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Sample TH030801/1
NavDat sample number 86824
Sample
| Sample ID | TH030801/1 |
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| Material | notfound |
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| Comment | Sample is grayish black vitric vitrophyric tuff with minor moderate brown devitrified lenses to 2 mm. Common felsic phenocrysts include feldspar to 3 mm and conspicuous quartz to 2 mm. Two grains of black biotite were observed. A single 1 mm lithic of welded tuff was observed. |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.663 |
|
11.67 |
11.655 |
|
|
Analyses
No chemical analyses are stored for this sample.
