. "\u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts.; Cenozoic; volcanostratigraphy"@en . "681128" . "2"^^ . . "Balogh, K." . "[EBE29861CD85]" . "P(IAA3111601), Z(AV0Z3013912)" . . "Cajz, Vladim\u00EDr" . . "Krystalinikum" . "Geochemistry of the stratified volcanosedimentary complex in the central part of the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., North Bohemia."@en . . "Ulrych, Jarom\u00EDr" . . . "CZ - \u010Cesk\u00E1 republika" . "On the basis of a new volcanological model and geochemical investigation in the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., the following volcanostratigraphic formations were recognized: (i) the Lower Fm. - lavas and volcaniclastics of basanitic character (36-26 Ma; Mg# = 57-76; 87Sr/86Sr = 0.703128 -0.703526 and 143Nd/144Nd = 0.512738-0.512849) corresponding to primitive upper mantle products; (ii) the Upper Fm. - lavas and volcaniclastics of trachybasaltic type (31-25 Ma; Mg# = 41-58 87Sr/86Sr = 0.704428-0.704649 and 143Nd /144Nd = 0.512679-0.512742) representing differentiated and partly crustal-contaminated evolved products; (iii) the Uppermost Fm. - flow(s) of basanite (24 Ma), similar in geochemical characteristics to those of the Lower Fm. Volcaniclastic products of the Lower Fm. (Mg# = 51-69) and the Upper Fm. (Mg# = 45-51) also substantially differ in bulk composition. The volcaniclastics underwent alteration to a different degree, which has significantly changed their geochemical signatures. Enrichment and deple"@en . "Geochemistry of the stratified volcanosedimentary complex in the central part of the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., North Bohemia." . . "23"^^ . "0454-5524" . . "On the basis of a new volcanological model and geochemical investigation in the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., the following volcanostratigraphic formations were recognized: (i) the Lower Fm. - lavas and volcaniclastics of basanitic character (36-26 Ma; Mg# = 57-76; 87Sr/86Sr = 0.703128 -0.703526 and 143Nd/144Nd = 0.512738-0.512849) corresponding to primitive upper mantle products; (ii) the Upper Fm. - lavas and volcaniclastics of trachybasaltic type (31-25 Ma; Mg# = 41-58 87Sr/86Sr = 0.704428-0.704649 and 143Nd /144Nd = 0.512679-0.512742) representing differentiated and partly crustal-contaminated evolved products; (iii) the Uppermost Fm. - flow(s) of basanite (24 Ma), similar in geochemical characteristics to those of the Lower Fm. Volcaniclastic products of the Lower Fm. (Mg# = 51-69) and the Upper Fm. (Mg# = 45-51) also substantially differ in bulk composition. The volcaniclastics underwent alteration to a different degree, which has significantly changed their geochemical signatures. Enrichment and deple" . . "27;49" . "RIV/67985831:_____/01:09013142!RIV/2003/AV0/A09003/N" . "N/A" . "Erban, V." . "RIV/67985831:_____/01:09013142" . . . . . . . . "0"^^ . "4"^^ . "Geochemistry of the stratified volcanosedimentary complex in the central part of the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., North Bohemia."@en . "0"^^ . . "27" . "Geochemistry of the stratified volcanosedimentary complex in the central part of the \u010Cesk\u00E9 st\u0159edoho\u0159\u00ED Mts., North Bohemia." .