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Sample MB-387
NavDat sample number 75299 · ANDESITE
Sample
| Sample ID | MB-387 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.827 |
|---|
| Longitude | -121.846 |
|---|
| State / province | washington |
|---|
| Formation | diatreme-like andesitic vent complex |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 1.155 |
|
1.0395 |
1.2705 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 55.34 | | WT% | XRF |
| TIO2 | 1.4 | | WT% | XRF |
| AL2O3 | 17.62 | | WT% | XRF |
| FEOT | 8.33 | | WT% | XRF |
| MNO | 0.14 | | WT% | XRF |
| MGO | 3.24 | | WT% | XRF |
| CAO | 7.93 | | WT% | XRF |
| NA2O | 4.1 | | WT% | XRF |
| K2O | 1.22 | | WT% | XRF |
| P2O5 | 0.29 | | WT% | XRF |
| LOI | 3.02 | | WT% | XRF |
