Sample MCR 7 5 3
NavDat sample number 38915 · RHYODACITE
Sample
| Sample ID | MCR 7 5 3 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8311 |
|---|---|
| Longitude | -114.547 |
| 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 | 76.52 | WT% | XRF | |
| AL2O3 | 13.08 | WT% | XRF | |
| TIO2 | 0.155 | WT% | XRF | |
| FEOT | 1 | WT% | XRF | |
| MNO | 0.02 | WT% | XRF | |
| CAO | 0.71 | WT% | XRF | |
| MGO | 0.3 | WT% | XRF | |
| K2O | 4.83 | WT% | XRF | |
| NA2O | 3.6 | WT% | XRF | |
| P2O5 | 0.035 | WT% | XRF | |
| TOTAL | 100.25 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| V | 11 | PPM | XRF | |
| BA | 364 | PPM | XRF | |
| RB | 193 | PPM | XRF | |
| SR | 148 | PPM | XRF | |
| ZR | 93 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| NB | 25.1 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 15 | PPM | XRF | |
| ZN | 26 | PPM | XRF | |
| PB | 31 | PPM | XRF | |
| LA | 35 | PPM | XRF | |
| CE | 69 | PPM | XRF | |
| TH | 37 | PPM | XRF |