 | | Book | | Vojany, Slovakia) Head of the Department of Natural History, Eastern Slovak Museum, Košice He finished...His Ph.D. study was at the Technical University, Košice (1992). Until 1990, he worked at the Dionýz Štúr...(1983). Ph.D. study at the Technical University, Košice (2000). Since 1980, he was employed in the Herman...Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine (Orest Matkovs'ky) 31 31...(Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine (Victor Kvasnytsya) 127 |  | | Book | | Okruhlicovi (Banská Bystrica) a Jozefovi Molnárovi (Košice), Bohuslavovi Burešovi (Praha), Lubomírovi Mlčochovi...zbierok kfotodokumentácii: Dušanovi Petercovi (Košice), Albertovi Russovi, Martinovi Števkovi, Petrovi...Kotuľakovi, Jozefovi Salanarovi a Jozefovi Molnárovi (Košice), Norbertovi Hesounovi (Banská Štiavnica) a Michalovi...Jelšava; MONTANA Košice, spol. s r.o., Košice; Ludovika Energy, s.1:0., Spišská Nová Ves; S/ovmag, a.s...., Lubeník; Jozef Mo/nár- OPÁL, Košice; Ing. Richard Kai'fo, Hodruša-Hámre; Ing. Milan O/mth!ica, Banská |  | | Journal (article/letter/editorial) | | sillimanite and cordierite) at Èenkov and Veliká Ves (Matìjka 1923) lended support to the idea of the...Tichopádová 1959) and in the Tiché údolí valley at Roztoky (Velebil 1995), in metabasaltic volcanics south...the Tiché údolí valley at Maxmiliánka hotel W of Roztoky, in the Èimice gully at Zámky in the N of Prague...A thin dyke in the Tiché údolí valley west of Roztoky opposite to the Spálený mill was, with regard to...cleavelandite type, occurring in the Tiché údolí valley at Roztoky (Fediuk 1996b), may belong to this leucocratic |  | Ulrych, J., Novák, J. K., Lang, M., Balogh, K., Hegner, E., Řanda, Z. (2006) Petrology and geochemistry and K–Ar ages for Cenozoic tinguaites from the Ohře/Eger Rift (NW Bohemia) Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (1) 41-61 doi:10.1127/0077-7757/2006/0059 | Journal (article/letter/editorial) | | phonolite/tinguaite) dike suite of the Cenozoic Roztoky Intrusive Centre (RIC), České středohoří Mountains...words: České středohoří Mts., Ohře/Eger Rift, Roztoky Intrusive Center, tinguaite dikes, Cenozoic volcanism...(1926) and Kopecký (1987). The geology of the Roztoky Intrusive Centre (RIC), representing the main volcanic...exclusively penetrate the trachyte filling of the Roztoky crater vent. The origin of the phonolitic and trachytic... 42 J. Ulrych et al. Geological setting of the Roztoky Intrusive Center More than one thousand dikes of |  | Rapprich, V., Kochergina, Y. V., Magna, T., Laufek, F., Halodová, P., Bůzek, F. (2017) Carbonate-rich dyke in Roztoky Intrusive Complex - an evidence for carbonatite magmatism in the Eger Rift?. Journal of GEOsciences, 62 (2) 121-136 | Journal (article/letter/editorial) | | 3190/jgeosci.238 Original paper Carbonate-rich dyke in Roztoky Intrusive Complex – an evidence for carbonatite...silicocarbonatite (23 wt. % SiO2, 27 wt. % CO2) in the R2 (Roztoky nad Labem) drilling at the depth of 152.9–154.8...carbonatite, České Středohoří Volcanic Complex, Roztoky Intrusive Complex, geochemistry, Sr–Nd–Pb–C–O isotopes...the presence of a silicocarbonatite dyke in the Roztoky Intrusive Complex, the axial and chemically most...have a central evolved alkaline intrusion: (a) Roztoky Intrusive Complex (RIC) in the centre of the CSVC |  | Ulrych, J., Pivec, E., Z�k, K., Bendl, J., Bos�k, P. (1993) Alkaline and ultramafic carbonate lamprophyres in Central Bohemian carboniferous basins, Czech Republic. Mineralogy and Petrology, 48 (1) 