haplogranitic magmas with crystallinity are a prime function of the applied deformation rateo Under high deformation rates melt and magma viscosities are found to strongly increase with crystallinity. Low deformation rates promote, instead, a decrease in melt viscosity and a rather small in crease in magma viscosity with crystallinity. These changes could explain some observed geological features in plutons.

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