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Sample IG 22A
NavDat sample number 11641 · GRANITE
Sample
| Sample ID | IG 22A |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | medium grained, with many inclusions |
|---|
Location
| Latitude | 46.5383 |
|---|
| Longitude | -114.332 |
|---|
| 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 | 77.64 | | WT% | XRF |
| AL2O3 | 11.89 | | WT% | XRF |
| FE2O3T | 0.94 | | WT% | XRF |
| CAO | 0.62 | | WT% | XRF |
| K2O | 5.05 | | WT% | XRF |
| TIO2 | 0.2 | | WT% | XRF |
| NA2O | 2.31 | | WT% | EPMA |
| MGO | 0.26 | | WT% | EPMA |
| LOI | 0.45 | | WT% | XRF |
| TOTAL | 99.37 | | WT% | XRF |
| ZR | 105 | | PPM | XRF |
| NB | 14 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| RB | 131 | | PPM | XRF |
| SR | 533 | | PPM | XRF |
| BA | 6660 | | PPM | XRF |
| SR87_SR86 | 0.7161 | | | TIMS |
