Fission-Track Dating of Haughton Astrobleme and Included Biota, Devon Island, Canada

• Published in: Science
• Main Authors: Omar, Gomaa, Johnson, Kirk R., Hickey, Leo J., Robertson, P. Blyth, Dawson, Mary R., Barnosky, Cathy W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: American Association for the Advancement of Science (AAAS) 1987
• Subjects: Arctic; Canada; Canadian Arctic Archipelago; Devon Island; Northwest Territories; Arctic Archipelago
• Online Access: http://dx.doi.org/10.1126/science.237.4822.1603; https://www.science.org/doi/pdf/10.1126/science.237.4822.1603

Haughton Astrobleme is a major extraterrestrial impact structure located on Devon Island in the Canadian Arctic Archipelago, Northwest Territories. Apatite grains separated from shocked Precambrian gneiss contained in a polymict breccia from the center of the astrobleme yielded a fission-track date...