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Sample USGSD-648-1
NavDat sample number 7977 · BASALT
Sample
| Sample ID | USGSD-648-1 |
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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 | crystals of andesine, quenched augite pigeonite, skeletal olivine, opaques, and possibly some glass; pilotaxitic ? |
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Location
| Latitude | 45.5786 |
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| Longitude | -112.816 |
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| Location | overlies an ash bed; Beaverhead County |
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| State / province | Montana |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 49.9 |
|
48.2 |
51.6 |
|
|
Analyses
No chemical analyses are stored for this sample.
