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Sample UAKA-73-18
NavDat sample number 123990 · RHYOLITE
Sample
| Sample ID | UAKA-73-18 |
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| Rock name | RHYOLITE |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Comment | Biotite, rhyolite ash-flow tuff The flow is tilted, striking northwest, dipping 40-50 degrees northeast. Unconsolidated gravel above this flow is tilted also. Sample (#19,UAKA-73-19) from this site is flat-lying lava flow. The flow predates deformation, a limiting older age for the mid-Tertiary unconformity. |
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Location
| Latitude | 33.4662 |
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| Longitude | -113.953 |
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| Location | Dofa Butte Quad., Yuma Co., AZ |
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| State / province | Arizona |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 23.6 |
|
22.98 |
24.22 |
|
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Analyses
No chemical analyses are stored for this sample.
