Araguainha Crater, Brazil, and The Permian Extinction
Biggest extinction in history caused by climate-changing meteor.
University News, University of Western Australia, July 31, 2013,
http://www.news.uwa.edu.au/201307315921/international/biggest-extinction-history-caused-climate-changing-meteor
Climate-changing meteor revisited, Science Alert, July 31. 2013
http://sciencealert.com.au/news/20130108-24642.html
The papers are:
Tohver, E., P.A. Cawood, C. Riccomini, C. Lana, and R. I. F.
Trindade, 2013, Shaking a methane fizz: Seismicity from the
Araguainha impact event and the Permian–Triassic global
carbon isotope record. Palaeogeography, Palaeoclimatology,
Palaeoecology vol. 387, pp. 66–75.
https://www.sciencedirect.com/science/article/pii/S0031018213003313
and http://uwa.academia.edu/EricTohver
Tohver, E., C. Lana, P.A. Cawood, I. Fletcher, S. Sherlock,
F. Jourdan, B. Rasmussen, R.I.F. Trindade, E. Yokoyama,
C.R. Souza Filho, and Y. Marangoni, 2012, Geochronological
constraints on a Permo–Triassic impact crater: U–Pb and
40Ar/39Ar results from the 40 km Araguainha crater of
central Brazil. Geochimica et Cosmochimica Acta. vol. 86,
pp. 214–227.
https://www.sciencedirect.com/science/article/pii/S0016703712001457
and http://uwa.academia.edu/EricTohver
Yours,
Paul H.
