Sample s_SH-084
NavDat sample number 33074 · DACITE
Sample
| Sample ID | s_SH-084 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | subaerial |
Location
| Latitude | 46.1436 |
|---|---|
| Longitude | -122.202 |
| Location | CASCADES / HIGH CASCADES / NORTHWESTERN CASCADES / MOUNT ST. HELENS / CASTLE CREEK UNIT / PACIFIC OCEAN |
| State / province | WASHINGTON |
| Elevation | 978 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| -0.00198 | 0 | -0.002178 |
Analyses
Mineral
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 42.95 | WT% | EPMA | |
| TIO2 | 2.07 | WT% | EPMA | |
| AL2O3 | 12.74 | WT% | EPMA | |
| FE2O3 | 2.74 | WT% | EPMA | |
| FEO | 9.37 | WT% | EPMA | |
| CAO | 11.02 | WT% | EPMA | |
| MGO | 15.01 | WT% | EPMA | |
| MNO | 0.17 | WT% | EPMA | |
| K2O | 0.36 | WT% | EPMA | |
| NA2O | 2.12 | WT% | EPMA | |
| SIO2 | 44.11 | WT% | EPMA | |
| TIO2 | 2.19 | WT% | EPMA | |
| AL2O3 | 10.41 | WT% | EPMA | |
| FE2O3 | 2.65 | WT% | EPMA | |
| FEO | 11.91 | WT% | EPMA | |
| CAO | 11.17 | WT% | EPMA | |
| MGO | 14.09 | WT% | EPMA | |
| MNO | 0.2 | WT% | EPMA | |
| K2O | 0.33 | WT% | EPMA | |
| NA2O | 1.96 | WT% | EPMA |