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Sample PD-4
NavDat sample number 7968 · TUFF
Sample
| Sample ID | PD-4 |
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| Rock name | TUFF |
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| Rock type | VOLCANIC |
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| Composition | FELSIC |
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| Material | IGNEOUS |
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| Collected by | K.S. Murray, 1975 |
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| Comment | Crystal-rich air-fall deposit. Crystal phases include sanidine, 15%; biotite, 12%; orthoclase, 10%; and hornblende, 5%. Vitric constituents show well developed shard formation. |
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Location
| Latitude | 33.4331 |
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| Longitude | -114.865 |
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| Location | northern Palo Verde Mountains |
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| State / province | California |
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| Volcanic field | Palo Verde Mountain |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 24.1 |
|
23.1 |
25.1 |
|
|
Analyses
No chemical analyses are stored for this sample.
