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Sample YAD-5
NavDat sample number 12140 · ANDESITE
Sample
| Sample ID | YAD-5 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | plug; gray-brown, sparsely microporphyritic ophitic matrix with abundant clinopyroxene, strong platey jointing, microlitic cavities |
|---|
Location
| Latitude | 40.565 |
|---|
| Longitude | -120.742 |
|---|
| State / province | California |
|---|
| Volcanic field | Walker Lane |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 4.6 |
|
4.4 |
4.8 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| K2O | 0.906 | | WT% | UNKNOWN |
