Sample A
NavDat sample number 12732
Sample
| Sample ID | A |
|---|---|
| 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 | 68.5 | WT% | ICP | |
| AL2O3 | 16.8 | WT% | ICP | |
| FE2O3T | 1.8 | WT% | ICP | |
| MGO | 0.7 | WT% | ICP | |
| CAO | 1.4 | WT% | ICP | |
| NA2O | 4.1 | WT% | ICP | |
| K2O | 4.4 | WT% | ICP | |
| MNO | 0.14 | WT% | ICP | |
| FEO | 1.4 | WT% | TIT | |
| TIO2 | 0.74 | WT% | COL | |
| P2O5 | 0.09 | WT% | COL | |
| BA | 1490 | PPM | INAA | |
| CO | 2.9 | PPM | INAA | |
| CR | 5 | PPM | INAA | |
| CS | 2.9 | PPM | INAA | |
| CU | 14 | PPM | AAS | |
| HF | 7.8 | PPM | INAA | |
| RB | 140 | PPM | INAA | |
| SB | 1 | PPM | INAA | |
| SC | 8.4 | PPM | INAA | |
| SR | 400 | PPM | ICP | |
| TA | 1.3 | PPM | INAA | |
| TH | 16.4 | PPM | INAA | |
| U | 3.9 | PPM | INAA | |
| V | 28 | PPM | AAS | |
| Y | 25 | PPM | ICP | |
| ZN | 40 | PPM | INAA | |
| ZR | 310 | PPM | ICP | |
| LA | 56.8 | PPM | INAA | |
| CE | 104 | PPM | INAA | |
| SM | 7.9 | PPM | INAA | |
| EU | 1.57 | PPM | INAA | |
| TB | 0.83 | PPM | INAA | |
| YB | 2.8 | PPM | INAA | |
| LU | 0.44 | PPM | INAA |