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Sample 89-135-3
NavDat sample number 36179 · PYROCLASTIC-FALL
Sample
| Sample ID | 89-135-3 |
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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, fine grained, weathered crystal-lithic tuff with broken crystals of qtz, plag, and sanidine; glassy matrix with faint relict shard structure and some clay veinlets |
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Location
| Latitude | 44.8494 |
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| Longitude | -113.08 |
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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 |
|---|
| 45.44 |
|
45.15 |
45.73 |
|
|
Analyses
No chemical analyses are stored for this sample.
