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Sample GWW-87-81
NavDat sample number 11671 · ANDESITE
Sample
| Sample ID | GWW-87-81 |
|---|
| Rock name | ANDESITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | INTERMEDIATE |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.055 |
|---|
| Longitude | -122.258 |
|---|
| State / province | Oregon |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 10.4 |
|
10.3 |
10.5 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 61.91 | | WT% | COL |
| TIO2 | 0.95 | | WT% | XRF |
| AL2O3 | 14.31 | | WT% | AAS |
| FEO | 6.22 | | WT% | XRF |
| MNO | 0.18 | | WT% | XRF |
| MGO | 3.56 | | WT% | AAS |
| CAO | 6.89 | | WT% | XRF |
| NA2O | 4.08 | | WT% | AAS |
| K2O | 1.68 | | WT% | AAS |
| P2O5 | 0.22 | | WT% | XRF |
| TOTAL | 96.58 | | WT% | XRF |
| ZR | 207.3 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| V | 139 | | PPM | XRF |
