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Water solubility in quartz and its influence on ductility

P. Cordier and J. C. Doukhan
Water solubility in quartz and its influence on ductility
European Journal of Mineralogy (April 1989) 1 (2): 221-237


The deformation of wet synthetic quartz at moderate T is accompanied by a continuous change of the state of dispersion of H (sub 2) O; other relevant parameters of the deformation process are affected by this phenomenon. The solubility of H (sub 2) O in quartz as a function of P at 700 degrees C has been characterized experimentally. Wet samples have been annealed at this T at various P and then checked by TEM for precipitation of H (sub 2) O. It is found that the solubility increases with P. Wet quartzes were then deformed with a homogeneous H (sub 2) O content at P-T conditions: 1) lower than the equilibrium concentration, and 2) only slightly larger. Only glide is seen in the first case, but in supersaturated samples dislocation climb is active from the beginning of deformation and leads to a markedly lower flow stress.

ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 1
Serial Issue: 2
Title: Water solubility in quartz and its influence on ductility
Affiliation: Univ. Lille-Flandres-Artois, Lab. Struct. Prop. Etat Solide, F-59655 Villeneuve d'Ascq Cedex, France
Pages: 221-237
Published: 198904
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 44
Accession Number: 1993-015423
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom. Reference includes data from Geoline, Bundesanstalt fur Geowissenschaften und Rohstoffe, Hanover, Germany
Update Code: 1993
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