Sample MCR 31 5
NavDat sample number 38908 · RHYODACITE
Sample
| Sample ID | MCR 31 5 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8356 |
|---|---|
| Longitude | -114.566 |
| 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 | 70.83 | WT% | XRF | |
| AL2O3 | 14.31 | WT% | XRF | |
| TIO2 | 0.376 | WT% | XRF | |
| FEOT | 2.61 | WT% | XRF | |
| MNO | 0.051 | WT% | XRF | |
| CAO | 1.36 | WT% | XRF | |
| MGO | 0.73 | WT% | XRF | |
| K2O | 5.38 | WT% | XRF | |
| NA2O | 3.59 | WT% | XRF | |
| P2O5 | 0.106 | WT% | XRF | |
| TOTAL | 99.34 | WT% | XRF | |
| NI | 9 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 5 | PPM | XRF | |
| V | 39 | PPM | XRF | |
| BA | 998 | PPM | XRF | |
| RB | 227 | PPM | XRF | |
| SR | 203 | PPM | XRF | |
| ZR | 258 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| NB | 29.9 | PPM | XRF | |
| GA | 18 | PPM | XRF | |
| CU | 5 | PPM | XRF | |
| ZN | 40 | PPM | XRF | |
| PB | 25 | PPM | XRF | |
| LA | 71 | PPM | XRF | |
| CE | 124 | PPM | XRF | |
| TH | 38 | PPM | XRF |