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Sample YU-Rock Hill basalt
NavDat sample number 4436 · BASALT
Sample
| Sample ID | YU-Rock Hill basalt |
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| Rock name | BASALT |
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| Rock type | VOLCANIC |
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| Composition | MAFIC |
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| Material | IGNEOUS |
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| Collected by | Speed, R.C. |
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| Comment | biotite bearing, somewhat recrystallized basalt lying with apparent depositional contact on Palmetto Formation; basalt was originally considered part of Excelsior Formation; date may be much younger than stratigraphic age of unit |
Location
| Latitude | 38.1542 |
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| Longitude | -117.981 |
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| Location | Rock Hill; Esmeralda County |
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| State / province | Nevada |
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| Volcanic field | Rock Hill basalt |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 75.5 |
|
74.5 |
76.5 |
|
|
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