65-81 doi:10.1007/bf01164909 | Journal (article/letter/editorial) | | Dykes of lamprophyres (Velk~ lJjezd VOj 1 and Martin~ves Mt 1 boreholes), and of trachyte and bostonite (Strfinka...VIJj 1 borehole and Westphalian C in the Martin~ves Mt 1 borehole) following their bedding planes. Dyke...sodalite mineral (analcime > natrolite > carbonate). Magnetite, apatite, leucoxenized titanite and pyrite represent...sodalite mineral is indicated by rare pseudomorphs. Magnetite, leucoxenized titanite, apatite and pyrite represent...consists of carbonate > analcime and chlorite, _+ magnetite and zeolite. Microphenocrysts comprise phlogopite |  | Holub, F. V., Rapprich, V., Erban, V., Pécskay, Z., Mlčoch, B., Míková, J. (2010) Petrology and geochemistry of the Tertiary alkaline intrusive rocks at Doupov, Doupovské hory Volcanic Complex (NW Bohemian Massif) Journal of GEOsciences, 55 (3) 251-278 | Journal (article/letter/editorial) | | early stage by olivine, and later by titanite, magnetite and apatite. Essexite is isotopically more different...felsic minerals. Typical accessory minerals are magnetite, ilmenite, titanite and apatite. Limited amounts...3 – 5 4 4 2 4 3 2 5 Magnetite Ilmenite 1 1 trace trace trace trace trace...subordinate sodalite, which is commonly altered. Magnetite, titanite, ilmenite and apatite are common accessory...perhaps due to contemporary crystallization of magnetite. The contents of Na 2O and the aegirine component |  | Mysliveček, J., Rapprich, V., Kochergina, Y. V., Magna, T., Halodová, P., Pécskay, Z., Poňavič, M. (2018) Petrology of weakly differentiated alkaline, high-level intrusive rocks in the Zahořany-Chotiněves Belt near Litoměřice (Czech Republic) Journal of GEOsciences, 63 (4) 317-331 | Journal (article/letter/editorial) | | basanitic Štrbice Fm. (13.9–9.0 Ma), respectively. The Roztoky Intrusive Complex, representing the main feeding...Early Oligocene (Skála et al. 2014). Within the Roztoky Intrusive Complex, Rapprich et al. (2017a) recently...biotite and magnetite (JM02; cross-polarized light). Bt – biotite, Cpx – clinopyroxene, Mt – magnetite, Pl –...amount of clinopyroxene and higher amount of magnetite compared with the other samples. All other studied...outermost growth zone is marked with frequent magnetite inclusions (Fig. 2c). Sanidine phenocrysts occur | | | Book | | .......................................... 52 Slovakia ( Rudo lf Ducfa) ...............................(Ewa Koszowska). Ro mania (Gheorghe Uduba~a), Slovakia (Rudolf Ducfa). Ukraine (Victor Kvasnytsya) Native...wa especially rich in specimens from the Banal region and Gutiii Mts. (fu loppite was named in his honor)...detailed. unified mineralogical encyclopaedia of the region had been planned by the Commi!.sion on Mineralogy...Verde§ (Gold Museum. Brad) - for photography. Slovakia: Eva Sitasova (Eastern Slovak Museum. Kosice) |  | | Journal (article/letter/editorial) | | black octahedral crystals up to 1.5 cm long. Magnetite forms as fine-grained masses or euhedral crystals...Včelín, Hodruša-Hámre, Štiavnické vrchy Mts., Slovakia Obdrženo: 22. 1. 2015; přijato: 22. 4. 2015 Úvod...úlohu kontaktneinfiltračné procesy. Magmatické roztoky, ktoré vyvolali Mg metasomatózu prenikli do karbonátového...