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 post Share on other sites
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. Link to post Share on other sites
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