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Text Description: Tephra in silty sediments interstratified with poorly sorted gravels resting on a terrace (Archibald's Bench). No data on thickness; sample from individual ash pod. From Preece et al. (2011): pumice with many microlites, trace amounts of brown glass. References:  Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike District of the Yukon, Canada A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory |
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