Sample 5
NavDat sample number 18233 · KIMBERLITE
Sample
| Sample ID | 5 |
|---|---|
| Rock name | KIMBERLITE |
| Rock type | VOLCANIC |
| Composition | EXOTIC |
| Material | IGNEOUS |
| Comment | fragmental; Large rounded olivine and small euhedral-to-rounded olivines Fo80-92 in part xenocrystic in groundmass of phlogopite, serpentine, calcite, spinel, apatite, and perovskite; some late stage andraditic-schorlomitic garnet present |
Location
| Latitude | 47.8533 |
|---|---|
| Longitude | -108.701 |
| Location | Missouri River Breaks |
| State / province | Montana |
| Volcanic field | Williams 4 diatreme |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48 | 46 | 51 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 32.7 | WT% | SP-PH | |
| TIO2 | 1.8 | WT% | SP-PH | |
| AL2O3 | 3.4 | WT% | SP-PH | |
| FE2O3 | 5.6 | WT% | SP-PH | |
| FEO | 4.4 | WT% | SP-PH | |
| MNO | 0.17 | WT% | SP-PH | |
| MGO | 24.3 | WT% | SP-PH | |
| CAO | 9 | WT% | SP-PH | |
| NA2O | 0.09 | WT% | SP-PH | |
| K2O | 3.1 | WT% | SP-PH | |
| P2O5 | 0.96 | WT% | SP-PH | |
| H2O_PLUS | 6.5 | WT% | SP-PH | |
| H2O_MINUS | 0.87 | WT% | SP-PH | |
| TOTAL | 99.1 | WT% | SP-PH | |
| NI | 1100 | PPM | NAA | |
| CR | 988 | PPM | NAA | |
| CO | 84.6 | PPM | NAA | |
| ZN | 101 | PPM | NAA | |
| SC | 16.5 | PPM | NAA | |
| CS | 3.4 | PPM | NAA | |
| BA | 1020 | PPM | NAA | |
| RB | 110 | PPM | NAA | |
| SR | 1200 | PPM | NAA | |
| ZR | 180 | PPM | NAA | |
| HF | 3.8 | PPM | NAA | |
| NB | 241 | PPM | NAA | |
| TA | 11.6 | PPM | NAA | |
| TH | 26.6 | PPM | NAA | |
| LA | 157 | PPM | NAA | |
| CE | 246 | PPM | NAA | |
| ND | 96 | PPM | NAA | |
| SM | 15.3 | PPM | NAA | |
| EU | 3.68 | PPM | NAA | |
| GD | 9.1 | PPM | NAA | |
| TB | 1.49 | PPM | NAA | |
| YB | 1.5 | PPM | NAA | |
| LU | 0.16 | PPM | NAA | |
| CL | 0.0042 | WT% | NAA |