Sample BP-S35
NavDat sample number 30350 · SHONKINITE
Sample
| Sample ID | BP-S35 |
|---|---|
| Rock name | SHONKINITE |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Comment | olivine-analcime shonkinite |
Location
| Latitude | 48.1762 |
|---|---|
| Longitude | -109.417 |
| 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 | 50.25 | WT% | XRF | |
| AL2O3 | 11.35 | WT% | XRF | |
| TIO2 | 0.98 | WT% | XRF | |
| FEOT | 9.81 | WT% | XRF | |
| MNO | 0.216 | WT% | XRF | |
| CAO | 11.06 | WT% | XRF | |
| MGO | 9.06 | WT% | XRF | |
| K2O | 2.63 | WT% | XRF | |
| NA2O | 3.88 | WT% | XRF | |
| P2O5 | 0.762 | WT% | XRF | |
| NI | 78 | PPM | XRF | |
| CR | 382 | PPM | XRF | |
| SC | 33 | PPM | XRF | |
| V | 250 | PPM | XRF | |
| BA | 2478 | PPM | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 1143 | PPM | XRF | |
| ZR | 163 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| NB | 12.1 | PPM | XRF | |
| GA | 10 | PPM | XRF | |
| CU | 60 | PPM | XRF | |
| ZN | 104 | PPM | XRF |