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Sample UAKA-72-39
NavDat sample number 123974 · GRANODIORITE
Sample
| Sample ID | UAKA-72-39 |
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| Rock name | GRANODIORITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Comment | Biotite, granodiorite - possible reset age This granodiorite pluton forms part of the basement for mid-Tertiary volcanic rocks in the area south of Ajo. The age variation suggests partial resetting of the biotites, possibly by hydrothermal activity. |
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Location
| Latitude | 32.1333 |
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| Longitude | -112.628 |
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| Location | Mt. Ajo 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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| 40.1 |
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39.1 |
41.1 |
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Analyses
No chemical analyses are stored for this sample.
