Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Kaguyak Ignimbrite. tall bluffs of ignimbrite; lower 10 m of exposure is massive ignimbrite, but there are 7 well-defined PCZ zones in the upper 2/3 of the section as well as a few less-well defined zones. Exposed thickness 25-30 m. PCZs 0.75-1.5 m. LCZ: 0.75-1.5 m. See text for MC and ML. Pumice clasts: white to buff pumice most common, but grey scoria is present, and there is abundant banded pumice here; markedly more than at other locations. Lithic clasts: most lithics are grey dacite lava; there is a minor amount of clasts with yellow-orange altered rinds or films References:  Kaguyak dome field and its Holocene caldera, Alaska Peninsula |
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
