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Sample USGS-D2380B
NavDat sample number 4966 · TUFF
Sample
| Sample ID | USGS-D2380B |
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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 | R.C. Speed, Northwestern Univ. |
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| Comment | A tuff exposed on Nevada Highway 10, 20 km SW of Candelaria is correlated by lithology and stratigraphy with unit 5. Gilbert and others 1968 report the following ages for this tuff: sanidine 22.1 +/- 0.4 2? m.y., plagioclase 22.8 +/- 0.6 2? m.y., and biotite 24.0 +/- 1.0 2? m.y. This tuff is map unit Tv12 of Page 1959 and is also known as the tuff of Metallic City. |
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Location
| Latitude | 38.1433 |
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| Longitude | -118.099 |
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| Location | Mineral County |
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| State / province | Nevada |
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| Volcanic field | Mina-Candelaria Region |
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| Location comment | approx. 2 km SSW of Candelaria townsite |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 24.2 |
|
23.3 |
25.1 |
|
R.F. Marvin, H.H. Mehnert, and V.M. Merritt, U.S. Geological Survey |
Analyses
No chemical analyses are stored for this sample.
