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Found 5 results

  1. I got one of these tektites almost 20 years ago in Vietnam and have been intrigued by the mystery of this 800,000 year old impact event since. This type of tektites has been found in Antarctica, Australia, and Asia. Now scientists may have found the impact crater hiding under large Laotian lava lake. https://astronomy.com/news/2020/01/crater-found-from-asteroid-that-covered-10-of-earths-surface-in-debris
  2. Scientist May Have Discovered Massive Crater Under Greenland Ice Sheet, Daily Beast, Feb. 2019 https://www.thedailybeast.com/scientist-may-have-discovered-massive-crater-under-greenland-ice-sheet Photos: Craters Hidden Beneath the Greenland Ice Sheet, Live Science, February 12, 2019 https://www.livescience.com/64755-photos-greenland-craters.html The open access paper is: Joseph A. MacGregor, William F. Bottke, Jr., Mark A. Fahnestock, Jeremy P. Harbeck, Kurt H. Kjær, John D. Paden, David E. Stillman, and Michael Studinger, 2019, A Possible Second Large Subglacial Impact Crater in Northwest Greenland First published: 11 February 2019 https://doi.org/10.1029/2018GL078126 https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018GL078126 The paper states: "Based on the dated radiostratigraphy of the Greenland Ice Sheet, available for pre-2014 radar data only, the ice overlying the structure is at least 79 ka old (Figures 1e–1h; MacGregor et al., 2015)." Yours, Paul H.
  3. Stone, P. and McCarthy, D., 2018. Were the Falkland Islands hit by a giant asteroid 250 million years ago?. Falkland Islands Journal, 11(2), pp.42-54. http://nora.nerc.ac.uk/id/eprint/521520/ http://nora.nerc.ac.uk/id/eprint/521520/1/STONE AND MCCARTHY FIJ 2018pp 42-54.pdf Yours, Paul H.
  4. This is interesting. Scientists Spot What May Be a Giant Impact Crater Hidden Under Greenland Ice By Meghan Bartels, Space.com, November 14, 2018 https://www.space.com/42431-giant-impact-crater-hidden-under-greenland-ice.html The open access paper is: Kurt H. Kjær, Nicolaj K. Larsen, Tobias Binder, and many others A large impact crater beneath Hiawatha Glacier in northwest Greenland. Science Advances 14 Nov 2018:Vol. 4, no. 11, eaar8173 DOI: 10.1126/sciadv.aar8173 http://advances.sciencemag.org/content/4/11/eaar8173 Yours, Paul H.
  5. I came across a quite interesting field guide to impact craters of western Australia. It has detailed descriptions of several impact craters and associated impactites. It is: Western Australian impact craters - a field guide Field Excursion 20-29 August 2012 (Post Meteoritical Society Conference Excursion) Geological Survey of Western Australia http://museum.wa.gov.au/research/departments/earth-and-planetary-sciences/western-australian-impact-craters-field-guide http://museum.wa.gov.au/sites/default/files/Met-FT-2012.pdf Yours, Paul H.
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