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Sample GWW-28-83
NavDat sample number 11660 · ANDESITE
Sample
| Sample ID | GWW-28-83 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.5683 |
|---|
| Longitude | -122.647 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 22.6 |
|
22.3 |
22.9 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 57.83 | | WT% | COL |
| TIO2 | 1.73 | | WT% | XRF |
| AL2O3 | 14.72 | | WT% | AAS |
| FEO | 10.3 | | WT% | XRF |
| MNO | 0.28 | | WT% | XRF |
| MGO | 3.04 | | WT% | AAS |
| CAO | 6.84 | | WT% | XRF |
| NA2O | 3.95 | | WT% | AAS |
| K2O | 0.98 | | WT% | AAS |
| P2O5 | 0.33 | | WT% | XRF |
| TOTAL | 97.74 | | WT% | XRF |
| ZR | 156.6 | | PPM | XRF |
| NB | 18 | | PPM | XRF |
| V | 239 | | PPM | XRF |
