Weakly alkaline trachybasalt - rhyolite series from Teplá Highland, western Bohemia - geochemical constraints.

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F03%3A09033173" target="_blank" >RIV/67985831:_____/03:09033173 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Weakly alkaline trachybasalt - rhyolite series from Teplá Highland, western Bohemia - geochemical constraints.

Original language description

West Bohemian Cenozoic volcanism is formed by weakly (WAS) and strongly (SAS) alkaline series. Both represent cogenetic association of contrasting silica saturated to oversaturated and undersaturated series. According to geochemical data the WAS represent a comagmatic differentiation suite generated by medium-grade partial melting of mantle source in the course of coherent crustal assimilation and fractional crystallisation processes. High contents of SREE and enrichment in LREE along with high (La/Yb)Nratios is typical for the WAS. Salic derivatives (rhyolite and trachyte) reveal anomalous concentration of Mn, both in primary rock-forming minerals (diopside-hedenbergite, arfvedsonite, winchite, phlogopite, magnetite), and in secondary hydrothermal Mn-oxyhydroxide vein mineralisation. The presence of sulphur in cavities of trachytes indicates postmagmatic activity.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

DB - Geology and mineralogy

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2003

Confidentiality

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

Name of the periodical

Geologica Bavarica

ISSN

0016-755X

e-ISSN

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Volume of the periodical

107

Issue of the periodical within the volume

N/A

Country of publishing house

DE - GERMANY

Number of pages

26

Pages from-to

127-152

UT code for WoS article

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EID of the result in the Scopus database

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