Sample OP9874
NavDat sample number 42786 · ANDESITE
Sample
| Sample ID | OP9874 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7833 |
|---|---|
| Longitude | -110.467 |
| Location | SW Washburn Range |
| State / province | MT/WY |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 53 | 52 | 55 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.45 | WT% | XRF | |
| TIO2 | 0.68 | WT% | XRF | |
| AL2O3 | 14.97 | WT% | XRF | |
| FE2O3 | 6.99 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 6.93 | WT% | XRF | |
| CAO | 6.78 | WT% | XRF | |
| NA2O | 3.38 | WT% | XRF | |
| K2O | 1.86 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| TOTAL | 99.36 | WT% | XRF | |
| BA | 1088 | PPM | XRF | |
| V | 146 | PPM | XRF | |
| CR | 355 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| NI | 136 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 30 | PPM | XRF | |
| SC | 21 | PPM | XRF | |
| SC | 19 | PPM | INAA | |
| CS | 0.8 | PPM | INAA | |
| SR | 668 | PPM | XRF | |
| U | 0.4 | PPM | INAA | |
| TH | 2 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| ZR | 132 | PPM | XRF | |
| LA | 30 | PPM | INAA | |
| CE | 51.5 | PPM | INAA | |
| ND | 17 | PPM | INAA | |
| SM | 4.2 | PPM | INAA | |
| EU | 1.21 | PPM | INAA | |
| TB | 0.39 | PPM | INAA | |
| YB | 1.7 | PPM | INAA | |
| LU | 0.22 | PPM | INAA | |
| HF | 3.4 | PPM | INAA |