Maximum thickness of 1 cm; 0.5 m of olive-brown silt overlying 0.5 m of black silt overlying gravel. Light grey tephra layer occurs as repeating, discontinuous pods and whisps in lowermost part of olivebrown silt. UT1459, UT1460, and UT1461 are samples from different pods. From Preece et al. (2011): rare blocky shards, and rare bubble-wall shards.
Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike District of the Yukon, Canada
Changing ideas on the identity and stratigraphic significance of the Sheep Creek tephra beds in Alaska and the Yukon Territory, northwestern North America
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Dating Early and Middle (Reid) Pleistocene glaciations in central Yukon by tephrochronology
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