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Sample MB-492
NavDat sample number 75579 · DACITE
Sample
| Sample ID | MB-492 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.859 |
|---|
| Longitude | -121.733 |
|---|
| State / province | washington |
|---|
| Formation | Dacite of Barometer Mountain |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.191 |
|
1.097 |
1.285 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65.12 | | WT% | XRF |
| TIO2 | 0.6 | | WT% | XRF |
| AL2O3 | 16.46 | | WT% | XRF |
| FEOT | 4.22 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.23 | | WT% | XRF |
| CAO | 4.82 | | WT% | XRF |
| NA2O | 3.94 | | WT% | XRF |
| K2O | 1.87 | | WT% | XRF |
| P2O5 | 0.25 | | WT% | XRF |
| LOI | 3.51 | | WT% | XRF |
