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Text Description: 1 cm thick; pumice with lesser amounts of blocky grains and trace of brown glass; tephra bed sample contained large amounts of detrital mineral contents; in platy, dark brown silt above gravel on a low terrace associated with Sixtymile River; tephra is 2.7 m above gravel which sits on bedrock bench; field name 98SJP26a References:  A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory |
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