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Abstract
Newberry Volcano in central Oregon is dry over much of its vast area, except for the lakes in the caldera and the single creek that drains them. Despite the lack of obvious glacial striations and well-formed glacial moraines, evidence indicates that Newberry was glaciated. Meter-sized foreign blocks, commonly with smoothed shapes, are found on cinder cones as far as 7 km from the caldera rim. These cones also show evidence of shaping by flowing ice. In addition, multiple dry channels likely cut by glacial meltwater are common features of the eastern and western flanks of the volcano. On the older eastern flank of the volcano, a complex depositional and erosional history is recorded by lava flows, some of which flowed down channels, and interbedded sediments of probable glacial origin. Postglacial lava flows have subsequently filled some of the channels cut into the sediments. The evidence suggests that Newberry Volcano has been subjected to multiple glaciations.
Study Area
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Ice and water on Newberry Volcano, central Oregon |
| Series number | 15 |
| Subseries | Field Guide |
| ISBN | 9780813700151 0813700159 |
| Volume | 15 |
| Year Published | 2009 |
| Language | English |
| Publisher | Geological Society of America |
| Publisher location | Boulder, Colorado |
| Contributing office(s) | Volcano Hazards Program |
| Description | 10 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Monograph |
| Larger Work Title | Volcanoes to vineyards: Geologic field trips through the dynamic landscape of the Pacific Northwest |
| First page | 81 |
| Last page | 90 |
| Country | United States |
| State | Oregon |
| Other Geospatial | Newberry Volcano |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |