One comment on “Research team claims to have found evidence Lake Cheko is impact crater for Tunguska Event #NOTICETHETREND #ASTEROID

  1. Is Lake Cheko an impact crater? Hardly so. This idea was put forward as long ago as 2007 (see: Gasperini, L., et al. “A possible impact crater for the 1908 Tunguska Event.” Terra Nova, 2007, Vol. 19, 245–251). But here is an article, in which this question is discussed in detail and the authors’ answer is definite “no”:http://www.univie.ac.at/geochemistry/koeberl/publikation_list/312-Lake-Cheko-not-impact-crater-Terra-Nova-2008.pdf (G. S. Collins et al. “Evidence that Lake Cheko is not an impact crater”). Also, I must add that the problem of the Tunguska explosion is rather complicated. For more information about this problem I would recommend the following books: “The Tungus Event or The Great Siberian Meteorite,” by John Engledew (Algora Publishing, ISSN 9780875867809), “The Tunguska Mystery,” by Vladimir Rubtsov (Springer N.Y., ISSN 9780387765730) and, with some reservations, “The Mystery of the Tunguska Fireball,” by Surendra Verma (Totem Books, ISSN 9781840467284). After reading these books I doubt that the “impactor” will soon be excavated from the lake bottom.

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