About: Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China

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About: Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Carbonatites are known to contain the highest concentrations of rare-earth elements (REE) among all igneous rocks. The REE distribution of carbonatites is commonly believed to be controlled by that of the rock-forming Ca minerals (i.e., calcite, dolomite, ankerite) and apatite because of their high modal content and tolerance for the substitution of Ca by light REE (LREE). Contrary to this conjecture, calcite from the Miaoya carbonatite (China), analyzed in situ by laser-ablation inductively-coupled-plasma mass-spectrometry, is characterized by low REE contents (100--260 ppm) and relatively flat chondrite-normalized REE distribution patterns [average (La/Yb)CN = 1.6]. The carbonatite contains abundant REE-rich minerals, including monazite and fluorapatite, both precipitated earlier than the REE-poor calcite, and REE-fluorocarbonates that postdated the calcite. Hydrothermal REE-bearing fluorite and barite veins are not observed at Miaoya. The textural and analytical evidence indicates that the initiall Carbonatites are known to contain the highest concentrations of rare-earth elements (REE) among all igneous rocks. The REE distribution of carbonatites is commonly believed to be controlled by that of the rock-forming Ca minerals (i.e., calcite, dolomite, ankerite) and apatite because of their high modal content and tolerance for the substitution of Ca by light REE (LREE). Contrary to this conjecture, calcite from the Miaoya carbonatite (China), analyzed in situ by laser-ablation inductively-coupled-plasma mass-spectrometry, is characterized by low REE contents (100--260 ppm) and relatively flat chondrite-normalized REE distribution patterns [average (La/Yb)CN = 1.6]. The carbonatite contains abundant REE-rich minerals, including monazite and fluorapatite, both precipitated earlier than the REE-poor calcite, and REE-fluorocarbonates that postdated the calcite. Hydrothermal REE-bearing fluorite and barite veins are not observed at Miaoya. The textural and analytical evidence indicates that the initiall (en)
Title	Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China (en)
skos:prefLabel	Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China Trace-element modeling of the magmatic evolution of rare-earth-rich carbonatite from the Miaoya deposit, central China (en)
skos:notation	RIV/62156489:43410/10:00156507!RIV11-MSM-43410___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6215648902)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kynický, Jindřich
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	Mendelova univerzita v Brně / Lesnická a dřevařská fakulta
http://linked.open...dnocenehoVysledku	293191
http://linked.open...ai/riv/idVysledku	RIV/62156489:43410/10:00156507
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	REE minerals; calcite; carbonatite; molybdenite; REE deposits; China; fractional crystalization; mantle source; Miaoya (en)
http://linked.open.../riv/klicoveSlovo	REE deposits fractional crystalization molybdenite mantle source China calcite Miaoya carbonatite REE minerals
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[362D19743D56]
http://linked.open...i/riv/nazevZdroje	Lithos
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	118
http://linked.open...iv/tvurceVysledku	Kynický, Jindřich Chakhmouradian, Anton Cheng, Xu Allen, Charlotte Campbell, Ian
http://linked.open...n/vavai/riv/zamer	Forest and Wood: the support of functionally integrated forest management and use of wood as a renewable raw material
issn	0024-4937
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	43410

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