← Search
Sample MB-28
NavDat sample number 75438 · ANDESITE
Sample
| Sample ID | MB-28 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.727 |
|---|
| Longitude | -121.862 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Mount Baker |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.03 |
|
0.012 |
0.043 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 59.63 | | WT% | XRF |
| TIO2 | 0.92 | | WT% | XRF |
| AL2O3 | 16.97 | | WT% | XRF |
| FEOT | 5.83 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 3.56 | | WT% | XRF |
| CAO | 6.26 | | WT% | XRF |
| NA2O | 4.17 | | WT% | XRF |
| K2O | 1.87 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
