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Sample 2022
NavDat sample number 12925
Sample
| Sample ID | 2022 |
|---|
| Rock type | VOLCANIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 45.2179 |
|---|
| Longitude | -110.23 |
|---|
| Location | Independence stock |
|---|
| State / province | Montana |
|---|
| Volcanic field | HAT low-K high alumina tholeiitic basaltic andesite through shoshonite to high-K dacite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 84 |
|
83 |
86 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| RB87_SR86 | 0.19 | | | MS-ID |
| SR87_SR86 | 0.70485 | | | TIMS |
| SM147_ND144 | 0.114 | | | MS-ID |
| ND143_ND144 | 0.51195 | | | TIMS |
| PB206_PB204 | 17.463 | | | TIMS |
| PB207_PB204 | 15.417 | | | TIMS |
| PB208_PB204 | 37.326 | | | TIMS |