Sample BP-S25b
NavDat sample number 30347 · SYENITE
Sample
| Sample ID | BP-S25b |
|---|---|
| Rock name | SYENITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | mafic trachyte agglomerate |
Location
| Latitude | 48.233 |
|---|---|
| Longitude | -109.661 |
| 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 | 56.7 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| TIO2 | 0.529 | WT% | XRF | |
| FEOT | 6.21 | WT% | XRF | |
| MNO | 0.135 | WT% | XRF | |
| CAO | 6.19 | WT% | XRF | |
| MGO | 5.66 | WT% | XRF | |
| K2O | 6.22 | WT% | XRF | |
| NA2O | 2.97 | WT% | XRF | |
| P2O5 | 0.481 | WT% | XRF | |
| NI | 151 | PPM | XRF | |
| CR | 245 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| V | 151 | PPM | XRF | |
| BA | 3764 | PPM | XRF | |
| RB | 183 | PPM | XRF | |
| SR | 853 | PPM | XRF | |
| ZR | 198 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| NB | 13.9 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| CU | 37 | PPM | XRF | |
| ZN | 73 | PPM | XRF |