Sample 12
NavDat sample number 12728
Sample
| Sample ID | 12 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
Location
| Latitude | 46.2925 |
|---|---|
| Longitude | -111.985 |
| Location | Elkhorn Mountains Volcanics |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 104 | 65 | 144 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.7 | WT% | ICP | |
| AL2O3 | 16.1 | WT% | ICP | |
| FE2O3T | 6.3 | WT% | ICP | |
| MGO | 1.4 | WT% | ICP | |
| CAO | 5.3 | WT% | ICP | |
| NA2O | 3.5 | WT% | ICP | |
| K2O | 4.1 | WT% | ICP | |
| TIO2 | 1.1 | WT% | ICP | |
| P2O5 | 0.47 | WT% | ICP | |
| MNO | 0.1 | WT% | ICP | |
| BA | 1006 | PPM | INAA | |
| CO | 13.2 | PPM | INAA | |
| CR | 4.9 | PPM | INAA | |
| CS | 1.4 | PPM | INAA | |
| CU | 40.4 | PPM | ICP | |
| HF | 6.4 | PPM | INAA | |
| NI | 9 | PPM | ICP | |
| RB | 114 | PPM | INAA | |
| SB | 0.5 | PPM | INAA | |
| SC | 12.8 | PPM | INAA | |
| SR | 799 | PPM | ICP | |
| TA | 0.9 | PPM | INAA | |
| TH | 11.1 | PPM | INAA | |
| U | 2.4 | PPM | INAA | |
| V | 144 | PPM | ICP | |
| ZN | 109 | PPM | INAA | |
| ZR | 193 | PPM | ICP | |
| LA | 48 | PPM | INAA | |
| CE | 88 | PPM | INAA | |
| SM | 6.4 | PPM | INAA | |
| EU | 1.78 | PPM | INAA | |
| TB | 0.75 | PPM | INAA | |
| YB | 2.8 | PPM | INAA | |
| LU | 0.47 | PPM | INAA |