Suomen Geologinen Seura -
Geologiska Sällskapet i Finland
The Geological Society of Finland
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PÅ SVENSKA
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Volume 63 (1–2), 1991

Part 1

Ploegsma, M.
A pilot Rb-Sr dating of the Suomusjärvi ultramylonite: evidence for major post-Svecofennian deformation in SW Finland.
PDF (7.35 MB)
https://doi.org/10.17741/bgsf/63.1.001

Sipilä, P.
Mafic and ultramafic igneous rocks of the Raisduoddar-Halti area in the Finnish-Norwegian caledonides. Petrography, mineralogy and geochemistry.
PDF (5.79 MB)
https://doi.org/10.17741/bgsf/63.1.002

Edén, P.
A specialized topaz-bearing rapakivi granite and associated mineralized greisen in the Ahvenisto complex, SE Finland.
PDF (9.11 MB)
https://doi.org/10.17741/bgsf/63.1.003

Sarmaja-Korjonen, K.
Comparison of two methods of counting microscopic charcoal particles in peat.
PDF (4.73 MB)
https://doi.org/10.17741/bgsf/63.1.004

Mäkinen, J.
Similarity analysis using rank in till geochemistry.
PDF (5.69 MB)
https://doi.org/10.17741/bgsf/63.1.005

Alhonen, P., Hyvärinen, T. and Pogreboff, S.
Rhythmically laminated sublittoral lake sediments in an eutrophicated bay.
PDF (5.44 MB)
https://doi.org/10.17741/bgsf/63.1.006

Part 2

Liipo, J. and Laajoki, K.
Mineralogy, geochemistry and metamorphism of the early Proterozoic Vähäjoki iron ores, Northern Finland.
PDF (11.1 MB)
https://doi.org/10.17741/bgsf/63.2.001

Poutiainen, M.
Fluid inclusions in cavity quartz crystals in rapakivi from Luumäki, southeastern Finland.
PDF (4.27 MB)
https://doi.org/10.17741/bgsf/63.2.002

Kinnunen, K.A. and Ikonen, L.
Opal — a new hydromorphic precipitate type from gravel deposits in southern Finland.
PDF (7.13 MB)
https://doi.org/10.17741/bgsf/63.2.003

Haila, H., Sarmaja-Korjonen, K. and Uutela, A.
Development of a Litorina Bay at Epoo, near Porvoo, southern Finland.
PDF (8.84 MB)
https://doi.org/10.17741/bgsf/63.2.004

He, Y. and Virtanen, K.
The variation in water content and in concentrations in trace metals in peat in different mire types.
PDF (4.28 MB)
https://doi.org/10.17741/bgsf/63.2.005

Saarse, L., Rajamäe, R., Heinsalu, A. and Vassiljev, J.
The biostratigraphy of sediments deposited in the Lake Kaali meteorite impact structure, Saaremaa island, Estonia.
PDF (6.70 MB)
https://doi.org/10.17741/bgsf/63.2.006

Eriksson, B., Aalto, M. and Kankainen, T.
Hazelnuts from a peat deposit at Evijärvi, western Finland.
PDF (4.73 MB)
https://doi.org/10.17741/bgsf/63.2.007