Role of fluids in transport and fractionation of uranium and thorium in magmatic processes

Role of fluids in transport and fractionation of uranium and thorium in magmatic processes

The geochemistry of uranium and thorium is of considerable importance for understanding the Earth's heat budget. Results of research explain the origin of hydrothermal uranium and thorium deposits, the fractionation of uranium from thorium during magma formation and the depletion of uranium rel...

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Veröffentlicht in:Nature (London) 1990-12, Vol.348 (6301), p.531-533
Hauptverfasser: Keppler, Hans, Wyllie, Peter J
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chlorine
Crystalline rocks
Depletion
Earth
Earth sciences
Earth, ocean, space
Exact sciences and technology
Experimental petrology
Experiments
Fluids
Fluorides
Fluorine
Fractionation
Fugacity
Geochemistry
Geology
Heat
Heat budget
Magma
Mineral deposits
Oxygen
Radioactive materials
Soil and rock geochemistry
Thorium
Uranium
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Beschreibung
Zusammenfassung:The geochemistry of uranium and thorium is of considerable importance for understanding the Earth's heat budget. Results of research explain the origin of hydrothermal uranium and thorium deposits, the fractionation of uranium from thorium during magma formation and the depletion of uranium relative to thorium in granulite-facies rocks.
ISSN:0028-0836
1476-4687
DOI:10.1038/348531a0