Sample 4
NavDat sample number 18232 · KIMBERLITE
Sample
| Sample ID | 4 |
|---|---|
| Rock name | KIMBERLITE |
| Rock type | VOLCANIC |
| Composition | EXOTIC |
| Material | IGNEOUS |
| Comment | 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 | 47.8528 |
|---|---|
| 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 | 32.22 | WT% | SP-PH | |
| TIO2 | 1.63 | WT% | SP-PH | |
| AL2O3 | 3.42 | WT% | SP-PH | |
| FE2O3 | 5.55 | WT% | SP-PH | |
| FEO | 4.23 | WT% | SP-PH | |
| MNO | 0.17 | WT% | SP-PH | |
| MGO | 27.98 | WT% | SP-PH | |
| CAO | 8.52 | WT% | SP-PH | |
| NA2O | 0.1 | WT% | SP-PH | |
| K2O | 2.33 | WT% | SP-PH | |
| P2O5 | 2.15 | WT% | SP-PH | |
| H2O_PLUS | 6.34 | WT% | SP-PH | |
| H2O_MINUS | 0.83 | WT% | SP-PH | |
| TOTAL | 99.47 | WT% | SP-PH | |
| CR | 1090 | PPM | NAA | |
| CO | 78.7 | PPM | NAA | |
| ZN | 106 | PPM | NAA | |
| SC | 16.8 | PPM | NAA | |
| CS | 2.3 | PPM | NAA | |
| BA | 2000 | PPM | NAA | |
| RB | 126 | PPM | NAA | |
| SR | 1110 | PPM | NAA | |
| ZR | 250 | PPM | NAA | |
| HF | 4.1 | PPM | NAA | |
| NB | 200 | PPM | NAA | |
| TA | 12.2 | PPM | NAA | |
| TH | 25.9 | PPM | NAA | |
| LA | 177 | PPM | NAA | |
| CE | 302 | PPM | NAA | |
| ND | 123 | PPM | NAA | |
| SM | 18.5 | PPM | NAA | |
| EU | 4.52 | PPM | NAA | |
| TB | 1.55 | PPM | NAA | |
| YB | 1.2 | PPM | NAA | |
| LU | 0.17 | PPM | NAA | |
| CL | 0.02 | WT% | NAA | |
| F | 0.28 | WT% | NAA |