About: Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif     Goto   Sponge   NotDistinct   Permalink

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  • We report the first occurrence of kumdykolite, a high-temperature analog of albite, in the European Variscan belt. It was discovered in an ultrahigh-pressure, diamond-bearing quartzofeldspathic granulite from the northern Bohemian Massif. It is associated with phlogopite and quartz in a multiphase solid inclusion within garnet, considered to represent a trapped fluid or melt phase. Micro-Raman analysis and mapping along with BSE revealed the presence of a sub-equant, elongated grain of kumdykolite reaching 20 mu m in length. WDX analysis has shown that kumdykolite contains 2 wt% CaO, probably indicating significant miscibility with the Ca-end-member svyatoslavite. Similar to the case of microdiamond inclusions, the kumdykolite-bearing multiphase inclusion is located in the Ca- and Mg-rich central part of the garnet and thus must have been trapped at P > 4 GPa. The inclusion minerals, however, crystallized upon decompression and cooling during the exhumation.
  • We report the first occurrence of kumdykolite, a high-temperature analog of albite, in the European Variscan belt. It was discovered in an ultrahigh-pressure, diamond-bearing quartzofeldspathic granulite from the northern Bohemian Massif. It is associated with phlogopite and quartz in a multiphase solid inclusion within garnet, considered to represent a trapped fluid or melt phase. Micro-Raman analysis and mapping along with BSE revealed the presence of a sub-equant, elongated grain of kumdykolite reaching 20 mu m in length. WDX analysis has shown that kumdykolite contains 2 wt% CaO, probably indicating significant miscibility with the Ca-end-member svyatoslavite. Similar to the case of microdiamond inclusions, the kumdykolite-bearing multiphase inclusion is located in the Ca- and Mg-rich central part of the garnet and thus must have been trapped at P > 4 GPa. The inclusion minerals, however, crystallized upon decompression and cooling during the exhumation. (en)
Title
  • Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif
  • Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif (en)
skos:prefLabel
  • Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif
  • Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif (en)
skos:notation
  • RIV/00216224:14310/14:00074428!RIV15-GA0-14310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA13-21450S)
http://linked.open...iv/cisloPeriodika
  • 8-9
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
  • 25319
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/14:00074428
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • High-temperature studies; kumdykolite; micro-Raman; micro-Raman mapping; BSE; WDX; high-temperature; ultrahigh-pressure; granulite; microdiamond (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A71C286E9656]
http://linked.open...i/riv/nazevZdroje
  • American Mineralogist
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 99
http://linked.open...iv/tvurceVysledku
  • Machovič, Vladimír
  • Škoda, Radek
  • Kotková, Jana
http://linked.open...ain/vavai/riv/wos
  • 000340580500029
issn
  • 0003-004X
number of pages
http://bibframe.org/vocab/doi
  • 10.2138/am.2014.4889
http://localhost/t...ganizacniJednotka
  • 14310
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