[meteorite-list] Meteorite Picture of the Day

Today's Meteorite Picture of the Day: Yucca XXX Contributed by: Michael Mulgrew http://www.tucsonmeteorites.com/mpodmain.asp?DD=06/08/2017 __ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at

[meteorite-list] A volcanic trigger for the Late Ordovician mass extinction? (Open Access PDF)

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