Gilg, H.A., Morteani, G., Kostitsyn, Y., Preinfalk, C., Gatter, I., and Strieder, A.J. (2003) Genesis of amethyst geodes in basaltic rocks of the Serra Geral Formation (Ametista do Sul, Rio Grande do Sul, Brazil): a fluid inclusion, REE, oxygen, carbon, and Sr isotope study on basalt, quartz, and calcite. Mineralium Deposita, 38(8), 1009-1025.

Locality Pages

Mineral Occurrences

See Also

These are possibly similar items as determined by title/reference text matching only.

	Gilg, H. Albert, Morteani, Giulio, Kostitsyn, Yuri, Preinfalk, Christine, Gatter, Istvan, Strieder, Adelir J. (2003) Genesis of amethyst geodes in basaltic rocks of the Serra Geral Formation (Ametista do Sul, Rio Grande do Sul, Brazil): a fluid inclusion, REE, oxygen, carbon, and Sr isotope study on basalt, quartz, and calcite. Mineralium Deposita, 38 (8) 1009-1025 doi:10.1007/s00126-002-0310-7
	Morteani, Giulio, Kostitsyn, Y., Preinfalk, C., Gilg, H.A. (2010) The genesis of the amethyst geodes at Artigas (Uruguay) and the paleohydrology of the Guaraní aquifer: structural, geochemical, oxygen, carbon, strontium isotope and fluid inclusion study. International Journal of Earth Sciences, 99, 927-947.
	PROUST, DOMINIQUE, FONTAINE, CLAUDE (2007) 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. Geological Magazine, 144 (4) 731-739 doi:10.1017/s0016756807003457
	Giulio Morteani, Y. Kostitsyn, C. Preinfalk, H. A. Gilg (2010) The genesis of the amethyst geodes at Artigas (Uruguay) and the paleohydrology of the Guaraní aquifer: structural, geochemical, oxygen, carbon, strontium isotope and fluid inclusion study. International Journal of Earth Sciences 99:927-947
	Morteani, Giulio, Kostitsyn, Y., Preinfalk, C., Gilg, H. A. (2010) The genesis of the amethyst geodes at Artigas (Uruguay) and the paleohydrology of the Guaraní aquifer: structural, geochemical, oxygen, carbon, strontium isotope and fluid inclusion study. International Journal of Earth Sciences, 99 (4) 927-947 doi:10.1007/s00531-009-0439-z
	Neves, Paulo (2019) The Museum Mine, Ametista do Sul, Rio Grande do Sul, Brazil. https://www.mindat.org/a/museumine001
	Frank, H.T. (2008) Gênese e padrões de distribuição de minerais secundários na formação Serra Geral (Bacia do Paraná). [Genesis and patterns of secondary minerals distribution in the Serra Geral formation (Bacia do Parana)]. PhD thesis (Geosciences) Universidade Federal do Rio Grande do Sul, Brazil.
	Mossmann, D. J. et al. (2009): "Skunk calcite". Mineral Paragenesis in an amethyst geode from Ametista, Rio Grande do Sul, Brazil. Mineralogical Record. 40:121-125
	Gilg, H. Albert, Krüger, Yves, Taubald, Heinrich, van den Kerkhof, Alfons M., Frenz, Martin, Morteani, Giulio (2014) Mineralisation of amethyst-bearing geodes in Ametista do Sul (Brazil) from low-temperature sedimentary brines: evidence from monophase liquid inclusions and stable isotopes. Mineralium Deposita, 49 (7) 861-877 doi:10.1007/s00126-014-0522-7
	Mossmann, D.J., Ehrman, J.M., Brüning, R., Semple, L., and Groat, L.A. (2009) "Skunk calcite". Mineral Paragenesis in an amethyst geode from Ametista, Rio Grande do Sul, Brazil. Mineralogical Record, 40, 121-125.
	Commin-Fischer, Adriane, Berger, Gilles, Polvé, Mireille, Dubois, Michel, Sardini, Paul, Beaufort, Daniel, Formoso, Milton (2010) Petrography and chemistry of SiO2 filling phases in the amethyst geodes from the Serra Geral Formation deposit, Rio Grande do Sul, Brazil. Journal of South American Earth Sciences, 29 (3) 751-760 doi:10.1016/j.jsames.2009.10.002