About: W-mineralization from greisen at Cetoraz near Pacov, Czech Republic     Goto   Sponge   NotDistinct   Permalink

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  • Studied locality is situated about 750 m NE from the Cetoraz village. The small tungsten deposit is surrounded by mostly moldanubian rocks, especially Pacov orthogneiss and sillimanite-biotite paragneiss. W-minerals occur in quartz veins and lenses with accompanying greisen. Greisenization is developed in endocontact of the orthogneiss, it has form of silicification and muscovitization. Ore mineralization of this greisen is represented by wolframite, scheelite, gahnite, pyrite, molybdenite, chalcopyrite and native bismuth. Cassiterite, galena and gold are only accessoric. Wolframite in quartz gangue is associated with scheelite and albite. Wolframite forms black tabular aggregates with size up to 10 cm. It is usually accompanied by scheelite crystals and aggregates of yellow-brown color and size from few mm to 1 cm. Microscopic study revealed wolframite, scheelite and uncertain secondary phase of Fe and W, which is by chemistry closely related to some pyrochlore group minerals.
  • Studied locality is situated about 750 m NE from the Cetoraz village. The small tungsten deposit is surrounded by mostly moldanubian rocks, especially Pacov orthogneiss and sillimanite-biotite paragneiss. W-minerals occur in quartz veins and lenses with accompanying greisen. Greisenization is developed in endocontact of the orthogneiss, it has form of silicification and muscovitization. Ore mineralization of this greisen is represented by wolframite, scheelite, gahnite, pyrite, molybdenite, chalcopyrite and native bismuth. Cassiterite, galena and gold are only accessoric. Wolframite in quartz gangue is associated with scheelite and albite. Wolframite forms black tabular aggregates with size up to 10 cm. It is usually accompanied by scheelite crystals and aggregates of yellow-brown color and size from few mm to 1 cm. Microscopic study revealed wolframite, scheelite and uncertain secondary phase of Fe and W, which is by chemistry closely related to some pyrochlore group minerals. (en)
Title
  • W-mineralization from greisen at Cetoraz near Pacov, Czech Republic
  • W-mineralization from greisen at Cetoraz near Pacov, Czech Republic (en)
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  • W-mineralization from greisen at Cetoraz near Pacov, Czech Republic
  • W-mineralization from greisen at Cetoraz near Pacov, Czech Republic (en)
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  • RIV/00216224:14310/14:00075398!RIV15-MSM-14310___
http://linked.open...avai/riv/aktivita
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  • S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 56278
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  • RIV/00216224:14310/14:00075398
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  • tungsten; w; mineralization; Cetoraz; greisen; wolframite; scheelite; hunazalaite (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [CD0BC190B466]
http://linked.open...in/vavai/riv/obor
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http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Losertová, Lenka
  • Losos, Zdeněk
http://localhost/t...ganizacniJednotka
  • 14310
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