Sample MCR 7 4 8
NavDat sample number 38910 · RHYODACITE
Sample
| Sample ID | MCR 7 4 8 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8336 |
|---|---|
| Longitude | -114.546 |
| 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 | 68.98 | WT% | XRF | |
| AL2O3 | 14.53 | WT% | XRF | |
| TIO2 | 0.432 | WT% | XRF | |
| FEOT | 3.06 | WT% | XRF | |
| MNO | 0.054 | WT% | XRF | |
| CAO | 2.15 | WT% | XRF | |
| MGO | 1.55 | WT% | XRF | |
| K2O | 3.96 | WT% | XRF | |
| NA2O | 4.05 | WT% | XRF | |
| P2O5 | 0.143 | WT% | XRF | |
| TOTAL | 98.91 | WT% | XRF | |
| NI | 17 | PPM | XRF | |
| CR | 35 | PPM | XRF | |
| SC | 7 | PPM | XRF | |
| V | 41 | PPM | XRF | |
| BA | 1220 | PPM | XRF | |
| RB | 139 | PPM | XRF | |
| SR | 432 | PPM | XRF | |
| ZR | 168 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| NB | 27.1 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 1 | PPM | XRF | |
| ZN | 40 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| LA | 52 | PPM | XRF | |
| CE | 92 | PPM | XRF | |
| TH | 22 | PPM | XRF |