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Petrology of differentiated alkaline, high-level intrusive bodies in the Zahořany - Chotiněves belt
Mysliveček, Jakub ; Verner, Kryštof (advisor) ; Erban, Vojtěch (referee)
The aim of the work was petrological research focused on alkaline volcanic bodies in line between villages Zahořany - Chotiněves near Litoměřice. Part of the area is covered by Tertiary volcanism products, which affected large parts of Europe and in our territory extends in the form of extensional structure of Ohře rift. The Field of studied objects is located nearby the southern edge of České středohoří vulcanic complex and the northern edge of the Central Volcanic Field. The question was whether studied area belongs, if it's still České středohoří volcanic complex or it belongs to Central Bohemian volcanic field. The area was visited several times for determinate the volcanic bodies and have been identified six localities which were collected rock samples for geochemical analysis and Probe Micro Analysis. Also, the detailed mapping of the bodies and their spatial extensions was performed because currently available geological map of 1: 50 000 do not correspond to reality. The area is situated close to Litoměřice break, which probably caused the linear distribution of magma in the direction of fracture, approximately NE - SW. Studied rocks by the classification TAS are classified as basaltic trachyandesites and are mainly composed by plagioclase, clinopyroxene, magnetite and to a small extent from biotite...

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1 Mysliveček, Jan
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