Štohl J., Konečný V. (1999) Banská Štiavnica ore district: relationship among metallogenetic processes and |  | | Journal (article/letter/editorial) | | [Variscan eruptive rock of Jáchymov/Joachimsthal ore district (In Czech)]. Sbor. geol. Vìd, Geol., 7: 731...Fe-rich sphalerite in Jáchymov/Joachimsthal ore district (In Czech)]. Èas. Mineral. Geol., 10, 4: 403410...Støíbrné minerální asociace v Èeskoslovensku. Tuhé roztoky pyrargyritu a proustitu na vybraných loiscích...oblasti [Tectonic of Jáchymov/Joachimsthal ore district (In Czech)]. Sbor. geol. Vìd, Geol., 10: 3982...tetrahedrite-freibergite solid solution, Keno Hill Ag-Pb-Zn district, Yukon. Canad. Mineralogist, 27: 383400. Bard |  | | Journal (article/letter/editorial) | | w w w w w w w w * * * * w w w Ronov, CSSR Roztoky, CSSR Andesine Na.%K 05 Ca 36 / ^ i . 2 2 S i 2...Magnesioferrite syn (1200°C) MgFe2O4 n Magnetite Marmora, Ont. Fe 3 O 4 n Magnetite Michigan (Wards) Fe 3 O 4 n |  | Ulrych, Jaromír, Krmíček, Lukáš, Teschner, Claudia, Skála, Roman, Adamovič, Jiří, Ďurišová, Jana, Křížová, Šárka, Kuboušková, Simona, Radoň, Miroslav (2018) Chemistry and Sr-Nd isotope signature of amphiboles of the magnesio-hastingsite–pargasite–kaersutite series in Cenozoic volcanic rocks: Insight into lithospheric mantle beneath the Bohemian Massif. Lithos, 312. 308-321 doi:10.1016/j.lithos.2018.05.017 | Journal (article/letter/editorial) | | also been recognized in the Earth’s upper mantle region (Frost, 2006 and references therein). These minerals...1). It is a manifestation of a large, sheet-like region in the upper mantle upwelling C S U (Hoernle...TAP, 590 ppm), Cr (Cr2O3, LLIF, 600 ppm), Fe (magnetite, LLIF, 1100 ppm), Mn (rhodonite, LLIF, 900 ppm)...– sample 2 and Leština dyke – sample 3) in the Roztoky Intrusive Centre (RIC) of the CSVC (Skála et al...S2, analyses 27.1 and 27.2). Titanian magnetite and magnetite, often growing parallel to amphibole cleavage |  | Krmíček, Lukáš, Ulrych, Jaromír, Jelínek, Emil, Skála, Roman, Krmíčková, Simona, Korbelová, Zuzana, Balogh, Kadosa (2021) Petrogenesis of Cenozoic high-Mg (picritic) volcanic rocks in the České středohoří Mts. (Bohemian Massif, Czech Republic) Mineralogy and Petrology, 115 (2) 193-211 doi:10.1007/s00710-020-00729-5 | Journal (article/letter/editorial) | | later described from the Western Carpathians in Slovakia (Hovorka and Spišiak 1993; Spišiak and Hovorka...clinopyroxene, Nph nepheline, Anl analcime, Mag magnetite, Ap apatite 49°58′17″ 50°50′17” Stožec near...subhedral to euhedral short columns with rare magnetite inclusions. Serpentinisation proceeded along fissures...3c). Subhedral to euhedral microphenocrysts of magnetite and apatite are common inclusions in clinopyroxene...group minerals correspond mostly to ulvöspinel–magnetite series (Online Resources 2, 3i). They occur both |  | Ackerman, Lukáš, Magna, Tomáš, Rapprich, Vladislav, Upadhyay, Dewashish, Krátký, Ondřej, Čejková, Bohuslava, Erban, Vojtěch, Kochergina, Yulia V., Hrstka, Tomáš (2017) Contrasting petrogenesis of spatially related carbonatites from Samalpatti and Sevattur, Tamil Nadu, India. Lithos, 284. 257-275 doi:10.1016/j.lithos.2017.03.029 | Journal (article/letter/editorial) | | and Pyle, 1988; Srivastava, 1994). The Tamil Nadu region in southern India hosts NU several carbonatite...alkaline– carbonatite complexes in the Tamil Nadu region, which can be related to coeval rifting events...(beforsite, rauhaugite) and contain apatite, magnetite, Fe-rich phlogopite, olivine, aegirine, Na-amphibole...biotite pyroxenite and/or phlogopite–apatite–magnetite pyroxenite (Krishnamurthy, 1988; Kumar and Gopalan...fine-grained mica-rich carbonatite containing accessory magnetite, which alternates with coarse-grained carbonatite |  | Ngounouno, I., D�ruelle, B., Montigny, R., Demaiffe, D. (2005) Petrology and geochemistry of monchiquites from Tchircotch� (Garoua rift, north Cameroon, Central Africa) Mineralogy and Petrology, 83 (3) 167-190 doi:10.1007/s00710-004-0068-y | Journal (article/letter/editorial) | | Cameroon Line. This supports a common magma source region. This mantle source is infra-lithospheric and is...support the occurrence of phlogopite in the source region of Tchircotche lamprophyre magma. 