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Showing results for tags 'impact structure'.
Found 5 results
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Late Paleocene age for Greenland’s Hiawatha impact structure
Oxytropidoceras posted a topic in Fossil News
Controversial impact crater under Greenland’s ice is surprisingly ancient New date of 58 million years undercuts idea that strike triggered recent 1000-year plunge in temperatures By Paul Voose, Science News, March, 9, 2022 Giant impact crater in Greenland occurred a few million years after dinosaurs went extinct by University of Copenhagen, PhysOrg Wikipedia article discussing Hiawatha impact structure The open access paper is: Kenny, G. G., and others, 2022, A Late Paleocene age for Greenland’s Hiawatha impact structure. Science Advances. vol. 8, no. 10 Yours, Paul H.-
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- greenland
- hiawatha glacier
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Was the Falkland Islands region hit by a giant asteroid?
Oxytropidoceras posted a topic in Fossil News
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.- 1 reply
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- asteroid impacts
- diamictites
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Size of Woodleigh impact structure, Australia, Revised
Oxytropidoceras posted a topic in Fossil News
Australians find extremely rare mineral in meteorite impact crater. Cecilia Jamasmie, Mining Com, October 16, 2018 http://www.mining.com/australians-find-extremely-rare-mineral-meteorite-impact-crater/ Ultra-rare mineral points to huge impact crater in Australia Michael Irving, New Atlas, October 17, 2018 https://newatlas.com/reidite-rarest-mineral-meteor-woodleigh-crater/56813/ the paper is: Cox, M.A., Cavosie, A.J., Bland, P.A., Miljković, K. and Wingate, M.T., 2018. Microstructural dynamics of central uplifts: Reidite offset by zircon twins at the Woodleigh impact structure, Australia. Geology, 46(11), pp.983-986. https://www.researchgate.net/publication/327938191_Microstructural_dynamics_of_central_uplifts_Reidite_offset_by_zircon_twins_at_the_Woodleigh_impact_structure_Australia https://www.researchgate.net/profile/Aaron_Cavosie https://pubs.geoscienceworld.org/gsa/geology/article-abstract/548639 Yours, Paul H. -
Five places that mark Australia's extreme geological past By Dr. Tom Raimondo, ABC Science, July 22, 2017 http://www.abc.net.au/news/science/2017-07-22/five-places-that-mark-australias-extreme-geological-past/8728928 Also, the Australian government released enormous amount of sea floor mapping and other geologic data, which was generated by the MH370 tragedy, to the public. MH370 Search Data Published Reveals Ocean Geology, Shipwrecks and Fishing Grounds, ABC News, July 19, 2017 http://www.nbcnews.com/storyline/missing-jet/mh370-search-data-published-reveals-ocean-geology-shipwrecks-fishing-grounds-n784281 MH370 - Phase One Data Release http://marine.projects.ga.gov.au/mh370-phase-one-data-release.html "The search for MH370 involved the collection and analysis of large volumes of marine data from a remote area. The data obtained during the first phase of sea floor mapping is now available to the public." Yours, Paul H.
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Is the Falkland Islands Basin an Enormous Impact Structure ?
Oxytropidoceras posted a topic in Fossil News
Falkland Islands basin shows signs of being among world's largest craters, New York University, May 4, 2017 https://www.sciencedaily.com/releases/2017/05/170504131658.htm Falkland Islands basin shows signs of being among world's largest craters, Engineering, Science and Technology Research New York University, May 4, 2017 http://www.nyu.edu/about/news-publications/news/2017/may/falkland-islands-basin-shows-signs-of-being-among-worlds-largest.html The paper is: Rocca, M.C., Rampino, M.R. and Báez Presser, J.L., 2017. Geophysical evidence for a large impact structure on the Falkland (Malvinas) Plateau. Terra Nova. http://onlinelibrary.wiley.com/doi/10.1111/ter.12269/abstract Another paper is: Rocca, M. C. L., & Baez Presser, J. L., 2015. A possible new very large impact structure in Islas Malvinas. Historia Natural, Tercera Serie, 5, 121–133. https://www.researchgate.net/publication/283123311_A_POSSIBLE_NEW_VERY_LARGE_IMPACT_STRUCTURE_IN_MALVINAS_ISLANDS yours, Paul H.-
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- falkland islands
- falkland islands basin
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