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Sample UAKA-77-50
NavDat sample number 123956 · ANDESITE
Sample
| Sample ID | UAKA-77-50 |
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| Rock name | ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Hornblende, andesite This andesite covers lare areas of the valley between the Las Guijas mountains and the Cerro Colorado Mtns. Andesite and Mesozoic (?) shales are in fault contact with the mid-Tertiary basaltic andesited, rhyolites, tuffs and ash flows. |
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Location
| Latitude | 31.6513 |
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| Longitude | -111.334 |
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| Location | Las Guijas, Arivaca Quad., Pima 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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| 68.6 |
|
67.2 |
70 |
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Analyses
No chemical analyses are stored for this sample.
