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Sample MB-190
NavDat sample number 75634 · RHYODACITE
Sample
| Sample ID | MB-190 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.841 |
|---|
| Longitude | -121.694 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Ptarmigan dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.06 |
|
0.99 |
1.13 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.08 | | WT% | XRF |
| TIO2 | 0.37 | | WT% | XRF |
| AL2O3 | 15.15 | | WT% | XRF |
| FEOT | 2.17 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.59 | | WT% | XRF |
| CAO | 1.84 | | WT% | XRF |
| NA2O | 4.97 | | WT% | XRF |
| K2O | 3.28 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| LOI | 0.63 | | WT% | XRF |
