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Sample S92-H271
NavDat sample number 37044 · BASALT
Sample
| Sample ID | S92-H271 |
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| Rock name | BASALT |
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| Rock type | VOLCANIC |
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| Composition | MAFIC |
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| Material | IGNEOUS |
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| Comment | Roadcut in lava flow. Reversed-polarity. Lava is lowest exposed in a sequence of several lava flows along Bennett Pass Rd. Corresponds to Wise locality 104 Wise, 1969. Olivine 2-3% and plagioclase <1% phenocrysts in a subophitic-ophitic groundmass of plagioclase, augite, and opaque minerals with rare glass |
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Location
| Latitude | 45.346 |
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| Longitude | -121.535 |
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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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| 2.35 |
|
2.32 |
2.38 |
|
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Analyses
No chemical analyses are stored for this sample.
