Sample PM-4A
NavDat sample number 31343 · ANDESITE
Sample
| Sample ID | PM-4A |
|---|---|
| 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 | 61.44 | WT% | XRF | |
| TIO2 | 1.06 | WT% | XRF | |
| AL2O3 | 16.98 | WT% | SRC AND AAS | |
| FEO | 6.46 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 4.02 | WT% | SRC AND AAS | |
| CAO | 6.28 | WT% | XRF | |
| NA2O | 3.67 | WT% | SRC AND AAS | |
| K2O | 1.39 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| TOTAL | 101.65 | WT% | XRF | |
| RB | 62 | PPM | XRF | |
| SR | 410 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| BA | 507 | PPM | XRF | |
| V | 130 | PPM | XRF | |
| CR | 151 | PPM | XRF | |
| NI | 27 | PPM | XRF |