Sample J
NavDat sample number 12740
Sample
| Sample ID | J |
|---|---|
| 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 | 66.6 | WT% | ICP | |
| AL2O3 | 17.2 | WT% | ICP | |
| FE2O3T | 1.9 | WT% | ICP | |
| MGO | 1.1 | WT% | ICP | |
| CAO | 2.7 | WT% | ICP | |
| NA2O | 4 | WT% | ICP | |
| K2O | 4.5 | WT% | ICP | |
| MNO | 0.08 | WT% | ICP | |
| FEO | 1 | WT% | TIT | |
| TIO2 | 0.62 | WT% | COL | |
| P2O5 | 0.2 | WT% | COL | |
| BA | 1400 | PPM | INAA | |
| CO | 4.6 | PPM | INAA | |
| CR | 5.7 | PPM | INAA | |
| CS | 1.2 | PPM | INAA | |
| HF | 6.4 | PPM | INAA | |
| RB | 123 | PPM | INAA | |
| SB | 0.3 | PPM | INAA | |
| SC | 8.9 | PPM | INAA | |
| SR | 470 | PPM | ICP | |
| TA | 1 | PPM | INAA | |
| TH | 12.1 | PPM | INAA | |
| U | 2.9 | PPM | INAA | |
| V | 55 | PPM | AAS | |
| Y | 21 | PPM | ICP | |
| ZN | 58 | PPM | INAA | |
| ZR | 280 | PPM | ICP | |
| LA | 47.9 | PPM | INAA | |
| CE | 84 | PPM | INAA | |
| SM | 6.6 | PPM | INAA | |
| EU | 1.5 | PPM | INAA | |
| TB | 0.8 | PPM | INAA | |
| YB | 2.5 | PPM | INAA | |
| LU | 0.39 | PPM | INAA |