Record details

Title
    Tephra Characteristics and Eruption Mechanics of the Komorní Hůrka Hill Scoria Cone, Cheb Basin,, Czech Republic
Statement of responsibility
    Joachim Gottsmann
Other titles
    Magmatism and Rift Basin Evolution (Variant.)
Author
    Gottsmann, Joachim
Language
    anglicky
Source title - serial
    Geolines
Vol./nr.
    Vol. 9
Pages
    p. 35-40
Year
    1999
Notes
    2 obr., 2 fot., 2 s.bibl.
Subject group
    brekcie vulkanická
    erupce typu Stromboli
    granulometrie
    kenozoické vulkanity Českého masivu
    kvartér
    nefelinit
    sklo vulkanické
    tefra
    vulkanologie
Geographical name
    ČR-Čechy
    Komorní hůrka
Keyword
    Basin
    Characteristics
    Cheb
    Cone
    Czech
    Eruption
    Hill
    Hůrka
    Komorní
    Mechanics
    Republic
    Scoria
    Tephra
Abstract (in english)
   Komorní Hůrka Hill scoria cone is situated in the SW of the Cheb Basin between Cheb and Františkovy Lázně in Western Bohemia, Czech republic. The monogenetic olivine nephelinite volcano is dominated by ejected scoria that developed pyriclastic breccias. This major activity of the volcano can be attributed to Strombolian-type eruptions. The presence of xenolith-rich ash and lapilli deposits however suggests different fragmentation processes related to phreatomagmatic activity. The effusion of a blocky aa-lava flow from a flank fissure on the SW slope of the cone marked the end of the eruption. Petrographic and morphological studies on tehra were conducted to dicriminate between different eruption and fragmentation processes. In addition a detailed petrographical study of the lava flow helped to reconstruct the eruptive history of the Quaternary Komorní Hůrka Hill scoria cone
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    14. 2. 2008
Import date
    8. 8. 2012