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Sample 81MT258A
NavDat sample number 13798 · GRANITE
Sample
| Sample ID | 81MT258A |
|---|
| Rock name | GRANITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 45.9922 |
|---|
| Longitude | -114.454 |
|---|
| Location | RAVALLI 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 | 70.9 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| MGO | 0.88 | | WT% | XRF |
| CAO | 3.66 | | WT% | XRF |
| NA2O | 4.17 | | WT% | XRF |
| K2O | 2.61 | | WT% | XRF |
| TIO2 | 0.21 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| FE2O3T | 1.12 | | WT% | XRF |
| TOTAL | 99.06 | | WT% | XRF |
