About: Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif

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About: Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Effects of strongly radioactive primary minerals (mainly monazite) on the surroundings are compared in various rocks of the Moldanubian area. Aureoles of secondary phases formed which extend up to 20 µm from the monazite surface. They mainly consist of low temperature clay minerals usually mixed with Fe-hydroxides; in some samples pyrite is common too. The halos of secondary phases most commonly occur around monazite in cordierite, but also in plagioclase and in quartz. It seems that the radioactivity promotes reactions of the primary minerals with fluid (fluid inclusions and H2O in channels of the cordierite structure) even at static’’ conditions. The frequent association of monazite with hydrated secondary phases may contribute significantly to resetting monazite ages during metamorphism and partial melting. In addition, the neglecting of the chemical transformation of the nuclear energy for the calculations of radioactive heat production and heat budgets of rocks is questioned. Effects of strongly radioactive primary minerals (mainly monazite) on the surroundings are compared in various rocks of the Moldanubian area. Aureoles of secondary phases formed which extend up to 20 µm from the monazite surface. They mainly consist of low temperature clay minerals usually mixed with Fe-hydroxides; in some samples pyrite is common too. The halos of secondary phases most commonly occur around monazite in cordierite, but also in plagioclase and in quartz. It seems that the radioactivity promotes reactions of the primary minerals with fluid (fluid inclusions and H2O in channels of the cordierite structure) even at static’’ conditions. The frequent association of monazite with hydrated secondary phases may contribute significantly to resetting monazite ages during metamorphism and partial melting. In addition, the neglecting of the chemical transformation of the nuclear energy for the calculations of radioactive heat production and heat budgets of rocks is questioned. (en)
Title	Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif (en)
skos:prefLabel	Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif Alteration halos around radioactive minerals in plutonic and metamorphic rocks of the northern Moldanubian area, Bohemian massif (en)
skos:notation	RIV/67985831:_____/11:00368278!RIV12-AV0-67985831
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z30130516), Z(MSM0021620855), Z(MSM6840770040)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Korbelová, Zuzana
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	185258
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/11:00368278
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	monazite; granites; paragneisses; radiation damage; alteration (en)
http://linked.open.../riv/klicoveSlovo	alteration granites monazite paragneisses radiation damage
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[AEE87C65DC8E]
http://linked.open...i/riv/nazevZdroje	European Journal of Mineralogy
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Goliáš, V. Korbelová, Zuzana Matějka, D. Novotná, P. Procházka, V. Seydoux-Guillaume, A.-M. Trojek, T.
http://linked.open...ain/vavai/riv/wos	000296565700006
http://linked.open...n/vavai/riv/zamer	Zemský systém v průsečíku geologických procesů, vývoje života, klimatických a antropogenních vlivů Material flow mechanisms in the upper spheres of the Earth Application of radionuclides and ionising radiation
issn	0935-1221
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.1127/0935-1221/2011/0023-2108

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