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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Interpretation of gravity data at the area of granitic intrusions of the Moldanubian pluton near Kaplice
 Melnyk, Anastasiia ; Valenta, Jan (advisor) ; Blecha, Vratislav (referee)
English abstract The thesis is devoted to the interpretation of gravity data in granite intrusions of Moldanubian Pluton near Kaplice. This research was based on gravimetric field measurements taken on two parallel profiles in April 2016. Data from the profiles were then processed and geologically interpreted. Evaluate of derived gravity data showed that the positions of increased gravity field gradient roughly correspond to mapped geological interface. Individual rock types can therefore be distinguished using gravimetry.
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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...
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