← Search
Sample MB-397
NavDat sample number 75244 · ANDESITE
Sample
| Sample ID | MB-397 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.769 |
|---|
| Longitude | -121.766 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Boulder Glacier |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.09 |
|
0.038 |
0.142 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 64.43 | | WT% | XRF |
| TIO2 | 0.7 | | WT% | XRF |
| AL2O3 | 16.8 | | WT% | XRF |
| FEOT | 4.41 | | WT% | XRF |
| MNO | 0.08 | | WT% | XRF |
| MGO | 1.88 | | WT% | XRF |
| CAO | 4.25 | | WT% | XRF |
| NA2O | 4.31 | | WT% | XRF |
| K2O | 2.51 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| LOI | 0.69 | | WT% | XRF |
