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Sample S92-H269
NavDat sample number 37042 · BASALTIC-ANDESITE
Sample
| Sample ID | S92-H269 |
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| Rock name | BASALTIC-ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Basalt lava near top of Polallie escarpment, east side of Hood River. Second highest lava in this cliffy exposure; highest lava is the basaltic andesite of Dog River, which is younger than 0.78 Ma middle Plesitocene. Sampled lava upper Pleistocene in turn overlies a conglomerate deposited on top of upper Miocene andesite Wise, 1969; Keith and others, 1985. Magnetic polarity indeterminate at this site. Corresponds to Wise locality 112. Essentially alteration-free sample is petrographically and chemically similar to S92-H265 |
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Location
| Latitude | 45.4233 |
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| Longitude | -121.564 |
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| State / province | Oregon |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 2.26 |
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2.18 |
2.34 |
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Analyses
No chemical analyses are stored for this sample.
