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Sample MB-12-64
NavDat sample number 4005 · BASALTIC-ANDESITE
Sample
| Sample ID | MB-12-64 |
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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 | Argon loss is apparently responsible for discordant dates obtained by Bikerman 1967 from andesite no. 23, which is considered to be the same as the andesite dated at 108 m.y. no. 15, and for similar basaltic andesites nos. 19 and 20. |
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Location
| Latitude | 32.1247 |
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| Longitude | -111.331 |
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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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| 24.1 |
|
22.7 |
25.5 |
|
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Analyses
No chemical analyses are stored for this sample.
