Physical and chemical properties of evolved rhyolitic melts: application to topaz-bearing granites


Grant No.:

436 TSE 113/480-1

Grant Agency:

International project: Scientific cooperation between Czech Republic and Germany (Academy of Sciences of the Czech Republic – German Research Foundation)

Resolved in:

2006 - 2008

Principal investigator:

RNDr. Miloš René, CSc., Department of Geochemistry, IRSM AS CR, v.v.i.


Prof. Francois Holtz, Univerzita Hannover, Germany


The objective of the project is the study of the stability of topaz, fluorite and cassiterite at magmatic conditions and to determine the viscosity of such volatile-rich melts. The experimental study will be carried out using a complementary approach based on petrological, structural and geochemical studies of topaz-bearing granites of the Krudum granite body (Saxothuringian Zone of the Bohemian Massif).