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Sample HSP-16
NavDat sample number 29279 · BASALT
Sample
| Sample ID | HSP-16 |
|---|
| 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 | silica-saturated olivine tholeiite; pahoehoe flows; large plag phenos and smaller olivine microphenos in medium to coarse grained, ophitic, diktytaxitic groundmass; location given is for the vent |
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Location
| Latitude | 43.4795 |
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| Longitude | -115.564 |
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| Location | Western Snake River Plain |
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| State / province | Idaho |
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| Volcanic field | Boise River Group 1, Steamboat Rock basalt |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.8 |
|
1.5 |
2.1 |
|
|
