Sample LF02-065
NavDat sample number 90205 · DACITE
Sample
| Sample ID | LF02-065 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Feeley and others |
| Comment | Dacite of Mt. Helen |
Location
| Latitude | 40.4715 |
|---|---|
| Longitude | -121.505 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.25 | 0.19 | 0.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.26 | WT% | XRF |