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Sample MB-330
NavDat sample number 75291 · ANDESITE
Sample
| Sample ID | MB-330 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.825 |
|---|
| Longitude | -121.737 |
|---|
| 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 | 58.95 | | WT% | XRF |
| TIO2 | 1 | | WT% | XRF |
| AL2O3 | 16.8 | | WT% | XRF |
| FEOT | 5.53 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.85 | | WT% | XRF |
| CAO | 6.09 | | WT% | XRF |
| NA2O | 4.74 | | WT% | XRF |
| K2O | 3.07 | | WT% | XRF |
| P2O5 | 0.47 | | WT% | XRF |
| LOI | 0.93 | | WT% | XRF |