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→Iridium: new section
Removed prior (terrible) info and added a framework to start building up that section again with better information. --[[User:HarabecW|HarabecW]] 22:22, 29 June 2011 (EDT)
Removed prior (terrible) info and added a framework to start building up that section again with better information. --[[User:HarabecW|HarabecW]] 22:22, 29 June 2011 (EDT)
== Iridium ==
This article included a query about the prevalence of iridium at the K-T boundary. The global average of iridium levels in the boundary layer is 15 times the background level, peaking at 160 times background near the crater (Alvarez et al, 1980.)