Sample MCR 7 1-4
NavDat sample number 38918 · RHYODACITE
Sample
| Sample ID | MCR 7 1-4 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8364 |
|---|---|
| Longitude | -114.539 |
| 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 | 77.84 | WT% | XRF | |
| AL2O3 | 12.58 | WT% | XRF | |
| TIO2 | 0.135 | WT% | XRF | |
| FEOT | 0.88 | WT% | XRF | |
| MNO | 0.018 | WT% | XRF | |
| CAO | 0.45 | WT% | XRF | |
| MGO | 0.4 | WT% | XRF | |
| K2O | 4.65 | WT% | XRF | |
| NA2O | 3.31 | WT% | XRF | |
| P2O5 | 0.028 | WT% | XRF | |
| TOTAL | 100.29 | WT% | XRF | |
| NI | 14 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 29 | PPM | XRF | |
| BA | 364 | PPM | XRF | |
| RB | 193 | PPM | XRF | |
| SR | 123 | PPM | XRF | |
| ZR | 88 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| NB | 25.8 | PPM | XRF | |
| GA | 14 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 15 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 38 | PPM | XRF | |
| TH | 34 | PPM | XRF |