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Sample PC-Rhyodacite
NavDat sample number 6657 · RHYODACITE
Sample
| Sample ID | PC-Rhyodacite |
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| Rock name | RHYODACITE |
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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 | W.M. Neill |
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| Comment | part of a suite of biotite and hornblende bearing volcanics between Poison Creek and south fork of Castle Creek; crystal-rich with phenocrysts of sodic andesine>quartz=bioitite>sanidine>hornblende |
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Location
| Latitude | 42.7778 |
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| Longitude | -116.253 |
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| Location | Poison Creek area, lower end of exposures; Owyhee County |
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| State / province | Idaho |
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| Volcanic field | Challis Volcanics |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 44.7 |
|
43.9 |
45.5 |
|
|
Analyses
No chemical analyses are stored for this sample.
