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Sample 82-528
NavDat sample number 36172 · TUFF
Sample
| Sample ID | 82-528 |
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| Rock name | TUFF |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | pale-yellowish-brown welded crystal-lithic tuff; glassy matrix with feathery pumice fragments, fine-grained micaceous quartzite clasts, and quartz and feldspar crystals, often broken; tuff is at the base of the basaltic-andesitic lava flow sequence of the Challis Volcanic Group |
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Location
| Latitude | 44.9539 |
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| Longitude | -113.253 |
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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 |
|---|
| 48.76 |
|
48.59 |
48.93 |
|
|
Analyses
No chemical analyses are stored for this sample.
