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Sample MB-386
NavDat sample number 75298 · ANDESITE
Sample
| Sample ID | MB-386 |
|---|
| 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 | 57.09 | | WT% | XRF |
| TIO2 | 1.69 | | WT% | XRF |
| AL2O3 | 23.49 | | WT% | XRF |
| FEOT | 6.64 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| MGO | 0.99 | | WT% | XRF |
| CAO | 5.89 | | WT% | XRF |
| NA2O | 3.11 | | WT% | XRF |
| K2O | 0.52 | | WT% | XRF |
| P2O5 | 0.16 | | WT% | XRF |
| LOI | 8.28 | | WT% | XRF |