168 I. Ngounouno...– biotite (5 kV, 10 nA, 10 s by element) – Ti-magnetite and ilmenite (iron recalculated after Stormer...of pyroxene (9.6 wt%), amphibole (18.1 wt%), magnetite (6.5 wt%) and apatite (0.2 wt%) (r2 <1.9). However...mantle: peridotitic xenoliths from a melilititic district of the Sahara Basin. Contrib Mineral Petrol 111: |  | | Journal (issue) | | MM-Raritäten • Mineralien und Fossilien aus der Region • Edelsteine und Schmuck \I; DMF-lnternational...Bajuts). Immer wieder haben die Bergwerke dieser Region spektakuläre Mineralienfunde geliefert. So auch...weitere gute Funde erwarten. Wer eine Reise in die Region Oben. Schon in Pararealgar übergegangen sind auf...im Ceske Stredohori dient der Essexitstock von Roztoky (Rongstock), von dem aus radial eine Unmenge von...mehrere weitere Fundpunkte: den Essexitstock von Roztoky (Rongstock) an der Elbe, den Leucittephrit an derChvojnecka |  | Ulrych, Jaromír, Krmíček, Lukáš, Teschner, Claudia, Řanda, Zdeněk, Skála, Roman, Jonášová, Šárka, Fediuk, Ferry, Adamovič, Jiří, Pokorný, Richard (2017) Tachylyte in Cenozoic basaltic lavas from the Czech Republic and Iceland: contrasting compositional trends. Mineralogy and Petrology, 111 (5) 761-775 doi:10.1007/s00710-016-0483-x | Journal (article/letter/editorial) | | dust-laden basaltic glass usually containing magnetite microliths (Le Maitre 2002). The occurrence of...such as ilmenite (locally called “iserine”), magnetite, titanite, rutile, and rare minerals of the fergusonite...TAP, 590 ppm), Cr (Cr2O3, LLIF, 600 ppm), Fe (magnetite, LLIF, 1100 ppm), Mn (rhodonite, LLIF, 900 ppm)...Kozákov. Their chemical composition is dominated by magnetite, magnesioferrite and hercynite components. Spinel-group...spinels where the most important components include magnetite and ulvöspinel. Tachylyte in Cenozoic basaltic |  | Rapprich, V., Shields, S., Halodová, P., Lindline, J., van Wyk de Vries, B., Petronis, M. S., Valenta, J. (2017) Fingerprints of magma mingling processes within the Miocene Zebín tuff cone feeding system (Jičín Volcanic Field, Czech Republic) Journal of GEOsciences, 62 (4) 215-229 | Journal (article/letter/editorial) | | euhedral crystals of clinopyroxene, fresh olivine, magnetite and plagioclase intergrown with anhedral nepheline...the dike, where more rapid cooling took place. Magnetite is cubic and blocky, present as variably sized...μm) throughout the rock. Small opaque grains (magnetite or chromite) are also present as inclusions in...trachyandesite domains corresponds to Ti-poor magnetite and ilmenite. Small pleochroic biotite flakes...enclosed in groundmass of olivine, clinopyroxene, magnetite, plagioclase and nepheline; b – Droplets of basanite |  | | Journal (article/letter/editorial) | | eruption. The authors argue that the Mantle source region may have been metasomatically enriched. It thus...existence of chemically enriched Mantle domains in this region as a result of Variscan subduction has repeatedly...of the Mantle during Cadomian subduction in the region (Abdelfadil et al. 2013). The Spitzberg is a solitary...comprised of clinopyroxene, olivine, plagioclase and magnetite with