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Sample B-189
NavDat sample number 6670 · TUFF
Sample
| Sample ID | B-189 |
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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 | H. Postka |
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| Comment | probably equivalent to upper tuff in Ammon quarry; light grey to orange grey, devitrified, eutaxitic, porphyritic 3 to 7$ phenocrysts: quartz>sanidine>plagioclase>clinopyroxene, densely welded rhyolitic ash flow tuff |
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Location
| Latitude | 43.64 |
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| Longitude | -111.643 |
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| Location | Kelly Canyon; Jefferson County |
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| State / province | Idaho |
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| Volcanic field | Tuff of Heise member 2 or 3 |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 4.3 |
|
4.15 |
4.45 |
|
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Analyses
No chemical analyses are stored for this sample.
