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Sample MB-290
NavDat sample number 75608 · RHYODACITE
Sample
| Sample ID | MB-290 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | dike |
|---|
Location
| Latitude | 48.82 |
|---|
| Longitude | -121.725 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Corax 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 | 72.58 | | WT% | XRF |
| TIO2 | 0.41 | | WT% | XRF |
| AL2O3 | 14.8 | | WT% | XRF |
| FEOT | 2.27 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.22 | | WT% | XRF |
| CAO | 1.99 | | WT% | XRF |
| NA2O | 4.45 | | WT% | XRF |
| K2O | 2.64 | | WT% | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| LOI | 1.46 | | WT% | XRF |
