Sample MCR 7 814
NavDat sample number 38917 · RHYODACITE
Sample
| Sample ID | MCR 7 814 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8264 |
|---|---|
| Longitude | -114.545 |
| 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 | 69.69 | WT% | XRF | |
| AL2O3 | 15.13 | WT% | XRF | |
| TIO2 | 0.446 | WT% | XRF | |
| FEOT | 0.47 | WT% | XRF | |
| MNO | 0.011 | WT% | XRF | |
| CAO | 3.46 | WT% | XRF | |
| MGO | 1.12 | WT% | XRF | |
| K2O | 4.63 | WT% | XRF | |
| NA2O | 4.31 | WT% | XRF | |
| P2O5 | 0.153 | WT% | XRF | |
| TOTAL | 99.42 | WT% | XRF | |
| NI | 16 | PPM | XRF | |
| CR | 30 | PPM | XRF | |
| SC | 4 | PPM | XRF | |
| V | 39 | PPM | XRF | |
| BA | 1578 | PPM | XRF | |
| RB | 155 | PPM | XRF | |
| SR | 840 | PPM | XRF | |
| ZR | 187 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| NB | 26.8 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 2 | PPM | XRF | |
| ZN | 41 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| CE | 56 | PPM | XRF | |
| TH | 24 | PPM | XRF |