LOL -- oh can you twist things!
I think the geological evidence shows that there was a worldwide flood and that the flood boundary exists between the Precambrian and Cambrian strata. I think everyone here now knows that I am Barry Setterfield's wife, so I'll just reference you to my husband's work on this material. He went at it data first, and this is what he has found:
http://www.setterfield.org/snowballearth.htm
http://www.setterfield.org/earlyhist.html