Sample AF4
NavDat sample number 12758
Sample
| Sample ID | AF4 |
|---|---|
| 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 | 2.9 | WT% | TIT | |
| TIO2 | 0.89 | WT% | COL | |
| P2O5 | 0.15 | WT% | COL | |
| BA | 745 | PPM | INAA | |
| CO | 14.7 | PPM | INAA | |
| CR | 24 | PPM | INAA | |
| CS | 0.5 | PPM | INAA | |
| CU | 18 | PPM | AAS | |
| HF | 3.7 | PPM | INAA | |
| NI | 10 | PPM | AAS | |
| RB | 128 | PPM | INAA | |
| SB | 0.2 | PPM | INAA | |
| SC | 15.6 | PPM | INAA | |
| SR | 500 | PPM | ICP | |
| TA | 0.6 | PPM | INAA | |
| TH | 5.7 | PPM | INAA | |
| U | 1.4 | PPM | INAA | |
| V | 170 | PPM | AAS | |
| Y | 20 | PPM | ICP | |
| ZN | 76 | PPM | INAA | |
| ZR | 170 | PPM | ICP | |
| LA | 29.7 | PPM | INAA | |
| CE | 53 | PPM | INAA | |
| SM | 5.1 | PPM | INAA | |
| EU | 1.31 | PPM | INAA | |
| TB | 0.56 | PPM | INAA | |
| YB | 2.1 | PPM | INAA | |
| LU | 0.31 | PPM | INAA | |
| SIO2 | 63.3 | WT% | ICP | |
| AL2O3 | 16.7 | WT% | ICP | |
| FE2O3 | 4.3 | WT% | ICP | |
| MGO | 2.1 | WT% | ICP | |
| CAO | 4.5 | WT% | ICP | |
| NA2O | 3.7 | WT% | ICP | |
| K2O | 1.2 | WT% | ICP | |
| MNO | 0.09 | WT% | ICP |