* The ice-core findings correlated with known glacier advances and retreats in northern Europe.
* Independent data in a seabed sediment core from the Atlantic Ocean west of Ireland, reported in 1997, showed nine of the 1,500-year cycles in the last 12,000 years.
wow debunking enviro-liberals and young earth creationists simultaneously
Did you read the articles on the ice core and why lower layers are not as reliable or easily identifiable as upper layers?
Did you notice that the independent data from the seafloor sediment in this article doesn't go back 400,000 years, but only 12,000?