Sample PM-31
NavDat sample number 31337 · ANDESITE
Sample
| Sample ID | PM-31 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3721 |
|---|---|
| Longitude | -120.503 |
| 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 | 53.57 | WT% | XRF | |
| TIO2 | 1.42 | WT% | XRF | |
| AL2O3 | 17.96 | WT% | SRC AND AAS | |
| FEO | 9.15 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 5.49 | WT% | SRC AND AAS | |
| CAO | 8.79 | WT% | XRF | |
| NA2O | 3.4 | WT% | SRC AND AAS | |
| K2O | 0.91 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| TOTAL | 101.16 | WT% | XRF | |
| RB | 29 | PPM | XRF | |
| SR | 341 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 167 | PPM | XRF | |
| BA | 354 | PPM | XRF | |
| V | 252 | PPM | XRF | |
| CR | 60 | PPM | XRF | |
| NI | 23 | PPM | XRF |