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Sample ES:61
NavDat sample number 5483 · BASALTIC-ANDESITE
Sample
| Sample ID | ES:61 |
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| Alternate ID | 61 |
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| Rock name | BASALTIC-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 | K-Ar date of 44 m.y. appears spurious. Basaltic andesite is probably upper Oligocene or lower Miocene. |
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Location
| Latitude | 33.6917 |
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| Longitude | -112.1 |
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| Location | Maricopa County |
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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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| 45.1 |
|
40.1 |
50.1 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Eberly, L D; Stanley, T B, Jr (1978) Cenozoic stratigraphy and geologic history of southwestern Arizona. Geological Society of America Bulletin, vol.89, no.6, pp.921-940,table, sects., geol. sketch map, Jun 1978 doi:10.1130/0016-7606(1978)89<921:CSAGHO>2.0.CO;2
