Målingen Crater
Malingen was confirmed as an impact crater in 2014. It is located near the city of Östersund in northern Sweden.[1] It is "probable" that it formed simultaneously with the nearby Lockne crater.[2][3] Computer simulations suggest the asteroid pieces that created the Lockne and Malingen craters were some 600 meters and 250 meters in diameter, respectively.[3]
Malingen is 1 km 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.
- ^ a b 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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