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Sample VDB-2
NavDat sample number 37056 · BASALT
Sample
| Sample ID | VDB-2 |
|---|
| 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. Collected from the lowest of the well-exposed roadcuts as road climbs southward towards Veda Butte. Normal-polarity. Large plagioclase 5% and small, seriate olivine 3% phenocrysts in an intergranular-subophitic groundmass of plagioclase, augite, olivine, opaque minerals, and glass. all olivine is rather heavily iddingsitized; traces of groundmass alteration |
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Location
| Latitude | 45.2708 |
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| Longitude | -121.745 |
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| State / province | Oregon |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 4.21 |
|
4.09 |
4.33 |
|
|
Analyses
No chemical analyses are stored for this sample.
