The russians simply dated without fudging wood fossils frozen preserved showing an unbiased climatic study including tropical plants shows nothing dated older than 9,600 years. It showed climatologists that tropical plants no older than 9,600 years thrived on the artic circle.
OK - I want to see one or more references on this. Especially for the tropical part.
It wouldn't surprise me a great deal, if there were indeed non-tropical plants dated to that age. We get something along that line here in northern Minnesota. Which in no way rules out a long Earth history prior to those plants.
Moose
Edited by Minnemooseus, : Added 2nd sentence.
Edited by Minnemooseus, : Added 2nd paragraph.