Sample BP-S71
NavDat sample number 30380 · SHONKINITE
Sample
| Sample ID | BP-S71 |
|---|---|
| Rock name | SHONKINITE |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | olivine-analcime shonkinite |
Location
| Latitude | 48.1538 |
|---|---|
| Longitude | -109.673 |
| 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 | 51.55 | WT% | XRF | |
| AL2O3 | 12.99 | WT% | XRF | |
| TIO2 | 0.997 | WT% | XRF | |
| FEOT | 10.06 | WT% | XRF | |
| MNO | 0.182 | WT% | XRF | |
| CAO | 9.61 | WT% | XRF | |
| MGO | 8.23 | WT% | XRF | |
| K2O | 2.68 | WT% | XRF | |
| NA2O | 3.75 | WT% | XRF | |
| P2O5 | 0.659 | WT% | XRF | |
| NI | 68 | PPM | XRF | |
| CR | 343 | PPM | XRF | |
| SC | 36 | PPM | XRF | |
| V | 265 | PPM | XRF | |
| BA | 2060 | PPM | XRF | |
| RB | 95 | PPM | XRF | |
| SR | 759 | PPM | XRF | |
| ZR | 130 | PPM | XRF | |
| Y | 24 | PPM | XRF | |
| NB | 103 | PPM | XRF | |
| GA | 16 | PPM | XRF | |
| CU | 74 | PPM | XRF | |
| ZN | 100 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| LA | 37 | PPM | XRF | |
| CE | 30 | PPM | XRF | |
| TH | 6 | PPM | XRF |