Sample 12
NavDat sample number 18240 · PERIDOTITE
Sample
| Sample ID | 12 |
|---|---|
| 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 | 46.6722 |
|---|---|
| Longitude | -106.909 |
| Location | Missouri River Breaks |
| State / province | Montana |
| Volcanic field | Gold Butte |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48 | 46 | 51 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 21.9 | WT% | SP-PH | |
| TIO2 | 2.4 | WT% | SP-PH | |
| AL2O3 | 4.2 | WT% | SP-PH | |
| FE2O3 | 6.6 | WT% | SP-PH | |
| FEO | 4.4 | WT% | SP-PH | |
| MNO | 0.19 | WT% | SP-PH | |
| MGO | 19.6 | WT% | SP-PH | |
| CAO | 16.4 | WT% | SP-PH | |
| NA2O | 0.22 | WT% | SP-PH | |
| K2O | 1.1 | WT% | SP-PH | |
| P2O5 | 1.2 | WT% | SP-PH | |
| H2O_PLUS | 3.7 | WT% | SP-PH | |
| H2O_MINUS | 1.6 | WT% | SP-PH | |
| TOTAL | 98.5 | WT% | SP-PH | |
| NI | 420 | PPM | NAA | |
| CR | 528 | PPM | NAA | |
| CO | 68.3 | PPM | NAA | |
| ZN | 116 | PPM | NAA | |
| SC | 17.7 | PPM | NAA | |
| CS | 2.1 | PPM | NAA | |
| BA | 5250 | PPM | NAA | |
| RB | 76 | PPM | NAA | |
| SR | 1700 | PPM | NAA | |
| ZR | 210 | PPM | NAA | |
| HF | 5.2 | PPM | NAA | |
| NB | 221 | PPM | NAA | |
| TA | 15 | PPM | NAA | |
| TH | 27.9 | PPM | NAA | |
| LA | 196 | PPM | NAA | |
| CE | 332 | PPM | NAA | |
| ND | 130 | PPM | NAA | |
| SM | 18.4 | PPM | NAA | |
| EU | 3.81 | PPM | NAA | |
| GD | 10.8 | PPM | NAA | |
| TB | 1.39 | PPM | NAA | |
| YB | 1 | PPM | NAA | |
| LU | 0.13 | PPM | NAA |