"279893" . . . . "\u0160koda, Radek" . "Porcelanit s relikty mikrofos\u00EDli\u00ED z lemu miocenn\u00ED bazanitov\u00E9 \u017E\u00EDly u Mlad\u011Bjova v \u010Cesk\u00E9m r\u00E1ji"@cs . . . . "Porcellanite with relics of microfossils lining Miocene basanite dyke at Mlad\u011Bjov, Czech Republic"@en . "I, Z(MZP0002579801)" . "CZ - \u010Cesk\u00E1 republika" . "RIV/00025798:_____/10:00000504!RIV12-MZP-00025798" . . . "Bulletin mineralogicko-petrologick\u00E9ho odd\u011Blen\u00ED N\u00E1rodn\u00EDho muzea v Praze" . . . . "Porcellanite occurs at the contact of the dyke of Neogene basanite at Mlad\u011Bjov, Ji\u010D\u00EDn District, North Bohemia. The dyke penetrated the calcareous siltstone of the B\u0159ezno Formation in the Jizera development of the Czech Cretaceous Basin. with calcite represented by shells and detritus of both macro- and microfossils. The metamorphic assemblage corresponds to sanidinite facies and contains Qtz + Kfs + An + Cpx + Opx + glass with minor pyrrhotite. The groundmass of porcellanite is formed predominantly by Qtz+ Kfs + Opx whereas the assemblage An + Cpx occurs as pseudomorphs replacing calcitic shells of microfossils and calcic detritus of organic origin which shape remained frequently well-preserved despite of high-grade of pyrometamorphism. The presence of quartz and absence of tridymite indicates temperatures 840 - 900 \u00B0C at P <0.2 Kb. Presence of ilmenite,pyrrhotite, elemental carbon (0.05 wt. % C), and analytically determined high Fe2+/Fe3+ ratio indicate low oxygen fugacity during pyrometamorphism."@en . . "Porcellanite with relics of microfossils lining Miocene basanite dyke at Mlad\u011Bjov, Czech Republic"@en . "\u017D\u00E1\u010Dek, Vladim\u00EDr" . "2" . . "RIV/00025798:_____/10:00000504" . "1211-0329" . "Porcelanit s relikty mikrofos\u00EDli\u00ED z lemu miocenn\u00ED bazanitov\u00E9 \u017E\u00EDly u Mlad\u011Bjova v \u010Cesk\u00E9m r\u00E1ji" . "Protolitem porcelanitu byl sl\u00EDnovec b\u0159ezensk\u00E9ho souvrstv\u00ED, bohat\u00FD makro i mikrofos\u00EDliemi,zejm\u00E9na foraminiferami, \u00FAlomky jehlic hub a ostn\u016F je\u017Eovek. Sediment prod\u011Blal na kontaktu se \u017Eilou miocenn\u00EDho basanitu kontaktn\u00ED metamorf\u00F3zu v sanidinitov\u00E9facii. P\u0159i term\u00E1ln\u00ED metamorf\u00F3ze do\u0161lo k transformaci p\u016Fvodn\u00EDch f\u00E1z\u00ED na miner\u00E1ly sanidinitov\u00E9 facie, p\u0159i\u010Dem\u017E v\u011Bt\u0161ina sediment\u00E1rn\u00EDch struktur i tvary p\u016Fvodn\u00EDch mikroorganism\u016F z\u016Fstaly zachov\u00E1ny. Hornina skl\u00E1d\u00E1 ze 22 %k\u0159emene, 25 % anortitu, 21 % K-\u017Eivce, 18 % skla, 5 %klinopyroxenu, 