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    Electronic Resource
    Electronic Resource
    Springer
    Mineralogy and petrology 27 (1980), S. 267-273 
    ISSN: 1438-1168
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Summary The rare earth elements (REE) contents of some fluorites from the Estern Alps have been determined by neutron activation analysis (La: 1.4–15.2 ppm; Ce: 3.2–28.4 ppm; Tb: 0.28–0.71 ppm). According to a method developed byMöller, Schneider et al. (1976, 1977) the fluorites can be recognized as having formed from hydrothermal systems associated with areas of high heat flow. The latter developed in connection with plate tectonic processes linked to the Alpine orogeny.
    Notes: Zusammenfassung Die Gehalte an Seltenen Erd-Elementen einiger ostalpiner Fluorite wurden mittels Neutronen-Aktivierung bestimmt (La: 1,4–15,2 ppm; Ce: 3,2–28,4 ppm; Tb: 0,28–0,71 ppm). Aufgrund der vonMöller, Schneider et al. (1976, 1977) entwickelten Methodik kann für die untersuchten Fluorite hydrothermale Bildung angenommen werden. Die “Hydrothermen” werden als tiefvadose Wässer gedeutet, die durch einen erhöhten Wärmefluß aus der Tiefe im Gefolge plattentektonischer Vorgänge aufgeheizt wurden.
    Type of Medium: Electronic Resource
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