Sample IG 1
NavDat sample number 11630 · GRANITE
Sample
| Sample ID | IG 1 |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | in sheared zone of batholith |
Location
| Latitude | 46.105 |
|---|---|
| Longitude | -114.258 |
| State / province | Montana |
| Volcanic field | Idaho batholith, Bitterroot lobe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 62 | 60 | 80 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.94 | WT% | XRF | |
| AL2O3 | 15.42 | WT% | XRF | |
| FE2O3T | 1.61 | WT% | XRF | |
| CAO | 1.9 | WT% | XRF | |
| K2O | 3.46 | WT% | XRF | |
| TIO2 | 0.24 | WT% | XRF | |
| NA2O | 4.35 | WT% | EPMA | |
| MGO | 0.39 | WT% | EPMA | |
| LOI | 1.46 | WT% | XRF | |
| TOTAL | 100.76 | WT% | XRF | |
| ZR | 133 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| Y | 5 | PPM | XRF | |
| RB | 81 | PPM | XRF | |
| SR | 829 | PPM | XRF | |
| BA | 1551 | PPM | XRF | |
| LA | 27 | PPM | NAA | |
| CE | 54 | PPM | NAA | |
| SM | 3.3 | PPM | NAA | |
| EU | 1.4 | PPM | NAA | |
| YB | 0.2 | PPM | NAA | |
| SR87_SR86 | 0.7121 | TIMS | ||
| PB206_PB204 | 18.531 | TIMS | ||
| PB207_PB204 | 15.631 | TIMS | ||
| PB208_PB204 | 38.547 | TIMS |