← Search
Sample MB-371
NavDat sample number 75464 · ANDESITE
Sample
| Sample ID | MB-371 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.842 |
|---|
| Longitude | -121.715 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Ochotona complex |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.189 |
|
0.178 |
0.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 63.75 | | WT% | XRF |
| TIO2 | 0.79 | | WT% | XRF |
| AL2O3 | 17.02 | | WT% | XRF |
| FEOT | 4.29 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 1.7 | | WT% | XRF |
| CAO | 4.07 | | WT% | XRF |
| NA2O | 4.83 | | WT% | XRF |
| K2O | 2.77 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| LOI | 0.32 | | WT% | XRF |
