Sample THR 70395-2B
NavDat sample number 38998 · DACITE
Sample
| Sample ID | THR 70395-2B |
|---|---|
| Rock name | DACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic; fine to medium texture overall |
Location
| Latitude | 43.7539 |
|---|---|
| Longitude | -114.646 |
| 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 | 67.99 | WT% | XRF | |
| AL2O3 | 15.21 | WT% | XRF | |
| TIO2 | 0.47 | WT% | XRF | |
| FEOT | 3.02 | WT% | XRF | |
| MNO | 0.051 | WT% | XRF | |
| CAO | 3.03 | WT% | XRF | |
| MGO | 1.75 | WT% | XRF | |
| K2O | 3.82 | WT% | XRF | |
| NA2O | 4.27 | WT% | XRF | |
| P2O5 | 0.153 | WT% | XRF | |
| NI | 17 | PPM | XRF | |
| CR | 32 | PPM | XRF | |
| SC | 4 | PPM | XRF | |
| V | 55 | PPM | XRF | |
| BA | 1287 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 504 | PPM | XRF | |
| ZR | 177 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 21.9 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| ZN | 54 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| LA | 39 | PPM | XRF | |
| CE | 81 | PPM | XRF | |
| TH | 23 | PPM | XRF |