![](/img/cover-not-exists.png)
Sequential opening and filling of cavities forming vesicles, amygdales and giant amethyst geodes in lavas from the southern Paraná volcanic province, Brazil and Uruguay
Hartmann, Léo Afraneo, da Cunha Duarte, Lauren, Massonne, Hans-Joachim, Michelin, Cassiana, Rosenstengel, Leonardo Manara, Bergmann, Magda, Theye, Thomas, Pertille, Juliana, Arena, Karine Rosa, DuarteVolume:
54
Language:
english
Journal:
International Geology Review
DOI:
10.1080/00206814.2010.496253
Date:
January, 2012
File:
PDF, 10.41 MB
english, 2012