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Sample W20
NavDat sample number 3021 · ANDESITE
Sample
| Sample ID | W20 |
|---|
| 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 | G.B. Dalrymple, Allan Cox, R.R. Doell, and C.S. Gromme', U.S. Geological Survey |
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| Comment | This and previous 2 samples nos. 39-41 are related to the alkalic volcanic rocks of the Aurora-Cedar Hills and Trench Canyon areas. |
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Location
| Latitude | 38.1919 |
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| Longitude | -118.715 |
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| Location | Anchorite Hills-Excelsior Mountains Huntoon Valley Area |
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| State / province | Nevada |
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| Location comment | Mineral County, NV |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 3.87 |
|
3.53 |
4.21 |
|
|
Analyses
No chemical analyses are stored for this sample.
