Sample THR 81795-3
NavDat sample number 39009 · DACITE
Sample
| Sample ID | THR 81795-3 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic; fine to medium texture overall |
Location
| Latitude | 43.7703 |
|---|---|
| Longitude | -114.636 |
| Location | Smoky Mountains |
| State / province | Idaho |
| Volcanic field | Prairie Creek dacite porphyry-granodiorite suite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 44.3 | 51 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.68 | WT% | XRF | |
| AL2O3 | 15.92 | WT% | XRF | |
| TIO2 | 0.379 | WT% | XRF | |
| FEOT | 2.57 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| CAO | 2.83 | WT% | XRF | |
| MGO | 0.81 | WT% | XRF | |
| K2O | 3.24 | WT% | XRF | |
| NA2O | 4.1 | WT% | XRF | |
| P2O5 | 0.131 | WT% | XRF | |
| NI | 6 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 5 | PPM | XRF | |
| V | 22 | PPM | XRF | |
| BA | 1247 | PPM | XRF | |
| RB | 92 | PPM | XRF | |
| SR | 622 | PPM | XRF | |
| ZR | 223 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| NB | 25.8 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 1 | PPM | XRF | |
| ZN | 66 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 65 | PPM | XRF | |
| TH | 15 | PPM | XRF |