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Sample S91-H210
NavDat sample number 37046 · BASALT
Sample
| Sample ID | S91-H210 |
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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. Magnetic polarity not measured. Olivine 3-4% and plagioclase <1% phenocrysts in an intergranular groundmass of plagioclase, augite, opaque minerals, and phlogopite; most olivine phenocrysts have wispy traces of iddingsite. |
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Location
| Latitude | 45.4237 |
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| Longitude | -121.924 |
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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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| 2.43 |
|
2.36 |
2.5 |
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Analyses
No chemical analyses are stored for this sample.
