Geological Survey of Finland Bulletin 373 Early Proterozoic Karelian and Svec ofenn ian for ma tions...tutkimusk eskus Es poo 1l)l)3 Geological Survey of Finland, Bulletin 37~ E)\.RL Y PROTEROZOIC KARELIAN AND...on the Pielavesi area, central Finland. Geological Survey of Finland, Bulletin 373, 137 pages, 49 figures...Pihtipudas sequence. They can also be followed as far south as Sulkava, but elsewhere, boundaries are more difficult... Pielavesi, Finland. Elias Ekdahl.Geological Survey of Finland, SF-02150 Espoo, Finland ISBN 951-690-520-X |