Sample THR 70195-2B
NavDat sample number 38992 · RHYODACITE
Sample
| Sample ID | THR 70195-2B |
|---|---|
| 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 | 43.7467 |
|---|---|
| Longitude | -114.636 |
| 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 | 72.15 | WT% | XRF | |
| AL2O3 | 14.57 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| FEOT | 2.06 | WT% | XRF | |
| MNO | 0.039 | WT% | XRF | |
| CAO | 1.4 | WT% | XRF | |
| MGO | 0.4 | WT% | XRF | |
| K2O | 4.95 | WT% | XRF | |
| NA2O | 3.81 | WT% | XRF | |
| P2O5 | 0.087 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 7 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| V | 16 | PPM | XRF | |
| BA | 1081 | PPM | XRF | |
| RB | 237 | PPM | XRF | |
| SR | 226 | PPM | XRF | |
| ZR | 225 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| NB | 33.9 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 33 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| LA | 76 | PPM | XRF | |
| CE | 107 | PPM | XRF | |
| TH | 32 | PPM | XRF |