Home > Search Results: Dolníček, Zdeněk
Search:
Search Tips :: Advanced Search
Search collections:
Sort by: Display results: Output format:
National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Mineralogy of VMS-type deposits and their comparison with samples from the Tisova deposit
 Bulyžkin, Rodion ; Zachariáš, Jiří (advisor) ; Dolníček, Zdeněk (referee)
Mineralogy of VMS-type deposits and their comparison with samples from the Tisová deposit Rodion Bulyžkin Abstract Volcanogenic Massive Sulphides (VMS) deposits are a specific type of mineral deposits that are currently an important source of mineral resources. They are essential for their high metal content used for the industrial and energy sectors of the world economy and the future development of human society. They are rich in both, base and precious metals and therefore deposits of this type are of strategic importance. Their study and exploration provide important information on the formation of mineral resources and the evolution of submarine volcanic systems. They also contribute to a better understanding of geological processes and the evolution of our planet, and makes it possible to discover new reserves of metals (especially copper and zinc ores, which are used in industry, such as electronics, building materials and energy) that can be exploited for future generations. The formation of these deposits is linked to processes that take place near subduction zones or where tectonic plates collide. During these processes, hot solutions and mineral-rich gaseous phases react with the surrounding rocks and seawater. Such contact results in rapid cooling of the hydrothermal fluid and...
Detailed record
Fluid inclusion study of pegmatites from Vepice and Vlastějovice
 Surmová, Petra ; Zachariáš, Jiří (advisor) ; Dolníček, Zdeněk (referee)
Fluid inclusions of pegmatites from two localities in the Moldanubina Zone were studied in order to constrain PT conditions of their crystallization and establish composition and properties of fluids associated with pegmatite formation. The first locality is Vepice near Tábor, second locality is Vlastějovice near Zruč nad Sázavou. Pegmatit of Vepice consists of irregular pockets in amphibole- biotic granite dark type to a porphyric syenodioritot Čertova břemene. Fluid inclusions have been studied in several cm large quartz crystals of miarolic cavities from the central zone pegmatites pockets within the central zone of the pegmatite pockets. The collected fluids are aqueous- type with a low salt content (usually in the range of 4-6 hm% NaClekv. Pegmatites in Vepice among the complex Y-REE-Nb-Ta-Ti pegmatites. In terms of PT conditions pegmatites belong to the classification of rare element pegmatite or miarolitic's pegmatites. The studied sample of Vlastějovice (skarn's body) represented a transition from quartz-feldspar pegmatite lithium zone to zone with predominance of quartz (quartz core). Only one sample was studied, which originated from the historical collections F. Čech (Čech, 1985). The sample is an exceptional presence of large quantities of the solid phase (up to 4-5 stages). Using Raman...
Detailed record

See also: similar author names
1 Dolníček, Z.
Interested in being notified about new results for this query?
Subscribe to the RSS feed.
Digital Repository :: Search :: Submit :: Personalize :: Help
Powered by Invenio v1.1.2
Maintained by admin.invenio@techlib.cz
This site is also available in the following languages:
Česky  English