Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Overlies UT738 tephra; occurs as laminated pods positioned adjacent to an ice-wedge cast. Deformed in most places with a maximum extent of 73 cm wide and 12 cm thick. Pods occur over a 27-44 cm vertical zone and have very sharp, subhorizontal basal contacts with the underlying silt with occaisional shearing. Upper contacts more regular and diffuse with shearing. In some places, occurs intercalated with a fine white tephra that is 1 to 3 mm thick. References:  Tephrostratigraphy of the late Cenozoic Gold Hill loess, Fairbanks area, Alaska Tephrochronology of late Cenozoic loess at Fairbanks, central Alaska The Dawson Cut Forest Bed in the Fairbanks area, Alaska, is about two million years old |
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
Trident
Glossary
Recent Images
Browse Images
