Sample BP-S24
NavDat sample number 30345 · SHONKINITE
Sample
| Sample ID | BP-S24 |
|---|---|
| Rock name | SHONKINITE |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | pseudoleucite shonkinite |
Location
| Latitude | 48.212 |
|---|---|
| Longitude | -109.825 |
| Location | Bearpaw Mountains |
| State / province | Montana |
| Volcanic field | Bearpaw Mountains igneous complex, Montana Alkalic Province |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48 | 42 | 54 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 50.31 | WT% | XRF | |
| AL2O3 | 12.12 | WT% | XRF | |
| TIO2 | 0.846 | WT% | XRF | |
| FEOT | 9.16 | WT% | XRF | |
| MNO | 0.189 | WT% | XRF | |
| CAO | 10.44 | WT% | XRF | |
| MGO | 8.52 | WT% | XRF | |
| K2O | 5.55 | WT% | XRF | |
| NA2O | 2.04 | WT% | XRF | |
| P2O5 | 0.825 | WT% | XRF | |
| NI | 38 | PPM | XRF | |
| CR | 298 | PPM | XRF | |
| SC | 31 | PPM | XRF | |
| V | 234 | PPM | XRF | |
| BA | 2680 | PPM | XRF | |
| RB | 137 | PPM | XRF | |
| SR | 1000 | PPM | XRF | |
| ZR | 136 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| NB | 9.1 | PPM | XRF | |
| GA | 13 | PPM | XRF | |
| CU | 33 | PPM | XRF | |
| ZN | 93 | PPM | XRF | |
| LA | 26.35 | PPM | XRF | |
| CE | 55.18 | PPM | XRF | |
| PR | 6.64 | PPM | XRF | |
| ND | 29.35 | PPM | XRF | |
| SM | 6.1 | PPM | XRF | |
| EU | 1.8 | PPM | XRF | |
| GD | 6.12 | PPM | XRF | |
| DY | 3.86 | PPM | XRF | |
| HO | 0.79 | PPM | XRF | |
| ER | 1.96 | PPM | XRF | |
| YB | 1.83 | PPM | XRF | |
| LU | 0.26 | PPM | XRF |