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Sample USGSM-711-67
NavDat sample number 3001 · ANDESITE
Sample
| Sample ID | USGSM-711-67 |
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| Rock name | ANDESITE |
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| Rock type | VOLCANIC |
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| Composition | INTERMEDIATE |
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| Material | IGNEOUS |
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| Collected by | M.L. Silberman, U.S. Geological Survey |
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| Comment | This is a relatively unaltered part of the andesitic host rock sequence of the Aurora mining district. It is overlain by rhyolite, correlative with sample no. 28. |
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Location
| Latitude | 38.2894 |
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| Longitude | -118.909 |
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| Location | Aurora-Cedar Hill-Trench Canyon Alkali Valley Area |
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| State / province | Nevada |
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| Formation | Of Aurora mining district |
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| Location comment | in Aurora Creek Valley; Mineral County, NV |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
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| 13.9 |
|
13.6 |
14.2 |
|
|
Analyses
No chemical analyses are stored for this sample.
