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Sample FH157
NavDat sample number 18439 · BASALT
Sample
| Sample ID | FH157 |
|---|
| Rock name | BASALT |
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| Rock type | VOLCANIC |
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| Composition | MAFIC |
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| Material | IGNEOUS |
|---|
| Collected by | I.M. Lange |
|---|
| Comment | slightly chloritically altered alkali basalt dike with fine-grained aligned plagioclase microlites, augite, and sparse opx phenocrysts |
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Location
| Latitude | 47.9322 |
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| Longitude | -114.766 |
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| Location | hilltop outcrop; Flathead County |
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| State / province | Montana |
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| Volcanic field | Hog Heaven Volcanic Field |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 33.8 |
|
32.2 |
35.4 |
|
|
Analyses
No chemical analyses are stored for this sample.
