About: Three types of skarn in the northern part of the Moldanubian Zone, Bohemiann Massif-implications for their origin     Goto   Sponge   NotDistinct   Permalink

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  • Regionálně metamorfované skarny u Holšic se nacházejí západně od Vlastějovic, v severní části moldanubika. Při mapování bylo nalezeno několik nových skarnových těles, které náležejí třem geologickým typům. Holšický skarn je tvořen Grt-Cpx a erlánovými pásky cm mocností. Zonálnost granátových zrn odráží dekompresi po HT/HP maximu regionální metamorfózy při přibližně 800 °C a 12 kb. Skarn u Zlivi je masivní bez erlánových pásků a obsahuje magnetit (potvrzeno magnetometricky). Jeho jednotlivé typy, tvořené asociacemi Grt-Cpx, Cpx, Grt-Amp a Amp jsou chudé Al (hedenbergit, andradit, ferro-aktinolit, cummingtonit). Grosular-almandinový granát v Grt-Amp skarnu ekvilibroval při 670 °C a 6-8 kb (Grt-Amp geotermometrie). Třetí typ skarnu (Vápenka) tvoří jen 4-8 cm mocnou kontaktní zónu mezi mramorem a ortorulou. Obsahuje sulfidy, scheelit a Grt bohatý spessartinovou složkou. Minerály tohoto skarnového typu mají vysoké hodnoty d18O, které odpovídají izotopovému složení ortoruly. (cs)
  • The Holšice regionally metamorphosed Cpx-Grt skarn occurs in the north of the Moldanubian zone, Bohemian Massif. Several new skarn bodies were found by detailed mapping in the vicinity, and three different kinds of skarns were distinguished. The Holšice skarn consists of Cpx-Grt, and calc-silicate gneiss bands (cm). The garnet zoning reflects the post-peak metamorphic decompression after HP/HT regional metamorphism probably at approx. 800° C and 12 kbars. The Zliv skarn is massive, and contains magnetite (high anomalies in magnetometry) without calc-silicate gneiss. Its Grt-Cpx, Cpx, Grt-Amp and Amp skarn types are poor in Al (hedenbergite, andradite, ferro-actinolite, cummingtonite). Grossular-almandine rich garnet from the Grt-Amp skarn equilibrated at 670°C, 6-8 kbars (Grt-Amp geothermometry).
  • The Holšice regionally metamorphosed Cpx-Grt skarn occurs in the north of the Moldanubian zone, Bohemian Massif. Several new skarn bodies were found by detailed mapping in the vicinity, and three different kinds of skarns were distinguished. The Holšice skarn consists of Cpx-Grt, and calc-silicate gneiss bands (cm). The garnet zoning reflects the post-peak metamorphic decompression after HP/HT regional metamorphism probably at approx. 800° C and 12 kbars. The Zliv skarn is massive, and contains magnetite (high anomalies in magnetometry) without calc-silicate gneiss. Its Grt-Cpx, Cpx, Grt-Amp and Amp skarn types are poor in Al (hedenbergite, andradite, ferro-actinolite, cummingtonite). Grossular-almandine rich garnet from the Grt-Amp skarn equilibrated at 670°C, 6-8 kbars (Grt-Amp geothermometry). (en)
Title
  • Three types of skarn in the northern part of the Moldanubian Zone, Bohemiann Massif-implications for their origin
  • Three types of skarn in the northern part of the Moldanubian Zone, Bohemiann Massif-implications for their origin (en)
  • Tři typy skarnů v severní části moldanubika a způsoby jejich vzniku (cs)
skos:prefLabel
  • Three types of skarn in the northern part of the Moldanubian Zone, Bohemiann Massif-implications for their origin
  • Three types of skarn in the northern part of the Moldanubian Zone, Bohemiann Massif-implications for their origin (en)
  • Tři typy skarnů v severní části moldanubika a způsoby jejich vzniku (cs)
skos:notation
  • RIV/67985831:_____/05:00026699!RIV06-AV0-67985831
http://linked.open.../vavai/riv/strany
  • 19;33
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z30130516)
http://linked.open...iv/cisloPeriodika
  • 1-2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 546768
http://linked.open...ai/riv/idVysledku
  • RIV/67985831:_____/05:00026699
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • skarn; metamorphism; oxygen and carnon isotopes (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [ED0F804DCA58]
http://linked.open...i/riv/nazevZdroje
  • Journal of the Czech Geological Society/Časopis České geologické společnosti
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 50
http://linked.open...iv/tvurceVysledku
  • Drahota, Petr
  • Pertold, Z.
  • Pudilová, M.
http://linked.open...n/vavai/riv/zamer
issn
  • 1210-8197
number of pages
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