Sample 9
NavDat sample number 18237 · PERIDOTITE
Sample
| Sample ID | 9 |
|---|---|
| Rock name | PERIDOTITE |
| Rock type | PLUTONIC |
| Composition | ULTRAMAFIC |
| Material | IGNEOUS |
| Comment | large forsteritic olivines, with or without large rounded phlogopites, in groundmass of calcite, Ti-magnetite, spinel, perovskite, serpentine, and rare dolomite |
Location
| Latitude | 47.9353 |
|---|---|
| Longitude | -108.92 |
| Location | Missouri River Breaks |
| State / province | Montana |
| Volcanic field | Macdougal Springs diatreme |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48 | 46 | 51 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 34.8 | WT% | SP-PH | |
| TIO2 | 1.72 | WT% | SP-PH | |
| AL2O3 | 3.5 | WT% | SP-PH | |
| FE2O3 | 4 | WT% | SP-PH | |
| FEO | 4.3 | WT% | SP-PH | |
| MNO | 0.18 | WT% | SP-PH | |
| MGO | 26.8 | WT% | SP-PH | |
| CAO | 8.68 | WT% | SP-PH | |
| NA2O | 0.1 | WT% | SP-PH | |
| K2O | 1.6 | WT% | SP-PH | |
| P2O5 | 0.69 | WT% | SP-PH | |
| H2O_PLUS | 7.4 | WT% | SP-PH | |
| H2O_MINUS | 1.6 | WT% | SP-PH | |
| TOTAL | 101.4 | WT% | SP-PH | |
| NI | 1100 | PPM | NAA | |
| CR | 1780 | PPM | NAA | |
| CO | 96.6 | PPM | NAA | |
| ZN | 85 | PPM | NAA | |
| SC | 16.8 | PPM | NAA | |
| CS | 2.3 | PPM | NAA | |
| BA | 1820 | PPM | NAA | |
| RB | 111 | PPM | NAA | |
| SR | 2170 | PPM | NAA | |
| ZR | 140 | PPM | NAA | |
| HF | 2.3 | PPM | NAA | |
| NB | 110 | PPM | NAA | |
| TA | 11.3 | PPM | NAA | |
| TH | 20 | PPM | NAA | |
| LA | 123 | PPM | NAA | |
| CE | 211 | PPM | NAA | |
| ND | 90 | PPM | NAA | |
| SM | 11.2 | PPM | NAA | |
| EU | 2.9 | PPM | NAA | |
| GD | 9.6 | PPM | NAA | |
| TB | 1 | PPM | NAA | |
| YB | 1.3 | PPM | NAA | |
| LU | 0.17 | PPM | NAA | |
| CL | 0.01 | WT% | NAA | |
| F | 0.17 | WT% | NAA |