← Search
Sample MB-39
NavDat sample number 75241 · ANDESITE
Sample
| Sample ID | MB-39 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.762 |
|---|
| Longitude | -121.763 |
|---|
| 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 | 62.23 | | WT% | XRF |
| TIO2 | 0.88 | | WT% | XRF |
| AL2O3 | 16.47 | | WT% | XRF |
| FEOT | 5.33 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 2.44 | | WT% | XRF |
| CAO | 4.86 | | WT% | XRF |
| NA2O | 4.33 | | WT% | XRF |
| K2O | 2.65 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
| LOI | 1.04 | | WT% | XRF |
