Sökning: "toasted quartz"
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1. Impactites from the Hiawatha crater, North-West Greenland
Master-uppsats, Stockholms universitet/Institutionen för geologiska vetenskaperSammanfattning : The recent discovery of the 31-km-wide Hiawatha impact crater has raised unanswered questions about its age, impactor and highly unusual organic carbon component. Previous research suggests a fractionated iron meteorite impactor, a probable maximum 3–2.4 Ma impact age and a possible Younger Dryas impact age. LÄS MER
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