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Sample MB-73
NavDat sample number 75633 · RHYODACITE
Sample
| Sample ID | MB-73 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.84 |
|---|
| Longitude | -121.704 |
|---|
| 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 | 71.24 | | WT% | XRF |
| TIO2 | 0.4 | | WT% | XRF |
| AL2O3 | 15.1 | | WT% | XRF |
| FEOT | 2.29 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0.6 | | WT% | XRF |
| CAO | 1.81 | | WT% | XRF |
| NA2O | 4.82 | | WT% | XRF |
| K2O | 3.16 | | WT% | XRF |
| P2O5 | 0.13 | | WT% | XRF |
| LOI | 0.96 | | WT% | XRF |
