Sample 4
NavDat sample number 12720
Sample
| Sample ID | 4 |
|---|---|
| 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 | 59.3 | WT% | ICP | |
| AL2O3 | 13.5 | WT% | ICP | |
| FE2O3T | 7.2 | WT% | ICP | |
| MGO | 6.6 | WT% | ICP | |
| CAO | 6 | WT% | ICP | |
| NA2O | 1.9 | WT% | ICP | |
| K2O | 4.4 | WT% | ICP | |
| TIO2 | 0.76 | WT% | ICP | |
| P2O5 | 0.34 | WT% | ICP | |
| MNO | 0.14 | WT% | ICP | |
| BA | 733 | PPM | INAA | |
| CO | 31 | PPM | INAA | |
| CR | 414 | PPM | INAA | |
| CS | 3.4 | PPM | INAA | |
| CU | 25.7 | PPM | ICP | |
| HF | 5.1 | PPM | INAA | |
| NI | 143 | PPM | ICP | |
| RB | 104 | PPM | INAA | |
| SB | 0.5 | PPM | INAA | |
| SC | 17.9 | PPM | INAA | |
| SR | 450 | PPM | ICP | |
| TA | 0.6 | PPM | INAA | |
| TH | 7.8 | PPM | INAA | |
| U | 1.9 | PPM | INAA | |
| V | 118 | PPM | ICP | |
| ZN | 106 | PPM | INAA | |
| ZR | 152 | PPM | ICP | |
| LA | 36 | PPM | INAA | |
| CE | 67 | PPM | INAA | |
| SM | 5.2 | PPM | INAA | |
| EU | 1.37 | PPM | INAA | |
| TB | 0.58 | PPM | INAA | |
| YB | 2.4 | PPM | INAA | |
| LU | 0.45 | PPM | INAA |