Sample IG 32A
NavDat sample number 11648 · GRANITE
Sample
| Sample ID | IG 32A |
|---|---|
| Rock name | GRANITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | medium grained |
Location
| Latitude | 46.5033 |
|---|---|
| Longitude | -114.37 |
| 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 | 71.28 | WT% | XRF | |
| AL2O3 | 15.5 | WT% | XRF | |
| FE2O3T | 1.88 | WT% | XRF | |
| CAO | 1.59 | WT% | XRF | |
| K2O | 5.19 | WT% | XRF | |
| TIO2 | 0.26 | WT% | XRF | |
| NA2O | 3.27 | WT% | EPMA | |
| MGO | 0.36 | WT% | EPMA | |
| LOI | 1.86 | WT% | XRF | |
| TOTAL | 101.2 | WT% | XRF | |
| ZR | 169 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| Y | 5 | PPM | XRF | |
| RB | 146 | PPM | XRF | |
| SR | 355 | PPM | XRF | |
| BA | 1371 | PPM | XRF | |
| SR87_SR86 | 0.71 | TIMS | ||
| PB206_PB204 | 18.269 | TIMS | ||
| PB207_PB204 | 15.606 | TIMS | ||
| PB208_PB204 | 38.177 | TIMS | ||
| SM | 4.1 | PPM | MS-ID | |
| ND | 28.7 | PPM | MS-ID | |
| ND143_ND144 | 0.51161 | TIMS |