Målingen Crater
Målingen was confirmed as an impact crater in 2014. It is located near the city of Östersund in northern Sweden. It is "probable" that it formed simultaneously with the nearby Lockne crater. Computer simulations suggest the asteroid pieces that created the Lockne and Målingen craters were some 600 meters and 250 meters in diameter, respectively.
Målingen is 1 kilometre (0.62 mi) in diameter and its age is estimated, using chitinozoan microfossils, which were also found in Lockne, to be 458 million years (Late Ordovician).
References
- ^ Alwmark, C; Alwmark-Holm, S; Ormö, J; 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; 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.
- ^ Raul Rincon (2014). BBC News: "Ancient Earth hammered by double space impact", 18 March 2014: accessed 19 March 2014.
62°55′N 14°33′E / 62.917°N 14.550°E
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