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Sample YU-Rock Hill Syenite
NavDat sample number 4435 · SYENITE
Sample
| Sample ID | YU-Rock Hill Syenite |
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| Rock name | SYENITE |
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| Rock type | PLUTONIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | Speed, R.C. |
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| Comment | dike cutting metavolcanic rocks; date gives minimum age of local thrusting |
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Location
| Latitude | 38.1306 |
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| Longitude | -117.978 |
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| Location | Rock Hill; Esmeralda County |
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| State / province | Nevada |
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| Volcanic field | Rock Hill Syenite |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 142 |
|
140 |
144 |
|
|
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
