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File:Rochechouart-Breccia-Valette.jpg

Rochechouart-Breccia-Valette.jpg ‎(800 × 600 pixels, file size: 71 KB, MIME type: image/jpeg)

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Fragment de brèche d'impactite du cratère d'impact de Rochechouart (France).

Brèche à forte fusion, type La Valette

La Valette est un lieu-dit situé dans la proximité immédiate du centre de l'impact. Cet échantillon montre une matrice vitreuse (rouge) dans laquelle se sont mélangés des morceaux de roche de tailles variées. Par rapport aux brèches de Babaudus, plus proches du centre de l'impact, la matrice vitreuse est bien plus ténue et les fragments de roche sont plus gros.

Dimensions 105 x 230 mm
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Author Photo : Peter Bockstaller (avec permission, email de confirmation disponible sur demande fmichaud76 22:28, 8 February 2007 (UTC))
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Date/TimeThumbnailDimensionsUserComment
current21:21, 13 February 2007Thumbnail for version as of 21:21, 13 February 2007800 × 600 (71 KB)Geneamichaud (talk | contribs){{Information |Description=''Fragment de brèche d'impactite du [http://fr.wikipedia.org/wiki/Astrobl%C3%A8me_de_Rochechouart-Chassenon cratère d'impact de Rochechouart] (France).'' '''Brèche à forte fusion, type La Valette''' La Valette est un lieu-
21:52, 6 February 2007Thumbnail for version as of 21:52, 6 February 2007800 × 416 (74 KB)Geneamichaud (talk | contribs)== Description == {{Information |Description=Rochechouart-Breccia-Valette.jpg |Source=œuvre personnelle |Date=2007 |Author=Peter Bockstaller |Permission={{cc-by-2.5}} }} ''Fragment de brèche d'impactite du cratère d'impact de Rochechouart (France).''

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