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Sample TD-2
NavDat sample number 7164 · TUFF
Sample
| Sample ID | TD-2 |
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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 | H.F. Bonham, Nevada Bureau of Mines and Geology, and R.P. Ashley and M.L. Silberman, U.S. Geological Survey. |
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| Comment | Altered Fraction Tuff, Tonopah Summit Member; alteration is transitional between propylitic and sericitic, the original biotite now consists of mixed layer chlorite and sericite. |
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Location
| Latitude | 37.9956 |
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| Longitude | -117.236 |
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| Location | Esmeralda Co., NV |
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| State / province | Nevada |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 16.1 |
|
15.9 |
16.3 |
|
M.L. Silberman, U.S. Geological Survey. |
Analyses
No chemical analyses are stored for this sample.
