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Sample GWW-15-83
NavDat sample number 11658 · ANDESITE
Sample
| Sample ID | GWW-15-83 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.5342 |
|---|
| Longitude | -122.882 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 31.7 |
|
31.3 |
32.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.85 | | WT% | COL |
| TIO2 | 1.37 | | WT% | XRF |
| AL2O3 | 15.98 | | WT% | AAS |
| FEO | 8.05 | | WT% | XRF |
| MNO | 0.28 | | WT% | XRF |
| MGO | 3.62 | | WT% | AAS |
| CAO | 7.79 | | WT% | XRF |
| NA2O | 3.51 | | WT% | AAS |
| K2O | 1.31 | | WT% | AAS |
| P2O5 | 0.24 | | WT% | XRF |
| TOTAL | 97.39 | | WT% | XRF |
| ZR | 206.2 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| V | 203 | | PPM | XRF |
