Sample 15C
NavDat sample number 76267 · MONZONITE
Sample
| Sample ID | 15C |
|---|---|
| Rock name | MONZONITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | monzonite |
Location
| Latitude | 46.4994 |
|---|---|
| Longitude | -111.921 |
| Location | South of Helena |
| State / province | Montana |
| Pluton | Boulder batholith, Union Granodiorite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 78.2 | 77.4 | 79 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.24 | WT% | XRF | |
| AL2O3 | 17.2 | WT% | XRF | |
| FEO | 2.92 | WT% | XRF | |
| MGO | 0.77 | WT% | XRF | |
| CAO | 3.48 | WT% | XRF | |
| NA2O | 5.38 | WT% | FPHOT | |
| K2O | 2.61 | WT% | XRF | |
| TIO2 | 0.29 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| NB | 10.2 | PPM | XRF | |
| Y | 12.4 | PPM | XRF | |
| ZR | 142.4 | PPM | XRF | |
| SR | 1183.31 | PPM | XRF | |
| RB | 70.51 | PPM | XRF | |
| SM | 5.14 | PPM | TIMS_ID | |
| ND | 24.92 | PPM | TIMS_ID | |
| SM147_ND144 | 0.1247 | TIMS_ID | ||
| ND143_ND144 | 0.512017 | TIMS_ID | ||
| SR87_SR86 | 0.70544 | TIMS_ID | ||
| RB87_SR86 | 0.1723 | TIMS_ID | ||
| PB206_PB204 | 17.238 | TIMS | ||
| PB207_PB204 | 15.372 | TIMS | ||
| PB208_PB204 | 37.211 | TIMS |