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Large Meteorite Impacts and Planetary Evolution V
GSA Special Papers

Large Meteorite Impacts and Planetary Evolution V

Author(s)
Gordon R. Osinski
Gordon R. Osinski
Centre for Planetary Science and Exploration, Departments of Earth Sciences and Physics and Astronomy, University of Western Ontario, 1151 Richmond St., London, ON N6A 3K7, Canada
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David A. Kring
David A. Kring
Center for Lunar Science and Exploration, Lunar and Planetary Institute, 3600 Bay Area Boulevard, Houston, Texas 77058, USA, and National Aeronautics and Space Administration (NASA) Lunar Science Institute, and NASA Solar System Exploration Research Virtual Institute
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Geological Society of America
Volume
518
DOI:
https://doi.org/10.1130/SPE518
Copyright:
© 2015 Geological Society of America
Attribution: You must attribute the work in the manner specified by the author or licensor (but no in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
ISBN print:
9780813725185
Publication date:
October 01, 2015
Book Chapter

Microscopic effects of shock metamorphism in zircons from the Haughton impact structure, Canada

Author(s)
A.C. Singleton
A.C. Singleton
Centre for Planetary Science and Exploration/Department of Earth Sciences, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
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;
G.R. Osinski
G.R. Osinski
Centre for Planetary Science and Exploration/Department of Earth Sciences, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada, and Department of Physics and Astronomy, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
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;
S.R. Shieh
S.R. Shieh
Centre for Planetary Science and Exploration/Department of Earth Sciences, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada, and Department of Physics and Astronomy, University of Western Ontario, 1151 Richmond Street, London, Ontario N6A 5B7, Canada
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Doi:
https://doi.org/10.1130/2015.2518(09)
  • Published:
    October 01, 2015

The shock metamorphism of rocks and minerals is an important consequence of hypervelocity impact events. Much remains to be understood regarding effects in accessory geochronology minerals, such as the effect of very high shock conditions on zircon (ZrSiO4). This study explores the effects of shock metamorphism on zircon in crystalline, quartzofeldspathic basement rocks from the ~23–39-m.y.-old, 23-km-diameter Haughton impact structure on Devon Island, Arctic Canada. This is a valuable location for this study because the structure is very well preserved and contains materials covering a wide range of shock levels. A petrographic survey of 255 zircon grains revealed...

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