1 cm thick; pumice with thick septa and blocky grains; tephra bed sample contained large amounts of detrital mineral contents; in cryoturbated organic-rich silt and sand with syngenetic frost cracks and small syngenetic ice-wedge casts; field name 107a
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Revision of the tephrostratigraphy of the lower Sixtymile River area, Yukon Territory, Canada
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.