Sample OP9861
NavDat sample number 42785 · ANDESITE
Sample
| Sample ID | OP9861 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7667 |
|---|---|
| Longitude | -110.55 |
| 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 | 57.1 | WT% | XRF | |
| TIO2 | 0.81 | WT% | XRF | |
| AL2O3 | 17.49 | WT% | XRF | |
| FE2O3 | 7.36 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 3.93 | WT% | XRF | |
| CAO | 6.92 | WT% | XRF | |
| NA2O | 4.01 | WT% | XRF | |
| K2O | 1.87 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| TOTAL | 99.81 | WT% | XRF | |
| BA | 1219 | PPM | XRF | |
| V | 168 | PPM | XRF | |
| CR | 33 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| NI | 14 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 29 | PPM | XRF | |
| SC | 22 | PPM | XRF | |
| SC | 18.7 | PPM | INAA | |
| CS | 0.7 | PPM | INAA | |
| SR | 757 | PPM | XRF | |
| TA | 0.27 | PPM | INAA | |
| TH | 5 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| ZR | 141 | PPM | XRF | |
| LA | 33 | PPM | INAA | |
| CE | 57 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.8 | PPM | INAA | |
| EU | 1.42 | PPM | INAA | |
| TB | 0.46 | PPM | INAA | |
| YB | 1.5 | PPM | INAA | |
| LU | 0.24 | PPM | INAA | |
| HF | 3.6 | PPM | INAA |