Eos, Transactions American Geophysical Union

Comment on “Snowball Earth on trial”



In his report of the Snowball Earth 2006 conference in Ascona, Switzerland, coconvenor Philip A. Allen described the ‘original pillars’ of the hypothesis as having “been discarded” [Allen, 2006].

From my reading of the hypothesis [Kirschvink, 1992a, 1992b; J.L. Kirschvink, personal communication, 1989], the original pillars are the following. Each is more strongly supported now than when the hypothesis was first proposed.