← Search
Sample MB-224
NavDat sample number 75373 · ANDESITE
Sample
| Sample ID | MB-224 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.858 |
|---|
| Longitude | -121.793 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Dobbs Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.119 |
|
0.096 |
0.142 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 56.23 | | WT% | XRF |
| TIO2 | 1.02 | | WT% | XRF |
| AL2O3 | 16.82 | | WT% | XRF |
| FEOT | 7 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| MGO | 5.45 | | WT% | XRF |
| CAO | 7.77 | | WT% | XRF |
| NA2O | 3.63 | | WT% | XRF |
| K2O | 1.28 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
