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Sample W19
NavDat sample number 54434 · VITROPHERE
Sample
| Sample ID | W19 |
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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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| Comment | Wassuk Range, Mineral county, Nevada [700' N45W of Hill 5842, 3.8 miles NW of Black Mountain] Section approx. 17 m thck of the lower pahse of the Nine Hill Tuff. Completley silicified (chert-like) pphenocryst-poor, probably originally basal vitrophyre. |
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Location
| Latitude | 38.9609 |
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| Longitude | -118.954 |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 22.78 |
|
19.21 |
26.34 |
|
|
