Mazama & Glacier Peak Volcanic Ash Layers, Relative Ages (Bib)
Fryxell R. 1965. Mazama & Glacier Peak Volcanic Ash Layers, Relative Ages (Bib). Science. 147(3663):1288-1290
Physiographic and stratigraphic evidence supports the regional correlation of two volcanic ash layers with extince Mount Mazaama at Crater Lake, Oregon, and Glacier Peak and in the northern Cascade Range of Washington. A radiocarbon age of 12,000 +/- 310 years confirms geolocial evidence that ash derived from the Glacier Peak eruption is substantially older than ash from the Mazama eruption of 6600 years ago.
- Type
- Journal Article
- Authors
- Fryxell, Roald
- Units
- LARO
- Keywords
- Basalts, Physical Sciences, Volcanic Ash