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Impact-induced and diagenetic changes in minerals in the sandy ejecta of the Kärdla crater,NW Estonia
impact craters ejecta shock metamorphism C-rich particles stable carbon isotopes
2009/10/22
The sand-rich ejecta containing a considerable amount of mineral grains with impact-induced features was studied in five boreholes drilled around the Kärdla impact meteorite structure. Quartz gra...