ice ages, huge masses of slowly moving glacial ice – up to two kilometres (one mile) thick – scoured the land like cosmic bulldozers. a bulldozer going over mountains, trees, and flowers.The bulldozer would definitely leave a mark and probably tear out the trees. https://alaska.edu/blog/where-have-glaciers-been/ The bulldozing action of the glaciers also obliterated much of the previous geography of southern Ontario though some traces do remain.
Difference between radiocarbon dating dendrochronology
Large parts of the area are polar desert, subject to intensely cold and dark winters and minimal precipitation.
Coal and the fossil record of climate change in the Canadian High Arctic – 2010 Anne Jefferson – News & Commentary from the World of Geology & Earth Science Bill Hagopian holds a 54 million year old tree trunk excavated from Ellesmere Island.
Decay of historic and archaeological wooden structures: degradation processes and molecular characterization of wood destroying fungi Robert A. The ancient stumps were found on frigid Ellesmere Island, a place devoid of living trees.
Research scientist Joel Barker of Ohio State University was understandably surprised when he stumbled upon remnants of the forest.
Determined to find the source of the wood, Barker secured a grant from the National Science Foundation and returned over the summer to explore the area. It’s just like wood you would find anywhere today.” OSU researcher finds mummified forest – Wesley Lowery – The Columbus Dispatch more than 55 million years, Ellesmere Island remained in one place while the world around it changed.