Sample 1749
NavDat sample number 130180 · RHYODACITE
Sample
| Sample ID | 1749 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Bacon and Lanphere |
| Comment | Bear Bluff, summit of dome |
Location
| Latitude | 42.836 |
|---|---|
| Longitude | -122.159 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.024 | 0.021 | 0.027 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.8 | WT% | XRF |