Sample PM-25
NavDat sample number 31330 · ANDESITE
Sample
| Sample ID | PM-25 |
|---|---|
| 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 | 54.46 | WT% | XRF | |
| TIO2 | 1.45 | WT% | XRF | |
| AL2O3 | 16.33 | WT% | SRC AND AAS | |
| FEO | 9 | WT% | XRF | |
| MNO | 0.18 | WT% | XRF | |
| MGO | 6.24 | WT% | SRC AND AAS | |
| CAO | 9.05 | WT% | XRF | |
| NA2O | 3.07 | WT% | SRC AND AAS | |
| K2O | 0.77 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| TOTAL | 100.92 | WT% | XRF | |
| RB | 19 | PPM | XRF | |
| SR | 335 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 169 | PPM | XRF | |
| BA | 341 | PPM | XRF | |
| V | 256 | PPM | XRF | |
| CR | 88 | PPM | XRF | |
| NI | 41 | PPM | XRF |