Sample MCR 7 4 2
NavDat sample number 38916 · RHYODACITE
Sample
| Sample ID | MCR 7 4 2 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.8258 |
|---|---|
| Longitude | -114.534 |
| 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 | 71.99 | WT% | XRF | |
| AL2O3 | 14.36 | WT% | XRF | |
| TIO2 | 0.293 | WT% | XRF | |
| FEOT | 2 | WT% | XRF | |
| MNO | 0.031 | WT% | XRF | |
| CAO | 0.75 | WT% | XRF | |
| MGO | 0.46 | WT% | XRF | |
| K2O | 5.78 | WT% | XRF | |
| NA2O | 3.76 | WT% | XRF | |
| P2O5 | 0.077 | WT% | XRF | |
| TOTAL | 99.5 | WT% | XRF | |
| NI | 11 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 9 | PPM | XRF | |
| V | 21 | PPM | XRF | |
| BA | 1069 | PPM | XRF | |
| RB | 279 | PPM | XRF | |
| SR | 214 | PPM | XRF | |
| ZR | 206 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| NB | 29.9 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 17 | PPM | XRF | |
| ZN | 28 | PPM | XRF | |
| PB | 22 | PPM | XRF | |
| LA | 66 | PPM | XRF | |
| CE | 109 | PPM | XRF | |
| TH | 41 | PPM | XRF | |
| LA | 55.96 | PPM | ICPMS | |
| CE | 91.15 | PPM | ICPMS | |
| PR | 8.97 | PPM | ICPMS | |
| ND | 30.86 | PPM | ICPMS | |
| SM | 5.6 | PPM | ICPMS | |
| EU | 0.98 | PPM | ICPMS | |
| GD | 3.97 | PPM | ICPMS | |
| TB | 0.62 | PPM | ICPMS | |
| DY | 3.6 | PPM | ICPMS | |
| HO | 0.71 | PPM | ICPMS | |
| ER | 2 | PPM | ICPMS | |
| TM | 0.3 | PPM | ICPMS | |
| YB | 1.99 | PPM | ICPMS | |
| LU | 0.32 | PPM | ICPMS | |
| BA | 1025.41 | PPM | ICPMS | |
| TH | 33.94 | PPM | ICPMS | |
| NB | 33.2 | PPM | ICPMS | |
| Y | 21.04 | PPM | ICPMS | |
| HF | 6.07 | PPM | ICPMS | |
| TA | 2.78 | PPM | ICPMS | |
| U | 11.56 | PPM | ICPMS | |
| PB | 27.47 | PPM | ICPMS | |
| RB | 274.99 | PPM | ICPMS | |
| CS | 4 | PPM | ICPMS | |
| SR | 213.83 | PPM | ICPMS | |
| D18O | -0.5 | PERMILL | MS | |
| D18O | 9 | PERMILL | MS | |
| D18O | -1.7 | PERMILL | MS | |
| PB206_PB204 | 18.378 | TIMS | ||
| PB207_PB204 | 15.616 | TIMS | ||
| PB208_PB204 | 39.116 | TIMS | ||
| SR87_SR86 | 0.71226 | TIMS | ||
| ND143_ND144 | 0.511852 | TIMS |