Pulau Ellesmere: Perbedaan antara revisi

Schei dan kemudian [[Alfred Gabriel Nathorst|Nathorst]]<ref>{{cite book|last=Nathorst|first=AG|year=1915|title=Tertiare Pflanzenreste Aus Ellesmere-Land. Report of the Second Norwegian Arctic Expedition in the [[Fram]], 1898–1902|publisher=The Society of Arts and Sciences of Kristiania|volume=35}}</ref> mendeskripsikan [[fosil]] hutan [[Paleosen]]-[[Eosen]] (ca. 55 Ma) pada sedimen Fyord Stenkul. Situs Fyord Stenkul merupakan serangkaian [[Delta sungai|delta rawa]] dan hutan [[dataran banjir]].<ref>{{cite journal|last1=Kalkreuth|first1=WD|first2=CL|last2=Riediger|first3=DJ|last3=McIntyre|first4=RJH|last4=Richardson|first5=MG|last5=Fowler|first6=D|last6=Marchioni|displayauthors=4|year=1996|title=Petrological, palynological and geochemical characteristics of Eureka Sound Group coals (Stenkul Fiord, southern Ellesmere Island, Arctic Canada)|journal=Int. J. Coal Sci|volume=30|pages=151–182|doi=10.1016/0166-5162(96)00005-5}}</ref> Pohon-pohon berdiri selama setidaknya 400 tahun. Tunggul dan batang individual berdiameter >1&nbsp;m (>3&nbsp;kaki) keberadaannya berlimpah, dan diidentifikasi sebagai ''[[Metasequoia]]'' dan mungkin ''[[Glyptostrobus]]''. Terawat [[gambut]] [[Pliosen]], didalamnya mengandung vertebrata yang berlimpah dan makrofosil tumbuhan yang berkarakteristik [[hutan boreal]] telah dilaporkan dari [[Fyord Strathcona]].<ref>{{cite journal|last1=Tedford|first1=RH|last2=Harington|first2=CR|year=2003|title=An Arctic mammal fauna from the Early Pliocene of North America|journal=Nature|volume=425|pages=388–390|bibcode=2003Natur.425..388T|doi=10.1038/nature01892|pmid=14508486|issue=6956}}</ref><ref>{{cite journal|last1=Ballantyne|first1=AP|last2=Greenwood|first2=DR|last3=Sinninghe Damste|first3=JSS|last4=Csank|first4=AZ|last5=Eberle|first5=JJ|last6=Rybczynski|first6=N|displayauthors=4|year=2010|title=Significantly warmer Arctic surface temperatures during the Pliocene indicated by multiple independent proxies|url=https://archive.org/details/sim_geology_2010-07_38_7/page/603|journal=Geology|volume=38|pages=603–606|doi=10.1130/G30815.1|issue=7|bibcode=2010Geo....38..603B}}</ref>