← Search
Sample MB-203
NavDat sample number 75231
Sample
| Sample ID | MB-203 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | block and ash pyroclastic flow |
Location
| Latitude | 48.728 |
|---|
| Longitude | -121.716 |
|---|
| State / province | washington |
|---|
| Formation | Boulder Creek Assemblage |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.01 |
|
0.011 |
0.012 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 60.74 | | WT% | XRF |
| TIO2 | 0.93 | | WT% | XRF |
| AL2O3 | 17.05 | | WT% | XRF |
| FEOT | 5.49 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| MGO | 3.04 | | WT% | XRF |
| CAO | 5.63 | | WT% | XRF |
| NA2O | 4.25 | | WT% | XRF |
| K2O | 2.11 | | WT% | XRF |
| P2O5 | 0.27 | | WT% | XRF |
| LOI | 0.51 | | WT% | XRF |