Sample PH-15
NavDat sample number 31310 · ANDESITE
Sample
| Sample ID | PH-15 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.61 |
|---|---|
| Longitude | -120.684 |
| State / province | Oregon |
| Formation | Clarno Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45.6 | 37.4 | 53.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.98 | WT% | XRF | |
| TIO2 | 1.09 | WT% | XRF | |
| AL2O3 | 15.2 | WT% | SRC AND AAS | |
| FEO | 5.81 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.91 | WT% | SRC AND AAS | |
| CAO | 4.98 | WT% | XRF | |
| NA2O | 3.94 | WT% | SRC AND AAS | |
| K2O | 1.73 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| TOTAL | 97.98 | WT% | XRF | |
| RB | 75 | PPM | XRF | |
| SR | 272 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 283 | PPM | XRF | |
| BA | 516 | PPM | XRF | |
| V | 96 | PPM | XRF | |
| CR | 28 | PPM | XRF | |
| NI | 9 | PPM | XRF |