Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: 30 cm thick. Occurs near base of ~ 6 m of bedded silt that is overlain by a peaty bed containing pollen similar to that of today. The peat is overlain by loess. OCt is 5 cm and covered by couplets of grey silt and tephra for a combined thickness of 30 cm (Westgate et al., 1983; Hamilton and Brigham-Grette, 1991). References:  A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6 |
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.
Operations
Response
Staff
Fields of Study
Geology
Color Code Definitions
Webcams
Webicorders
RSAM
Great Sitkin
Aniakchak
Glossary
Recent Images
Browse Images
