Oxytropidoceras Posted June 9, 2017 Share Posted June 9, 2017 Interesting open access paper on mass extinctions. Jones, D. S., A. M. Martini, D. A. Fike, and K. Kaiho, 2017, A volcanic trigger for the Late Ordovician mass extinction? Mercury data from south China and Laurentia. Geology v. 45; no. 7; p. 631–634 http://geology.geoscienceworld.org.libezp.lib.lsu.edu/content/45/7/631 http://geology.geoscienceworld.org.libezp.lib.lsu.edu/content/45/7 Yours, Paul H. Link to comment Share on other sites More sharing options...
Raggedy Man Posted June 9, 2017 Share Posted June 9, 2017 Bah, really liked he gamma ray burst theory. It just sounds so much cooler..lol. ...I'm back. Link to comment Share on other sites More sharing options...
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