期刊
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH
卷 184, 期 1-2, 页码 63-78出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jvolgeores.2008.08.008
关键词
Piton de la Fournaise; temporal-compositional trends; Pb isotopes
资金
- ACI/FNS program
Variations of Pb isotopes in historical lavas (1927-2007) from Piton de la Fournaise are investigated based on new (116 samples) and published (127 samples) data. Lead isotopic signal exhibits smooth fluctuations (18.873 years) periods of inactivity of the volcano (1939-1942, 1966-1972, 1992-1998), supporting previous inferences that Pb isotopic variations occur mostly during and not between eruptions. Intermediate compositions (18.904
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