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Sample MB-287
NavDat sample number 75607 · RHYODACITE
Sample
| Sample ID | MB-287 |
|---|
| Rock name | RHYODACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | dike |
|---|
Location
| Latitude | 48.823 |
|---|
| Longitude | -121.722 |
|---|
| State / province | washington |
|---|
| Formation | Rhyodacite of Corax dome |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.102 |
|
1.049 |
1.155 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.09 | | WT% | XRF |
| TIO2 | 0.44 | | WT% | XRF |
| AL2O3 | 15.58 | | WT% | XRF |
| FEOT | 2.22 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.43 | | WT% | XRF |
| CAO | 2.11 | | WT% | XRF |
| NA2O | 4.73 | | WT% | XRF |
| K2O | 2.81 | | WT% | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| LOI | 1.2 | | WT% | XRF |
