← Search
Sample MB-74
NavDat sample number 75287 · ANDESITE
Sample
| Sample ID | MB-74 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.837 |
|---|
| Longitude | -121.722 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Coleman Pinnacle |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.305 |
|
0.299 |
0.311 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.28 | | WT% | XRF |
| TIO2 | 0.95 | | WT% | XRF |
| AL2O3 | 16.8 | | WT% | XRF |
| FEOT | 5.44 | | WT% | XRF |
| MNO | 0.1 | | WT% | XRF |
| MGO | 2.59 | | WT% | XRF |
| CAO | 5.58 | | WT% | XRF |
| NA2O | 4.64 | | WT% | XRF |
| K2O | 2.83 | | WT% | XRF |
| P2O5 | 0.4 | | WT% | XRF |
| LOI | 1.09 | | WT% | XRF |
