Sample MCR 31 3
NavDat sample number 38907 · RHYODACITE
Sample
| Sample ID | MCR 31 3 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8264 |
|---|---|
| Longitude | -114.574 |
| Location | Boulder Mountains |
| State / province | Idaho |
| Volcanic field | Boulder Mountain Stock, porphyry unit |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 42.8 | 38.9 | 46.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.29 | WT% | XRF | |
| AL2O3 | 13.63 | WT% | XRF | |
| TIO2 | 0.188 | WT% | XRF | |
| FEOT | 1.46 | WT% | XRF | |
| MNO | 0.029 | WT% | XRF | |
| CAO | 0.2 | WT% | XRF | |
| MGO | 0.15 | WT% | XRF | |
| K2O | 5.42 | WT% | XRF | |
| NA2O | 3.64 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| TOTAL | 99.06 | WT% | XRF | |
| NI | 8 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 6 | PPM | XRF | |
| V | 15 | PPM | XRF | |
| BA | 658 | PPM | XRF | |
| RB | 262 | PPM | XRF | |
| SR | 156 | PPM | XRF | |
| ZR | 153 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| NB | 33.5 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| ZN | 30 | PPM | XRF | |
| PB | 41 | PPM | XRF | |
| LA | 33 | PPM | XRF | |
| CE | 68 | PPM | XRF | |
| TH | 37 | PPM | XRF |