← Search
Sample MB-142
NavDat sample number 75586 · DACITE
Sample
| Sample ID | MB-142 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.908 |
|---|
| Longitude | -121.79 |
|---|
| State / province | washington |
|---|
| Formation | Dacite of Nooksack Falls |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.149 |
|
0.144 |
0.154 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.71 | | WT% | XRF |
| TIO2 | 0.79 | | WT% | XRF |
| AL2O3 | 17 | | WT% | XRF |
| FEOT | 4.32 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 1.76 | | WT% | XRF |
| CAO | 4.19 | | WT% | XRF |
| NA2O | 4.6 | | WT% | XRF |
| K2O | 2.82 | | WT% | XRF |
| P2O5 | 0.32 | | WT% | XRF |
| LOI | 0.7 | | WT% | XRF |
