SYS | | 0238272 |
LBL | | ---naa--22--------450- |
005 | | 20241001113644.0 |
014 | | $a 000390359400003 $2 CCC |
014 | | $a 000390359400003 $2 WOS CC. SCIE |
014 | | $a 2-s2.0-84991768951 $2 SCOPUS |
017 | 70 | $a 10.3190/jgeosci.217 $2 DOI |
100 | | $a 20170124 2016 m y slo 03 ba |
101 | 0- | $a eng |
102 | | $a CZ |
200 | 1- | $a Chromium- and nickel-rich micas and associated minerals in listvenite from the Muranska Zdychava, Slovakia: products of hydrothermal metasomatic transformation of ultrabasic rock $f Štefan Ferenc ... [et al.] |
330 | | $a The Cr-Ni-rich micas, Ni-Co sulphide phases and associated minerals occur in a small body of listvenite, an extensively altered serpentinite, in Lower Palaeozoic paragneisses near Murnska Zdychava village in Slovensk Rudohorie Mts. (Veporic Superunit, central Slovakia). The main rock-forming minerals of the listvenite are magnesite, dolomite and a serpentine-group mineral, less frequently calcite, quartz and talc. Accessory minerals of the listvenite include Cr-Ni-rich micas, chromite, and Ni-Co-Fe-(Cu-Pb) sulphide minerals (pyrite, pyrrhotite, pentlandite, millerite, polydymite, violarite, siegenite, gersdorffite, cobaltite, chalcopyrite and galena). The micas from the Muranska Zdychava listvenite (Cr-Ni-rich illite to muscovite and Ni-dominant trioctahedral mica) contain the highest Ni concentrations ever reported in the mica-group minerals (up to 22.8 wt. % NiO or 1.46 apfu Ni). The Cr concentrations are also relatively high (up to 11.0 wt. % Cr2O3 or 0.64 apfu). Compositional variations in both Cr-Ni-rich mica minerals are characterized by the negative Cr vs. Ni correlation that indicates a dominant role of 2(O)M(3)+ + (O) = 3(O)M(2)+ and M-O(3)+ + Al-T = M-O(2)+ + Si-T substitution mechanisms. Chromite is dominated by Fe2+ (0.82-0.90 apfu) and Cr (1.38-1.79 apfu). |
463 | -1 | $1 001 umb_un_cat*0295256 $1 011 $a 1802-6222 $1 011 $a 1803-1943 $1 200 1 $a Journal of Geosciences $v Vol. 61, no. 3 (2016), pp. 239-254 $1 210 $a Prague $c Czech Geological Society $d 2016 |
606 | 0- | $3 umb_un_auth*0202728 $a mineralizácia $X mineralization |
606 | 0- | $3 umb_un_auth*0142844 $a sulfidické minerály |
606 | 0- | $3 umb_un_auth*0202818 $a sulfidická mineralizácia $X sulfide mineralization |
607 | -1 | $3 umb_un_auth*0098733 $a Západné Karpaty (pohorie) $X Western Carpathians Mountains |
607 | -1 | $3 umb_un_auth*0257187 $a Muránska Zdychava (Slovensko) $X Muránska Zdychava (Slovakia) |
615 | | $n 55 $a Geológia |
675 | | $a 55 |
700 | -1 | $3 umb_un_auth*0202192 $a Ferenc $b Štefan $p UMBFP01 $9 35 $f 1977- $4 070 $T Katedra geografie a geológie |
701 | -1 | $3 umb_un_auth*0163540 $a Uher $b Pavel $4 070 $9 35 |
701 | -0 | $3 umb_un_auth*0024745 $a Spišiak $b Ján $p UMBFP01 $4 070 $9 15 $f 1953- $T Katedra geografie a geológie |
701 | -1 | $3 umb_un_auth*0235643 $a Šimonová $b Viera $p UMBFP01 $4 070 $f 1977- $9 15 $T Katedra geografie a geológie |
801 | -0 | $a SK $b BB301 $g AACR2 $9 unimarc sk |
T85 | | $x existuji fulltexy |