Comment on ”John’s stone: A possible fragment of the 1908 Tunguska meteorite” (Anfinogenov et al., 2014, Icarus 243, 139-147)
Henning Haack, Richard C. Greenwood, Henner Busemann Icarus In Press, Accepted Manuscript, Available online 25 September 2015 LINK “… Consistent with the O study, the noble gases do not provide any evidence for an extraterrestrial…
Origin of John’s Stone: A quartzitic boulder from the site of the 1908 Tunguska (Siberia) Explosion
Enrico Bonatti, Dee Breger, Tommaso Di Rocco, Fulvio Franchi, Luca Gasperini, Alina Polonia, John Anfinogenov, Yana Anfinogenova Icarus In Press, Accepted Manuscript, Available online 18 June 2015 LINK