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Sample IG 33A
NavDat sample number 11649 · GRANITE
Sample
| Sample ID | IG 33A |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | medium grained |
|---|
Location
| Latitude | 46.5017 |
|---|
| Longitude | -114.373 |
|---|
| 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 | 70.15 | | WT% | XRF |
| AL2O3 | 15.89 | | WT% | XRF |
| FE2O3T | 1.88 | | WT% | XRF |
| CAO | 1.63 | | WT% | XRF |
| K2O | 5.31 | | WT% | XRF |
| TIO2 | 0.26 | | WT% | XRF |
| NA2O | 3.47 | | WT% | EPMA |
| MGO | 0.38 | | WT% | EPMA |
| LOI | 2.99 | | WT% | XRF |
| TOTAL | 101.96 | | WT% | XRF |
| ZR | 163 | | PPM | XRF |
| NB | 16 | | PPM | XRF |
| Y | 7 | | PPM | XRF |
| RB | 146 | | PPM | XRF |
| SR | 366 | | PPM | XRF |
| BA | 1341 | | PPM | XRF |
| SR87_SR86 | 0.71 | | | TIMS |
| PB206_PB204 | 17.929 | | | TIMS |
| PB207_PB204 | 15.572 | | | TIMS |
| PB208_PB204 | 37.919 | | | TIMS |
