Sample MCR 7 1 2
NavDat sample number 38909 · RHYODACITE
Sample
| Sample ID | MCR 7 1 2 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8358 |
|---|---|
| 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 | 62.23 | WT% | XRF | |
| AL2O3 | 17.74 | WT% | XRF | |
| TIO2 | 0.569 | WT% | XRF | |
| FEOT | 4.62 | WT% | XRF | |
| MNO | 0.082 | WT% | XRF | |
| CAO | 2.58 | WT% | XRF | |
| MGO | 1.57 | WT% | XRF | |
| K2O | 4.03 | WT% | XRF | |
| NA2O | 5.05 | WT% | XRF | |
| P2O5 | 0.252 | WT% | XRF | |
| TOTAL | 98.72 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 17 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| V | 56 | PPM | XRF | |
| BA | 1839 | PPM | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 627 | PPM | XRF | |
| ZR | 267 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| NB | 36 | PPM | XRF | |
| GA | 23 | PPM | XRF | |
| CU | 16 | PPM | XRF | |
| ZN | 64 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| LA | 66 | PPM | XRF | |
| CE | 95 | PPM | XRF | |
| TH | 21 | PPM | XRF |