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Sample MB-212
NavDat sample number 75635 · RHYODACITE
Sample
| Sample ID | MB-212 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.833 |
|---|
| Longitude | -121.704 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Ptarmigan dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.032 |
|
1.021 |
1.043 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.82 | | WT% | XRF |
| TIO2 | 0.4 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FEOT | 2.31 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.65 | | WT% | XRF |
| CAO | 1.86 | | WT% | XRF |
| NA2O | 4.89 | | WT% | XRF |
| K2O | 3.1 | | WT% | XRF |
| P2O5 | 0.12 | | WT% | XRF |
| LOI | 1.01 | | WT% | XRF |
