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The Largest Impact Crater on the Planet; Hidden in Australia, The Deniliquin Structure

The largest impact crater on the planet is not located in Mexico, but rather within Australia. The crater in question is known as the Deniliquin Structure, whose southern rim even includes a portion of the city of Melbourne. In total, this massive feature measures Crater and measures 520 kilometers or 323 miles wide. It formed as the result of a catastrophic impact between 417 and 525 million years ago. This video will discuss this massive impact crater and the evidence that it exists. Thumbnail Photo Credit: Google Earth, Data SIO, NOAA, U.S. Navy, NGA. GEBCO, Image Landsat / Copernicus. This image was then overlaid with text, overlaid with an orange dotted circular outline of the buried impact structure, before being finally overlaid with GeologyHub made graphics (the GeologyHub logo and the image border). Estimates on asteroid diameter, velocity, and tnt energy equivalent in this video were sourced using the calculator at https://impact.ese.ic.ac.uk/ImpactEar..., which was used with permission. If you would like to support this channel, consider using one of the following links: (Patreon:   / geologyhub  ) (YouTube membership:    / @geologyhub  ) (Gemstone & Mineral Etsy store: http://prospectingarizona.etsy.com) (GeologyHub Merch Etsy store: http://geologyhub.etsy.com) Google Earth imagery used in this video: ©Google & Data Providers This video is protected under "fair use". If you see an image and/or video which is your own in this video, and/or think my discussion of a scientific paper (and/or discussion/mentioning of the data/information within a scientific paper) does not fall under the fair use doctrine, and wish for it to be censored or removed, contact me by email at [email protected] and I will make the necessary changes. Various licenses used in sections of this video (not the entire video, this video as a whole does not completely fall under one of these licenses) and/or in this video's thumbnail image: CC BY 2.0: https://creativecommons.org/licenses/... CC BY 3.0: https://creativecommons.org/licenses/... CC BY 4.0: https://creativecommons.org/licenses/... Sources/Citations: [1] A.Y. Glikson, A.N. Yeates, Geophysics and origin of the Deniliquin multiple-ring feature, Southeast Australia, Tectonophysics, Volume 837, 2022, 229454, ISSN 0040-1951, https://doi.org/10.1016/j.tecto.2022..... (https://www.sciencedirect.com/science...) [2] Ebbing, J., Dilixiati, Y., Haas, P. et al. East Antarctica magnetically linked to its ancient neighbours in Gondwana. Sci Rep 11, 5513 (2021). https://doi.org/10.1038/s41598-021-84..., CC BY 4.0 [3] Kiik, K.; Plado, J.; Lingadevaru, M.; Jeelani, S.H.; Szyszka, M. Magnetic Anomaly and Model of the Lonar Meteorite Impact Crater in Maharashtra, India. Geosciences 2020, 10, 417. https://doi.org/10.3390/geosciences10..., CC BY 4.0 0:00 A Newly Discovered Impact Crater 0:17 Magnetic Data 2:27 Complex Impact Crater 3:20 When the Impact Occurred 3:48 Iridium Spike 4:40 Conclusion