Sample THR 81495-3
NavDat sample number 38997 · RHYODACITE
Sample
| Sample ID | THR 81495-3 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | porphyritic; fine to medium crystalline groundmass; present as dikes, veins, and isolated outcrops throught the granite stock |
Location
| Latitude | 43.77 |
|---|---|
| Longitude | -114.683 |
| Location | Smoky Mountains |
| State / province | Idaho |
| Volcanic field | Prairie Creek rhyodacite-rhyolite suite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 42 | 38.9 | 46.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.41 | WT% | XRF | |
| AL2O3 | 14.4 | WT% | XRF | |
| TIO2 | 0.327 | WT% | XRF | |
| FEOT | 2.2 | WT% | XRF | |
| MNO | 0.033 | WT% | XRF | |
| CAO | 1.31 | WT% | XRF | |
| MGO | 0.53 | WT% | XRF | |
| K2O | 5.16 | WT% | XRF | |
| NA2O | 3.54 | WT% | XRF | |
| P2O5 | 0.093 | WT% | XRF | |
| NI | 10 | PPM | XRF | |
| CR | 10 | PPM | XRF | |
| SC | 3 | PPM | XRF | |
| V | 32 | PPM | XRF | |
| BA | 1002 | PPM | XRF | |
| RB | 235 | PPM | XRF | |
| SR | 247 | PPM | XRF | |
| ZR | 225 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| NB | 30.3 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 29 | PPM | XRF | |
| PB | 25 | PPM | XRF | |
| LA | 47 | PPM | XRF | |
| CE | 91 | PPM | XRF | |
| TH | 42 | PPM | XRF |