Wilhelm Ramsay

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Wilhelm Ramsay
Born (1865-01-20)20 January 1865
Died 6 January 1928(1928-01-06) (aged 62)
Residence Finland
Nationality Finnish
Citizenship Russia (Finland)
Known for Fennoscandia, Ijolite, Postjotnian, Timanide Orogen
Scientific career
Fields Geology
Institutions Sorbonne
University of Göttingen
University of Helsinki
Influenced Pentti Eskola

Wilhelm Ramsay (20 January 1865 – 6 January 1928) was a Finland Swede geologist. He became a member of the Royal Swedish Academy of Sciences in 1914 and in 1915 was accepted into the Royal Physiographic Society in Lund.

He coined the terms Fennoscandia (1900) and Postjotnian (1909).[1][2] Ramsay also coined the term ijolite.[3]

Together with Jakob Sederholm, Ramsay was a student of Fredrik Johan Wiik. Pentti Eskola was a student of Ramsay.[4]


  1. ^ De Geer, Sten (1928). "Das geologische Fennoskandia und das geographische Baltoskandia". Geografiska Annaler (in German). Swedish Society for Anthropology and Geography. 10: 119–139.
  2. ^ Amantov, A.; Laitakari, I.; Poroshin, Ye (1996). "Jotnian and Postjotnian: Sandstones and diabases in the surroundings of the Gulf of Finland". Geological Survey of Finland, Special Paper. 21: 99–113.
  3. ^ Lindberg, Johan (September 9, 2011). "Ramsay, Wilhelm". Uppslagsverket Finland (in Swedish). Retrieved November 30, 2017.
  4. ^ Haapala, I. (2005). "Chapter 17: History of Finnish bedrock research". In Lehtinen, Martti; Nurmi, Pekka A.; Rämö, Tapani. Precambrian Geology of Finland. Amsterdam: Elsevier. pp. 683–701. ISBN 9780080457598.