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Sample 88-100
NavDat sample number 36176 · PYROCLASTIC-FALL
Sample
| Sample ID | 88-100 |
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| Rock name | PYROCLASTIC-FALL |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | light yellowish-gray lithic tuff with clasts of phyllite and quartzite; slightly devitrified glass matrix; overlain by as much as 500 m of basaltic to andesitic flows and cinder beds |
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Location
| Latitude | 44.8575 |
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| Longitude | -112.983 |
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| State / province | Montana |
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| Volcanic field | Challis Volcanic Group |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 48.19 |
|
48.02 |
48.36 |
|
|
Analyses
No chemical analyses are stored for this sample.
