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Sample MB-228
NavDat sample number 75629 · RHYODACITE
Sample
| Sample ID | MB-228 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.814 |
|---|
| Longitude | -121.728 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Oreamnos dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.119 |
|
1.059 |
1.179 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.02 | | WT% | XRF |
| TIO2 | 0.55 | | WT% | XRF |
| AL2O3 | 16.19 | | WT% | XRF |
| FEOT | 1.75 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 1.07 | | WT% | XRF |
| CAO | 3.48 | | WT% | XRF |
| NA2O | 4.51 | | WT% | XRF |
| K2O | 2.71 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| LOI | 1.19 | | WT% | XRF |