typical grain size of 10–100 µm, and fine...Silicate melt inclusions Sulfide minerals Titano magnetite Wehrlitic clinopyroxene Wehrlitic clinopyroxene |  | | Journal (article/letter/editorial) | | several rifting episodes are documented in this region. Ï The subject of the following study are volcanic...et al. 1999 after Kopeck ý 1978). The outlined region of the Ceské stÏredohoÏrí Mts. (CS) is shown in...fine-grained groundmass (clinopyroxene, titanian magnetite, nepheline, calcic plagioclase). Small amount...relatively coarser groundmass (clinopyroxene, titanian magnetite, calcic plagioclase). 3. Lava flow of the UMF...containing relicts of clinopyroxene and titanian magnetite. Geochemistry Geochemistry of the rocks was studied |  | | Journal (article/letter/editorial) | | chromspinelides, which are classified as chromite, magnetite, and spinel. Chromspinelides form isolated euhedral...nomenklatorická doporučení (Le Maitre 2005) a výše uvedená nová zjiš- Obr. 8 Variace v chemismu chromspinelidů...při interakci s mořskou vodou či diagenetickými roztoky (Morton, Hallsworth 2007) a dále také rekrystalizací |  | Ackerman, Lukáš, Ulrych, Jaromír, Řanda, Zdeněk, Erban, Vojtěch, Hegner, Ernst, Magna, Tomáš, Balogh, Kadosa, Frána, Jaroslav, Lang, Miloš, Novák, Jiří K. (2015) Geochemical characteristics and petrogenesis of phonolites and trachytic rocks from the České Středohoří Volcanic Complex, the Ohře Rift, Bohemian Massif. Lithos, 224. 256-271 doi:10.1016/j.lithos.2015.03.014 | Journal (article/letter/editorial) | | clinopyroxene, plagioclase ± apatite, titanite and/or Ti-magnetite fractionation and BCC assimilation. Two types...2003; Macdonald and Scaillet, 2006) and Fortaleza district ⁎ Corresponding author. Tel.: +42 2 33087240;...55 60 65 1 SiO2 (wt.%) cpx 80 % amph 10 % magnetite 10 % initial magma - trachybasalt 1357 Ti-oxide...with 80 % clinopyroxene, 10 % amphibole and 10 % magnetite in the crystallized assemblage. Depletions in...and mostly absence of amphibole, biotite and Ti-magnetite. Based on our petrographical observations, crystallization |  | Matusiak-Małek, Magdalena, Puziewicz, Jacek, Ntaflos, Theodoros, Woodland, Alan, Uenver-Thiele, Laura, Büchner, Jörg, Grégoire, Michel, Aulbach, Sonja (2021) Variable origin of clinopyroxene megacrysts carried by Cenozoic volcanic rocks from the eastern limb of Central European Volcanic Province (SE Germany and SW Poland). Lithos, 382. 105936pp. doi:10.1016/j.lithos.2020.105936 | Journal (article/letter/editorial) | | (from grey to green) and may enclose apatite, Ti-magnetite or pseudomorphs after amphibole. The “low Mg#”...study, we argue that megacryst suite from this region is mostly of magmatic origin and records the polybaric...historic region mostly in E Germany, located west from Lubań, Lower Silesia is an administrative region in...have avoided places enclosing small crystals of magnetite and sulfides (see below). The majority of megacrysts...sharp (Fig. 2D). Elongated to oval inclusions of magnetite and sulfides (20 to 70 μm in diameter) are present |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...author. localities (e.g. the large Marcona zone of magnetite bodies replacing Jurassic marine limestones at...Batholith and intersecting the magnetite orebodies, produced magnetite, actinolite, minor calcite, quartz...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...Engineers of A.I.M.E. al. (1968), molybdenite, magnetite and biotite, surrounded by alteration envelopes |
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