Sample s_W
NavDat sample number 9255 · RHYOLITE
Sample
| Sample ID | s_W |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | PUMICE |
Location
| Latitude | 46.2 |
|---|---|
| Longitude | -122.18 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / PACIFIC OCEAN |
| State / province | WASHINGTON |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.0005 | 0.00045 | 0.00055 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.93 | WT% | EPMA | |
| TIO2 | 0.47 | WT% | EPMA | |
| AL2O3 | 17.64 | WT% | EPMA | |
| FEOT | 3.41 | WT% | EPMA | |
| CAO | 3.95 | WT% | EPMA | |
| MGO | 1.25 | WT% | EPMA | |
| K2O | 1.52 | WT% | EPMA | |
| NA2O | 4.7 | WT% | EPMA | |
| P2O5 | 0.14 | WT% | EPMA | |
| SIO2 | 75.45 | WT% | EPMA | |
| TIO2 | 0.23 | WT% | EPMA | |
| AL2O3 | 13.49 | WT% | EPMA | |
| FEOT | 1.55 | WT% | EPMA | |
| CAO | 1.6 | WT% | EPMA | |
| MGO | 0.28 | WT% | EPMA | |
| K2O | 2.36 | WT% | EPMA | |
| NA2O | 3.73 | WT% | EPMA | |
| P2O5 | 0.05 | WT% | EPMA | |
| SIO2 | 70.26 | WT% | XRF | |
| TIO2 | 0.19 | WT% | XRF | |
| AL2O3 | 12.61 | WT% | XRF | |
| FEOT | 1.38 | WT% | XRF | |
| CAO | 1.43 | WT% | XRF | |
| MGO | 0.29 | WT% | XRF | |
| K2O | 2.2 | WT% | XRF | |
| NA2O | 3.35 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF |