Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Målingen  Sweden  N 62°55'  E 14°33'  1  ~ 458  Y  Y  M  -


Alwmark, C., Alwmark-Holm, S., Ormö, J., and Sturkell, E. 2014. Shocked quartz grains from the Målingen structure, Sweden—Evidence for a twin crater of the Lockne impact structure. Meteoritics & Planetary Science, 49(6), 1076–1082. doi:10.1111/maps.12314
Ormö, J., Sturkell, E., Nõlvak, J., Melero-Asensio, I., Frisk, Å., and Wikström, T. 2014. The geology of the Målingen structure: A probable doublet to the Lockne marine-target impact crater, central Sweden. Meteoritics & Planetary Science, 49(3), 313–327. doi:10.1111/maps.12251
* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)