Résultats de la recherche (2 résultats)

Dating early and middle Pleistocene glaciations in central Yukon by tephrochronology
Canada ; Datation ; Datation K/Ar ; Glaciation ; Paléo-environnement ; Pléistocène ; Quaternaire ; Thermoluminescence ; Téphrochronologie ; Yukon
Canada ; Dating ; Glaciation ; K/Ar dating ; Palaeo-environment ; Pleistocene ; Quaternary ; Tephrochronology ; Thermoluminescence ; Yukon
The late Cenozoic deposits of central Yukon contain numerous distal tephra beds, derived from vents in the Wrangell Mountains and Aleutian arc-Alaska Peninsula region. The AA. use a few of these tephra beds to gain a better understanding

Paleoecology of Beringian packrat middens from central Yukon Territory, Canada
Canada ; Habitat ; Loess ; Paléo-écologie ; Paléobiogéographie ; Paléoflore ; Pergélisol ; Pléistocène ; Quaternaire ; Rongeur ; Yukon Territory ; Zone froide
Canada ; Cold area ; Habitat ; Loess ; Palaeo-ecology ; Palaeobiogeography ; Palaeobotany ; Permafrost ; Pleistocene ; Quaternary ; Rodent ; Yukon Territory
Here, the AA. report on plant macrofossil analyses for 3 late Pleistocene rodent middens associated with Dawson tephra at 2 sites in the Klondike gold fields of west-central Yukon Territory. The detail afforded by these middens permits

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