1 cm thick; dark brown to colourless bubble-wall shards and pumice with less abundant blocky grains and rare spheres; occurs in silt 3.25 m above gravel sitting on a bedrock bench; reworked; on low terrace of Sixtymile
River; field name 98SJP27c
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
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