Sample THR 70595-4A
NavDat sample number 38993 · RHYODACITE
Sample
| Sample ID | THR 70595-4A |
|---|---|
| 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 | 43.7528 |
|---|---|
| Longitude | -114.646 |
| 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 | 73.54 | WT% | XRF | |
| AL2O3 | 13.71 | WT% | XRF | |
| TIO2 | 0.246 | WT% | XRF | |
| FEOT | 1.63 | WT% | XRF | |
| MNO | 0.049 | WT% | XRF | |
| CAO | 1.15 | WT% | XRF | |
| MGO | 0.7 | WT% | XRF | |
| K2O | 4.79 | WT% | XRF | |
| NA2O | 3.96 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| SC | 4 | PPM | XRF | |
| V | 10 | PPM | XRF | |
| BA | 697 | PPM | XRF | |
| RB | 257 | PPM | XRF | |
| SR | 162 | PPM | XRF | |
| ZR | 175 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| NB | 37.7 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 33 | PPM | XRF | |
| PB | 26 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 86 | PPM | XRF | |
| TH | 32 | PPM | XRF |