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Sample B-3462
NavDat sample number 4969 · TUFF
Sample
| Sample ID | B-3462 |
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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 | Crystal tuff, tuff on Moho Mountain. Ash-flow tuff with crystals of feldspar 18%, quartz 5%, and biotite 3% in a largely devitrified ash matrix. |
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Location
| Latitude | 38.2808 |
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| Longitude | -118.218 |
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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 | SE side of Excelsior Mountains |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 27.1 |
|
25.6 |
28.6 |
|
Geochron Laboratories Inc., Cambridge, Mass. |
Analyses
No chemical analyses are stored for this sample.
