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Sample MB-361
NavDat sample number 75361 · ANDESITE
Sample
| Sample ID | MB-361 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
| Comment | intracaldera dike |
|---|
Location
| Latitude | 48.817 |
|---|
| Longitude | -121.737 |
|---|
| State / province | washington |
|---|
| Formation | Intracaldera dikes of intermediate composition |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 0.85 |
|
0.6 |
1.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 61.17 | | WT% | XRF |
| TIO2 | 0.77 | | WT% | XRF |
| AL2O3 | 17.68 | | WT% | XRF |
| FEOT | 4.94 | | WT% | XRF |
| MNO | 0.09 | | WT% | XRF |
| MGO | 2.78 | | WT% | XRF |
| CAO | 5.94 | | WT% | XRF |
| NA2O | 4.3 | | WT% | XRF |
| K2O | 1.65 | | WT% | XRF |
| P2O5 | 0.28 | | WT% | XRF |
| LOI | 1.1 | | WT% | XRF |
