Sample 143
NavDat sample number 130173 · ANDESITE
Sample
| Sample ID | 143 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Bacon and Lanphere |
| Comment | Llao Bay, upper unit, caldera wall west of Pumice Point |
Location
| Latitude | 42.9725 |
|---|---|
| Longitude | -122.105 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.096 | 0.07 | 0.122 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.8 | WT% | XRF |