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Country Finland
CoordinatesLat. N 60°08'20" Long.E 20°07'30"
Diameter km 10.0
Age Ma or date 500.0-1200.0
Remarks I decide to use 10 km diameter for Lumparn since there is clear circular structure visible in low flight aeromagnetic map with that diameter. Aem map shows also 3.5 km wide anomaly in the center of the structure, which may prepresent the central uplift of the structure.
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Abels 1998 Abels A., Mannola P., Lehtinen M., Bergman L. and Pesonen L.J., ''New observations of the properties of the Lumparn impact structure, Åland islands, southwestern Finland'', MAPS 33, A7-A172 (1998)
Lehtinen 1998 Lehtinen M., "Meteoriittitörmäyskraatterit - maan ja taivaan kohtauspaikat", (in Finnish) in Lehtinen M., Nurmi P., ja Rämö T. (edit.), "3000 vuosimiljoona - Suomen kallioperä" , Suomen geologinen seura (1998)
Svensson 1993 Svensson N.-B., ''Lumparn Bay: a meteorite impact crater in the Åland Archipelago, southwest Finland'', In 56th Meeting of the Meteoritical Society, Vail, Colorado, abst. is.; Meteoritics 28. (1993)
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