← Search
Sample s_MSH309-3
NavDat sample number 35135 · DACITE
Sample
| Sample ID | s_MSH309-3 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | Pumice |
|---|
Location
| Latitude | 46.2 |
|---|
| Longitude | -122.18 |
|---|
| Location | Mount St. Helens |
|---|
| State / province | Washington |
|---|
| Location comment | Smith Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0 |
|
0.00335 |
0.0039 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.7 | | WT% | XRF |
| TIO2 | 0.76 | | WT% | XRF |
| AL2O3 | 18.68 | | WT% | XRF |
| FEOT | 4.97 | | WT% | XRF |
| CAO | 4.98 | | WT% | XRF |
| MGO | 1.93 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| K2O | 1.19 | | WT% | XRF |
| NA2O | 4.14 | | WT% | XRF |
