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GEOREF RECORD
Influence of the (4H) (sub Si) defect on dislocation motion in crystalline quartz
Patrick Cordier, John A. Weil, David F. Howarth and Jean-Claude Doukhan
Influence of the (4H) (sub Si) defect on dislocation motion in crystalline quartz
European Journal of Mineralogy (February 1994) 6 (1): 17-22
Influence of the (4H) (sub Si) defect on dislocation motion in crystalline quartz
European Journal of Mineralogy (February 1994) 6 (1): 17-22
Index Terms/Descriptors
Abstract
Previous studies showed that the glide motion of dislocations in quartz is enhanced in the presence of 'water'-related point defects, as long as the P-T conditions prevent the precipitation of these defects. New e.p.r. studies are now reported that provide some evidence that these defects are the hydrogarnet defect (4H) (sub Si) . Models of water speciation and hydrolytic weakening are re-appraised to take into account this observation; such defects may be the rate-controlling process of deformation of quartz in nature.
ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 6
Serial Issue: 1
Title: Influence of the (4H) (sub Si) defect on dislocation motion in crystalline quartz
Affiliation: Universite des Sciences et Technologies de Lille, Laboratoire de Structure et Proprietes de l'Etat Solide,
Villeneuve d'Ascq,
France
Pages: 17-22
Published: 199402
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller),
Stuttgart,
Federal Republic of Germany
References: 33
DOI:
10.1127/ejm/6/1/0017
Accession Number: 1994-025432
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Secondary Affiliation: University of Saskatchewan,
CAN,
Canada
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199412
