← Search
Sample 80DH152A
NavDat sample number 13656 · GRANITE
Sample
| Sample ID | 80DH152A |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 45.9817 |
|---|
| Longitude | -114.442 |
|---|
| 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 | 71.9 | | WT% | XRF |
| AL2O3 | 15.3 | | WT% | XRF |
| MGO | 0.4 | | WT% | XRF |
| CAO | 1.74 | | WT% | XRF |
| NA2O | 4.2 | | WT% | XRF |
| K2O | 3.57 | | WT% | XRF |
| TIO2 | 0.15 | | WT% | XRF |
| P2O5 | -0.1 | | WT% | XRF |
| MNO | -0.02 | | WT% | XRF |
| FE2O3T | 1.24 | | WT% | XRF |
| TOTAL | 98.38 | | WT% | XRF |