Sample PM-24
NavDat sample number 31329 · ANDESITE
Sample
| Sample ID | PM-24 |
|---|---|
| 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 | 58.31 | WT% | XRF | |
| TIO2 | 1.33 | WT% | XRF | |
| AL2O3 | 15.84 | WT% | SRC AND AAS | |
| FEO | 7.76 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 5.37 | WT% | SRC AND AAS | |
| CAO | 7.31 | WT% | XRF | |
| NA2O | 3.49 | WT% | SRC AND AAS | |
| K2O | 0.68 | WT% | XRF | |
| P2O5 | 0.34 | WT% | XRF | |
| TOTAL | 100.57 | WT% | XRF | |
| RB | 65 | PPM | XRF | |
| SR | 428 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 206 | PPM | XRF | |
| BA | 385 | PPM | XRF | |
| V | 152 | PPM | XRF | |
| CR | 311 | PPM | XRF | |
| NI | 67 | PPM | XRF |