Sample PH-12
NavDat sample number 31307 · ANDESITE
Sample
| Sample ID | PH-12 |
|---|---|
| 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 | 63.44 | WT% | XRF | |
| TIO2 | 1.1 | WT% | XRF | |
| AL2O3 | 15.69 | WT% | SRC AND AAS | |
| FEO | 5.66 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 1.93 | WT% | SRC AND AAS | |
| CAO | 5 | WT% | XRF | |
| NA2O | 3.77 | WT% | SRC AND AAS | |
| K2O | 2.1 | WT% | XRF | |
| P2O5 | 0.22 | WT% | XRF | |
| TOTAL | 99.03 | WT% | XRF | |
| RB | 84 | PPM | XRF | |
| SR | 281 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 288 | PPM | XRF | |
| BA | 522 | PPM | XRF | |
| V | 96 | PPM | XRF | |
| CR | 20 | PPM | XRF | |
| NI | 12 | PPM | XRF |