Sample AF12
NavDat sample number 12756
Sample
| Sample ID | AF12 |
|---|---|
| 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 |
|---|---|---|---|---|
| FEO | 2.6 | WT% | TIT | |
| TIO2 | 0.87 | WT% | COL | |
| P2O5 | 0.35 | WT% | COL | |
| BA | 1200 | PPM | INAA | |
| CO | 10.6 | PPM | INAA | |
| CR | 9.9 | PPM | INAA | |
| CS | 2.5 | PPM | INAA | |
| CU | 26 | PPM | AAS | |
| HF | 2.6 | PPM | INAA | |
| NI | 8 | PPM | AAS | |
| RB | 104 | PPM | INAA | |
| SB | 0.2 | PPM | INAA | |
| SC | 11.8 | PPM | INAA | |
| SR | 650 | PPM | ICP | |
| TA | 0.9 | PPM | INAA | |
| TH | 11.5 | PPM | INAA | |
| U | 2.4 | PPM | INAA | |
| V | 140 | PPM | AAS | |
| Y | 24 | PPM | ICP | |
| ZN | 86 | PPM | INAA | |
| ZR | 410 | PPM | ICP | |
| LA | 49.1 | PPM | INAA | |
| CE | 86 | PPM | INAA | |
| SM | 7.3 | PPM | INAA | |
| EU | 1.85 | PPM | INAA | |
| TB | 0.9 | PPM | INAA | |
| YB | 2.7 | PPM | INAA | |
| LU | 0.39 | PPM | INAA | |
| SIO2 | 64 | WT% | ICP | |
| AL2O3 | 17.4 | WT% | ICP | |
| FE2O3 | 2.7 | WT% | ICP | |
| MGO | 1.4 | WT% | ICP | |
| CAO | 3.7 | WT% | ICP | |
| NA2O | 3.2 | WT% | ICP | |
| K2O | 3.6 | WT% | ICP | |
| MNO | 0.1 | WT% | ICP |