Suomen Geologinen Seura -
Geologiska Sällskapet i Finland
The Geological Society of Finland
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Volume 83 (1–2), 2011

Part 1

Nironen, M.
The Pyhäntaka formation, southern Finland: a sequence of metasandstones and metavolcanic rocks upon an intra-orogenic unconformity.
PDF (1.75 MB)
https://doi.org/10.17741/bgsf/83.1.001

Selonen, O., Ehlers, C., Luodes, H. and Karell, F.
Magmatic constraints on localization of natural stone deposits in the Vehmaa rapakivi granite batholith, southwestern Finland.
PDF (1.37 MB)
https://doi.org/10.17741/bgsf/83.1.002

Haapala, I.
Th.G. Sahama’s (1910–1983) volcanological and mineralogical studies in Africa: Part I. Expeditions to the Virunga Volcanic Field and petrological-mineralogical studies on the Nyiragongo volcano.
PDF (755 KB)
https://doi.org/10.17741/bgsf/83.1.003

Haapala, I.
Th.G. Sahama’s (1910–1983) volcanological and mineralogical studies in Africa: Part II. Minerals of granitic pegmatites and other mineral occurrences of eastern and southern Africa.
PDF (937 KB)
https://doi.org/10.17741/bgsf/83.1.004

Part 2

Mertanen, S. and Karell, F.
Rock magnetic investigations constraining relative timing for gold deposits in Finland.
PDF (8.68 MB)
https://doi.org/10.17741/bgsf/83.2.001

Kaislaniemi, L.
Estimating the distribution of strontium isotope ratios (87Sr/86Sr) in the Precambrian of Finland.
PDF (3.59 MB)
https://doi.org/10.17741/bgsf/83.2.002

Nironen, M. and Rämö, O.T.
The Oripää granite revisited: Elemental geochemistry, Nd isotopes, and implication to terrane boundary.
PDF (7.52 MB)
https://doi.org/10.17741/bgsf/83.2.003