4.6 % pyrhotinu, 3 % ortopyroxenu a 1.5% ilmenitu. Zat\u00EDmco z\u00E1kladn\u00ED hmota porcelanitu tvo\u0159en\u00E1 jemnozrnnou sm\u011Bs\u00ED k\u0159emene a draseln\u00E9ho \u017Eivce vznikla ze sm\u011Bsi klastick\u00E9ho k\u0159emene a illitu, z v\u00E1pnit\u00FDch schr\u00E1nek a jejich \u00FAlomk\u016F vznikly symplektity s p\u0159evahou An a Cpx. Unik\u00E1tn\u00ED je zachov\u00E1n\u00ED tvaru schr\u00E1nek mikrofos\u00EDli\u00ED kter\u00E9 sv\u011Bd\u010D\u00ED pro p\u0159em\u011Bnu materi\u00E1lu in situ, bez v\u011Bt\u0161\u00EDch deformac\u00ED. Porcelanit vznikl p\u0159i teplot\u00E1ch 840 - 900 \u00B0C p\u0159i tlaku P <0.2 Kb za reduk\u010Dn\u00EDch podm\u00EDnek." . "Laufek, Franti\u0161ek" . . . "8"^^ . . . . "Porcelanit s relikty mikrofos\u00EDli\u00ED z lemu miocenn\u00ED bazanitov\u00E9 \u017E\u00EDly u Mlad\u011Bjova v \u010Cesk\u00E9m r\u00E1ji"@cs . "4"^^ . "[4EA2993B5C29]" . . "Porcelanit s relikty mikrofos\u00EDli\u00ED z lemu miocenn\u00ED bazanitov\u00E9 \u017E\u00EDly u Mlad\u011Bjova v \u010Cesk\u00E9m r\u00E1ji" . "porcellanite, pyrometamorphism, basanite, clinopyroxene, orthopyroxene, Bohemian Paradise, Czech Republic"@en . . . . . "18" . "4"^^ . "Rapprich, Vladislav" . "Protolitem porcelanitu byl sl\u00EDnovec b\u0159ezensk\u00E9ho souvrstv\u00ED, bohat\u00FD makro i mikrofos\u00EDliemi,zejm\u00E9na foraminiferami, \u00FAlomky jehlic hub a ostn\u016F je\u017Eovek. Sediment prod\u011Blal na kontaktu se \u017Eilou miocenn\u00EDho basanitu kontaktn\u00ED metamorf\u00F3zu v sanidinitov\u00E9facii. P\u0159i term\u00E1ln\u00ED metamorf\u00F3ze do\u0161lo k transformaci p\u016Fvodn\u00EDch f\u00E1z\u00ED na miner\u00E1ly sanidinitov\u00E9 facie, p\u0159i\u010Dem\u017E v\u011Bt\u0161ina sediment\u00E1rn\u00EDch struktur i tvary p\u016Fvodn\u00EDch mikroorganism\u016F z\u016Fstaly zachov\u00E1ny. Hornina skl\u00E1d\u00E1 ze 22 %k\u0159emene, 25 % anortitu, 21 % K-\u017Eivce, 18 % skla, 5 %klinopyroxenu, 4.6 % pyrhotinu, 3 % ortopyroxenu a 1.5% ilmenitu. Zat\u00EDmco z\u00E1kladn\u00ED hmota porcelanitu tvo\u0159en\u00E1 jemnozrnnou sm\u011Bs\u00ED k\u0159emene a draseln\u00E9ho \u017Eivce vznikla ze sm\u011Bsi klastick\u00E9ho k\u0159emene a illitu, z v\u00E1pnit\u00FDch schr\u00E1nek a jejich \u00FAlomk\u016F vznikly symplektity s p\u0159evahou An a Cpx. Unik\u00E1tn\u00ED je zachov\u00E1n\u00ED tvaru schr\u00E1nek mikrofos\u00EDli\u00ED kter\u00E9 sv\u011Bd\u010D\u00ED pro p\u0159em\u011Bnu materi\u00E1lu in situ, bez v\u011Bt\u0161\u00EDch deformac\u00ED. Porcelanit vznikl p\u0159i teplot\u00E1ch 840 - 900 \u00B0C p\u0159i tlaku P <0.2 Kb za reduk\u010Dn\u00EDch podm\u00EDnek."@cs .