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Sample YU-2-AY
NavDat sample number 4440 · VITROPHERE
Sample
| Sample ID | YU-2-AY |
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| Rock name | VITROPHERE |
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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 | Young, A.R. |
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| Comment | 5 m above a 12 m thick vitrophyre that overlies vitric tuff with interbedded conglomerates and peat beds 30 to 50 m below the base of the vitrophyre; age should be same or slightly younger than YU-3-AY; age of dubious significance |
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Location
| Latitude | 41.8778 |
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| Longitude | -113.949 |
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| Location | about 1 km E of Simplot Grouse Creek Ranch; Box Elder County |
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| State / province | Utah |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 20.4 |
|
16.4 |
24.4 |
|
|
Analyses
No chemical analyses are stored for this sample.
References
- Armstrong, Richard Lee; Speed, Robert C; Graustein, W.C.; Young, A.Y. (1976) Potassium-argon dates from Arizona, Montana, Nevada, Utah, and Wyoming. Isochron/West, vol.16, pp.1-6, 1976
