Sample MCR 7 411
NavDat sample number 38912 · RHYODACITE
Sample
| Sample ID | MCR 7 411 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8347 |
|---|---|
| Longitude | -114.544 |
| 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 | 73.06 | WT% | XRF | |
| AL2O3 | 14.22 | WT% | XRF | |
| TIO2 | 0.304 | WT% | XRF | |
| FEOT | 2.14 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| CAO | 0.57 | WT% | XRF | |
| MGO | 0.53 | WT% | XRF | |
| K2O | 5.31 | WT% | XRF | |
| NA2O | 3.96 | WT% | XRF | |
| P2O5 | 0.084 | WT% | XRF | |
| TOTAL | 100.22 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 1 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| V | 13 | PPM | XRF | |
| BA | 1091 | PPM | XRF | |
| RB | 204 | PPM | XRF | |
| SR | 362 | PPM | XRF | |
| ZR | 235 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| NB | 29.9 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| ZN | 36 | PPM | XRF | |
| PB | 21 | PPM | XRF | |
| LA | 57 | PPM | XRF | |
| CE | 79 | PPM | XRF | |
| TH | 42 | PPM | XRF |