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Sample 81DH118A
NavDat sample number 13775 · GRANITE
Sample
| Sample ID | 81DH118A |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 45.8922 |
|---|
| Longitude | -114.392 |
|---|
| Location | IDAHO COUNTY |
|---|
| State / province | Montana |
|---|
| Volcanic field | IDAHO BATHOLITH, Bitterroot lobe |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 77 |
|
60 |
95 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.5 | | WT% | XRF |
| AL2O3 | 16.5 | | WT% | XRF |
| MGO | 0.47 | | WT% | XRF |
| CAO | 2 | | WT% | XRF |
| NA2O | 4.55 | | WT% | XRF |
| K2O | 3.82 | | WT% | XRF |
| TIO2 | 0.23 | | WT% | XRF |
| P2O5 | 0.15 | | WT% | XRF |
| MNO | -0.02 | | WT% | XRF |
| FE2O3T | 1.72 | | WT% | XRF |
| TOTAL | 98.92 | | WT% | XRF |
