Sample THR 81795-2
NavDat sample number 39008 · DACITE
Sample
| Sample ID | THR 81795-2 |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic; fine to medium texture overall |
Location
| Latitude | 43.7756 |
|---|---|
| Longitude | -114.635 |
| 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 | 65.16 | WT% | XRF | |
| AL2O3 | 14.62 | WT% | XRF | |
| TIO2 | 0.626 | WT% | XRF | |
| FEOT | 4.45 | WT% | XRF | |
| MNO | 0.089 | WT% | XRF | |
| CAO | 4.32 | WT% | XRF | |
| MGO | 3.33 | WT% | XRF | |
| K2O | 3.57 | WT% | XRF | |
| NA2O | 3.33 | WT% | XRF | |
| P2O5 | 0.205 | WT% | XRF | |
| NI | 53 | PPM | XRF | |
| CR | 132 | PPM | XRF | |
| SC | 12 | PPM | XRF | |
| V | 97 | PPM | XRF | |
| BA | 1474 | PPM | XRF | |
| RB | 98 | PPM | XRF | |
| SR | 574 | PPM | XRF | |
| ZR | 196 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| NB | 24.1 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 3 | PPM | XRF | |
| ZN | 57 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| LA | 32 | PPM | XRF | |
| CE | 67 | PPM | XRF | |
| TH | 16 | PPM | XRF |