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Sample W182414
NavDat sample number 5369 · PYROCLASTIC-FLOW
Sample
| Sample ID | W182414 |
|---|
| Alternate ID | 9 |
|---|
| Rock name | PYROCLASTIC-FLOW |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Ash-flow tuff unit in andesite-rhyodacite unit |
Location
| Latitude | 32.6336 |
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| Longitude | -110.419 |
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| Location | Galiuro, Winchester, and Little Dragoon Mountains |
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| State / province | Arizona |
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| Volcanic field | Galiuro Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 28.9 |
|
28.1 |
29.7 |
|
|
References
- Creasey, S C; Krieger, M H (1978) Galiuro Volcanics, Pinal, Graham, and Cochise counties, Arizona. Journal of Research of the U. S. Geological Survey, vol.6, no.1, pp.115-131, Feb 1978