Pyroclastic ejecta of basaltic and andesitic cinder cones

Mostly unconsolidated, oxidized, fine to coarse, scoriaceous cinders, bombs, and agglutinate deposited in subaerial environment
State Oregon
Name Pyroclastic ejecta of basaltic and andesitic cinder cones
Geologic age Miocene to Holocene
Lithologic constituents
Major
Igneous > Volcanic > Mafic-volcanic > Basalt (Pyroclastic-cinder cone)Pyroclastic ejecta of basaltic and andesitic cinder cones; unconsolidated, oxidized, fine to coarse, scoriaceous cinders, bombs, and agglutinate deposited in subaerial environment
Igneous > Volcanic > Mafic-volcanic > Andesite (Pyroclastic-cinder cone)Pyroclastic ejecta of basaltic and andesitic cinder cones; unconsolidated, oxidized, fine to coarse, scoriaceous cinders, bombs, and agglutinate deposited in subaerial environment
References
NGMDB product
Counties Clackamas - Crook - Deschutes - Douglas - Harney - Jackson - Jefferson - Klamath - Lake - Lane - Linn - Malheur - Marion - Wasco