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Journal Article
Amethyst geodes in the basaltic flow from Triz quarry at Ametista do Sul (Rio Grande do Sul, Brazil): magmatic source of silica for the amethyst crystallizations
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 July 2007
Geological Magazine (2007) 144 (4): 731–739.
Journal Article
Amethyst-bearing lava flows in the Paraná Basin (Rio Grande do Sul, Brazil): cooling, vesiculation and formation of the geodic cavities
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 01 January 2007
Geological Magazine (2007) 144 (1): 53–65.
Journal Article
Geological significance of two smectite-rich beds from lower Cenomanian sediments, northern Aquitaine Basin, France
Publisher: Société Géologique de France
Published: 01 November 1999
Bulletin de la Société Géologique de France (1999) 170 (6): 873–882.
Journal Article
Hydrothermal processes and ore-forming fluids in the Le Bourneix gold deposit, central France
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 August 1989
Economic Geology (1989) 84 (5): 1328–1339.
Journal Article
Supergene vermiculitization of a magnesian chlorite; iron and magnesium removal processes
Journal: Clays and Clay Minerals
Publisher: Clay Minerals Society
Published: 01 October 1986
Clays and Clay Minerals (1986) 34 (5): 572–580.