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Sample MB-86
NavDat sample number 75288 · ANDESITE
Sample
| Sample ID | MB-86 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.833 |
|---|
| Longitude | -121.726 |
|---|
| 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 | 63.6 | | WT% | XRF |
| TIO2 | 0.78 | | WT% | XRF |
| AL2O3 | 16.99 | | WT% | XRF |
| FEOT | 4.4 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 1.75 | | WT% | XRF |
| CAO | 4.29 | | WT% | XRF |
| NA2O | 4.64 | | WT% | XRF |
| K2O | 2.78 | | WT% | XRF |
| P2O5 | 0.27 | | WT% | XRF |
| LOI | 0.85 | | WT% | XRF |