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Sample MB-93
NavDat sample number 75517 · ANDESITE
Sample
| Sample ID | MB-93 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
Location
| Latitude | 48.862 |
|---|
| Longitude | -121.87 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Thompson Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 0.878 |
|
0.86 |
0.896 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 55.51 | | WT% | XRF |
| TIO2 | 1.01 | | WT% | XRF |
| AL2O3 | 17.4 | | WT% | XRF |
| FEOT | 6.9 | | WT% | XRF |
| MNO | 0.12 | | WT% | XRF |
| MGO | 5.18 | | WT% | XRF |
| CAO | 7.92 | | WT% | XRF |
| NA2O | 3.69 | | WT% | XRF |
| K2O | 1.51 | | WT% | XRF |
| P2O5 | 0.36 | | WT% | XRF |
| LOI | 0.21 | | WT% | XRF |