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Sample MB-12
NavDat sample number 75475 · ANDESITE
Sample
| Sample ID | MB-12 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 48.902 |
|---|
| Longitude | -121.792 |
|---|
| State / province | washington |
|---|
| Formation | Andesite of Pinus Lake |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.202 |
|
0.193 |
0.211 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 62.17 | | WT% | XRF |
| TIO2 | 0.82 | | WT% | XRF |
| AL2O3 | 16.91 | | WT% | XRF |
| FEOT | 4.7 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.59 | | WT% | XRF |
| CAO | 5.16 | | WT% | XRF |
| NA2O | 4.39 | | WT% | XRF |
| K2O | 2.47 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
| LOI | 0.56 | | WT% | XRF |
