Kontoniemi, Olavi Geological setting and charateristics of the Ionalite-hosted paleoproterozoic goil deposit at Osikonmaki Rantasalm Southeastern Finland - Espoo : Geological Survey of Finland, 1995 - 119p. : ill. ; 29cm. Subjects--Topical Terms: Paleoproteroic goil LC Class. No.: GY QE461.K66