Problems and challenges in detection of pre-Mesozoic maar volcanoes: example from the Principálek volcano in the Permian Krkonoše Piedmont basin

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F14%3A00000430" target="_blank" >RIV/00025798:_____/14:00000430 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/67985891:_____/14:00434481

Výsledek na webu

<a href="http://www.jgeosci.org/detail/jgeosci.170" target="_blank" >http://www.jgeosci.org/detail/jgeosci.170</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3190/jgeosci.170" target="_blank" >10.3190/jgeosci.170</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Problems and challenges in detection of pre-Mesozoic maar volcanoes: example from the Principálek volcano in the Permian Krkonoše Piedmont basin

Popis výsledku v původním jazyce

The Permian pyroclastic deposits on the Principálek Hill SW of Vrchlabí (Czech Republic) were investigated by means of geological mapping and geophysics. The pyroclastic rocks are exposed in several small coherent outcrops, yet many interpretations are based on debris. The preserved textures enable reconstruction of eruptive styles. The volcanism started with phreatomagmatic eruptions documented by the fine-grained tuff with accretionary lapilli at the base. Subsequently, the activity changed to phreato-Strombolian/Surtseyan producing lapilli-tuffs and lapillistones. These events were followed by a Strombolian phase as evidenced by ill-sorted scoriaceous tuff-breccias with volcanic bombs. The uppermost unit consists of welded lava agglutinates and basaltic lavas suggesting a Hawaiian style of eruption. One of the basaltic feeder necks is exposed in a small abandoned quarry. Geophysical surveys were carried out over the extent of pyroclastic deposits. These included gravimetry, magnetom

Název v anglickém jazyce

Problems and challenges in detection of pre-Mesozoic maar volcanoes: example from the Principálek volcano in the Permian Krkonoše Piedmont basin

Popis výsledku anglicky

The Permian pyroclastic deposits on the Principálek Hill SW of Vrchlabí (Czech Republic) were investigated by means of geological mapping and geophysics. The pyroclastic rocks are exposed in several small coherent outcrops, yet many interpretations are based on debris. The preserved textures enable reconstruction of eruptive styles. The volcanism started with phreatomagmatic eruptions documented by the fine-grained tuff with accretionary lapilli at the base. Subsequently, the activity changed to phreato-Strombolian/Surtseyan producing lapilli-tuffs and lapillistones. These events were followed by a Strombolian phase as evidenced by ill-sorted scoriaceous tuff-breccias with volcanic bombs. The uppermost unit consists of welded lava agglutinates and basaltic lavas suggesting a Hawaiian style of eruption. One of the basaltic feeder necks is exposed in a small abandoned quarry. Geophysical surveys were carried out over the extent of pyroclastic deposits. These included gravimetry, magnetom

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DB - Geologie a mineralogie

OECD FORD obor

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Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Geosciences

ISSN

1802-6222

e-ISSN

—

Svazek periodika

59

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

13

Strana od-do

169-181

Kód UT WoS článku

000341694500001

EID výsledku v databázi Scopus

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