Sample PM-26
NavDat sample number 31331 · ANDESITE
Sample
| Sample ID | PM-26 |
|---|---|
| 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 | 56.81 | WT% | XRF | |
| TIO2 | 1.38 | WT% | XRF | |
| AL2O3 | 17.15 | WT% | SRC AND AAS | |
| FEO | 8.16 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.35 | WT% | SRC AND AAS | |
| CAO | 7.76 | WT% | XRF | |
| NA2O | 3.51 | WT% | SRC AND AAS | |
| K2O | 1.15 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| TOTAL | 100.81 | WT% | XRF | |
| RB | 33 | PPM | XRF | |
| SR | 374 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| BA | 463 | PPM | XRF | |
| V | 209 | PPM | XRF | |
| CR | 33 | PPM | XRF | |
| NI | 16 | PPM | XRF |