Sm–Nd and U–Pb Isotope Geochemistry of the Palaeoproterozoic Mafic Magmatism in Eastern and Northern Finland
Geological Survey of Finland GeologicalGeological SurveySurvey ofof FinlandFinland 2018 Sm–Nd and U–Pb isotope geochemistry of the Palaeoproterozoic mafic magmatism in eastern and northern Finland Hannu Huhma, Eero Hanski, Asko Kontinen, Jouni Vuollo, Irmeli Mänttäri and Yann Lahaye Bulletin 405 • Monograph Geological Survey of Finland, Bulletin The Bulletin of the Geological Survey of Finland publishes the results of scientific research that is thematically or geographically connected to Finnish or Fennoscandian geology, or otherwise related to research and innovation at GTK. Articles by researchers outside GTK are also welcome. All manuscripts are peer reviewed. Editorial Board Prof. Pekka Nurmi, GTK, Chair Dr Stefan Bergman, SGU Dr Asko Käpyaho, GTK Dr Antti Ojala, GTK Dr Timo Tarvainen, GTK, Scientific Editor Instructions for authors available from the Scientific Editor. GEOLOGICAL SURVEY OF FINLAND Bulletin 405 Sm–Nd and U–Pb isotope geochemistry of the Palaeoproterozoic mafic magmatism in eastern and northern Finland by Hannu Huhma, Eero Hanski, Asko Kontinen, Jouni Vuollo, Irmeli Mänttäri and Yann Lahaye Unless otherwise indicated, the figures have been prepared by the authors of the publication. Layout: Elvi Turtiainen Oy Espoo 2018 Huhma, H.1) , Hanski, E.2), Kontinen, A.3), Vuollo, J.4), Mänttäri, I.1) & Lahaye, Y.1) 2018. Sm–Nd and U–Pb isotope geochemistry of the Palaeoproterozoic mafic magmatism in eastern and northern Finland. Geological Survey of Finland, Bulletin 405, 150 pages, 128 figures, 1 table and 11 appendices. The extensive isotopic studies performed at the Geological Survey of Finland (GTK) since the early 1970s have shown that mafic magmas in the Karelia province of the Fennoscandian Shield were emplaced in several stages, including ca.
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