Počet záznamov: 1
Implication of mineralogy and isotope data on the origin of the Permian basic volcanic rocks of the Hronicum (Slovakia, Western Carpathians)
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$a 10.3390/min11080841 $2 DOI 035 $a biblio/450640 $2 CREPC2 100 $a 20220113d2021 m y slo 03 ba 101 0-
$a eng 102 $a CH 200 1-
$a Implication of mineralogy and isotope data on the origin of the Permian basic volcanic rocks of the Hronicum (Slovakia, Western Carpathians) $f Ján Spišiak ... [et al.] 330 $a The paper presents new geochemical data of the basic to intermediate volcanic rocks from the Hronic unit. The studied rocks are strongly altered and the primary mineral composition (clinopyroxenes, amphiboles, spinels, biotites, and plagioclases) is preserved only in some localities. The clinopyroxene corresponds to augite and primary amphiboles to pargasites. Spinels have a chemical composition similar to spinels from volcanic rocks. According to chemical composition, the studied basalts correspond to rift-related continental tholeiites. 143Nd/144Nd vs. 87Sr/86Sr isotopic ratios of the basalts are scattered around the value of 143Nd/144Nd for CHUR, where 143Nd/144Nd ratios are relatively stable and 87Sr/86Sr values are relatively varied. According to isotopic ratio of 207Pb/204Pb vs. 206Pb/204Pb, the basalt analyses lie in the field of EMII (mantle source enriched with crustal materials). The new results of U-Pb LA-ICP-MS dating of apatite point to an age 254 ± 23 Ma (Lopingian). 463 -1
$1 001 umb_un_cat*0305395 $1 011 $a 2075-163X $1 200 1 $a Minerals $e international, peer-reviewed, open access journal of natural mineral systems, mineral resources, mining, and mineral processing $v Vol. 11, no. 8 (2021), pp. 1-28 $1 210 $a Basel $c Multidisciplinary Digital Publishing Institute $d 2021 606 0-
$3 umb_un_auth*0291301 $a sopečné horniny $X volcanic rocks 606 0-
$3 umb_un_auth*0043145 $a geochémia $X geochemistry 606 0-
$3 umb_un_auth*0122055 $a Pb-izotopy 607 -1
$3 umb_un_auth*0098733 $a Západné Karpaty (pohorie) $X Western Carpathians Mountains 608 $3 umb_un_auth*0273282 $a články $X journal articles 700 -0
$3 umb_un_auth*0024745 $a Spišiak $b Ján $f 1953- $p UMBFP01 $4 070 $9 30 $T Katedra geografie a geológie 701 -1
$3 umb_un_auth*0175892 $a Vozárová $b Anna $4 070 $9 10 701 -1
$3 umb_un_auth*0274741 $a Vozár $b Jozef $f 1926- $9 5 $4 070 701 -1
$3 umb_un_auth*0202192 $a Ferenc $b Štefan $p UMBFP01 $4 070 $9 20 $f 1977- $T Katedra geografie a geológie 701 -1
$3 umb_un_auth*0235643 $a Šimonová $b Viera $p UMBFP01 $4 070 $9 20 $f 1977- $T Katedra geografie a geológie 701 -1
$3 umb_un_auth*0253070 $a Butek $b Juraj $p UMBFP01 $4 070 $9 15 $q 1 $f 1993- $T Katedra geografie a geológie 801 $a SK $b BB301 $g AACR2 $9 unimarc sk 856 $u https://www.mdpi.com/2075-163X/11/8/841 $a Link na plný text T85 $x existuji fulltexy
Počet záznamov: 1