. "K\u00E1\u0148ov\u00E1, Hana" . "Arfvedsonitov\u00E9 pegmatity masivu Khan Bogd v Mongolsku: Zr mineralizace"@cs . . "Granitick\u00FD masiv Khan Bogd se nach\u00E1z\u00ED 550 km na jih od hlavn\u00EDho m\u011Bsta Mongolska Ulaanbaataru v pou\u0161ti Gobi. Pat\u0159\u00ED mezi nejv\u011Bt\u0161\u00ED alkalick\u00E9 masivy na sv\u011Bt\u011B a je tvo\u0159en dv\u011Bmi ringov\u00FDmi strukturami.Tento p\u0159\u00EDsp\u011Bvek p\u0159in\u00E1\u0161\u00ED nov\u00E9 informace z prob\u00EDhaj\u00EDc\u00EDch ter\u00E9nn\u00EDch v\u00FDzkum\u016F na z\u00E1padn\u00ED ringov\u00E9 struktu\u0159e masivu Khan Bogd, d\u00E1le zcela nov\u00E1 petrografick\u00E1 data a informace o diferenciaci Zr a REE a zejm\u00E9na pak o p\u0159\u00EDtomnosti odm\u00ED\u0161enin (zirkonu a armstrongitu) vznikaj\u00EDc\u00EDch na \u00FAkor prim\u00E1rn\u00EDho elpiditu ve studovan\u00FDch alkalick\u00FDch afvedsonitov\u00FDch pegmatitech. Tyto pegmatity jsou tvo\u0159eny miner\u00E1ln\u00ED asociac\u00ED: k\u0159emen, mikroklin, albit, arfvedsonit a egir\u00EDn. Typick\u00FDmi akcesorick\u00FDmi miner\u00E1ly jsou elpidit, armstrongit, zirkon, neptunit, monazit a apatit.U v\u0161ech studovan\u00FDch pegmatit\u016F doch\u00E1z\u00ED k rekrystalizaci a metasomatick\u00FDm p\u0159em\u011Bn\u00E1m vz\u00E1cnoprvkov\u00FDch miner\u00E1l\u016F - co\u017E p\u0159edstavuje po vlasn\u00EDm magmatick\u00E9m p\u0159\u00EDnosu Zr a REE hlavn\u00ED mechanismus p\u0159enosu a redistribuce dan\u00FDch prvk\u016F u studovan\u00FDch pegmatit\u016F. Nej\u010Dast\u011Bj\u0161\u00EDm jevem je rekrystaliza" . "CZ - \u010Cesk\u00E1 republika" . "Arfvedsonitov\u00E9 pegmatity masivu Khan Bogd v Mongolsku: Zr mineralizace" . "3"^^ . "Arfvedsonitov\u00E9 pegmatity masivu Khan Bogd v Mongolsku: Zr mineralizace"@cs . . "0514-8057" . . "Granitick\u00FD masiv Khan Bogd se nach\u00E1z\u00ED 550 km na jih od hlavn\u00EDho m\u011Bsta Mongolska Ulaanbaataru v pou\u0161ti Gobi. Pat\u0159\u00ED mezi nejv\u011Bt\u0161\u00ED alkalick\u00E9 masivy na sv\u011Bt\u011B a je tvo\u0159en dv\u011Bmi ringov\u00FDmi strukturami.Tento p\u0159\u00EDsp\u011Bvek p\u0159in\u00E1\u0161\u00ED nov\u00E9 informace z prob\u00EDhaj\u00EDc\u00EDch ter\u00E9nn\u00EDch v\u00FDzkum\u016F na z\u00E1padn\u00ED ringov\u00E9 struktu\u0159e masivu Khan Bogd, d\u00E1le zcela nov\u00E1 petrografick\u00E1 data a informace o diferenciaci Zr a REE a zejm\u00E9na pak o p\u0159\u00EDtomnosti odm\u00ED\u0161enin (zirkonu a armstrongitu) vznikaj\u00EDc\u00EDch na \u00FAkor prim\u00E1rn\u00EDho elpiditu ve studovan\u00FDch alkalick\u00FDch afvedsonitov\u00FDch pegmatitech. Tyto pegmatity jsou tvo\u0159eny miner\u00E1ln\u00ED asociac\u00ED: k\u0159emen, mikroklin, albit, arfvedsonit a egir\u00EDn. Typick\u00FDmi akcesorick\u00FDmi miner\u00E1ly jsou elpidit, armstrongit, zirkon, neptunit, monazit a apatit.U v\u0161ech studovan\u00FDch pegmatit\u016F doch\u00E1z\u00ED k rekrystalizaci a metasomatick\u00FDm p\u0159em\u011Bn\u00E1m vz\u00E1cnoprvkov\u00FDch miner\u00E1l\u016F - co\u017E p\u0159edstavuje po vlasn\u00EDm magmatick\u00E9m p\u0159\u00EDnosu Zr a REE hlavn\u00ED mechanismus p\u0159enosu a redistribuce dan\u00FDch prvk\u016F u studovan\u00FDch pegmatit\u016F. Nej\u010Dast\u011Bj\u0161\u00EDm jevem je rekrystaliza"@cs . "2009" . "Arfvedsonite; Mongolia; EPMA and LA-ICP-MS data; Zr; Pegmatites; Khan Bogd Massif; Rare earth elements"@en . . "Zpr\u00E1vy o geologick\u00FDch v\u00FDzkumech" . "Cheng, Xu" . . "43410" . . . "The alkaline granitic massif Khan Bogd is located in the Gobi desert in southern Mongolia. The Khan Bogd, one of the world's largest alkaline ring complexes, is a product of strong fractional crystallization. Detailed field and petrographical research indicates that the aplite-pegmatite emplacement occurred during transitions from the ductile to the brittle regime from the most evolved granitic melt. This paper is focused mainly on the arfvedsonite pegmatites. The mineral paragenesis of the selected pegmatites is dominantly formed by quartz, elpidite, K-feldspar, albite, aegirine and arfvedsonite. Among widespread accesories the unidentified hydrated Zr-REE silicates, armstrongite and zirkon are the most considerable. The key enrichment in Zr and REE is related to magmatic process, but the alteration and metasomatism (replacement of primary elpidite mainly by secondary zircon and armstrongite) in pegmatites play also important role."@en . . "1" . "[252E34528535]" . . . "RIV/62156489:43410/09:00143275!RIV10-MSM-43410___" . . "V" . "RIV/62156489:43410/09:00143275" . . . "Arfvedsonite pegmatites of Khan Bogd massif, Mongolia: Zr mineralization"@en . . "Arfvedsonitov\u00E9 pegmatity masivu Khan Bogd v Mongolsku: Zr mineralizace" . "Ma\u0161ek, Ji\u0159\u00ED" . . "Kynick\u00FD, Jind\u0159ich" . . . "Jaro\u0161, Ond\u0159ej" . . . "3"^^ . "Arfvedsonite pegmatites of Khan Bogd massif, Mongolia: Zr mineralization"@en . "5"^^ . "304039" .