Sample 202712
NavDat sample number 50163 · RHYOLITE
Sample
| Sample ID | 202712 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | PLUTONIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 46.0401 |
|---|---|
| Longitude | -110.326 |
| Location | Crazy Mountains |
| State / province | Montana |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 50 | 49.5 | 50.5 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 70.81 | WT% | XRF | |
| AL2O3 | 15.18 | WT% | XRF | |
| FE2O3 | 0.24 | WT% | XRF | |
| FEO | 1.96 | WT% | XRF | |
| MGO | 0.59 | WT% | XRF | |
| CAO | 1.84 | WT% | XRF | |
| NA2O | 4.55 | WT% | XRF | |
| K2O | 4.25 | WT% | XRF | |
| TIO2 | 0.4 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| LOI | 0.08 | WT% | XRF | |
| RB | 97 | PPM | EDXRF | |
| SR | 660 | PPM | EDXRF | |
| Y | 13 | PPM | EDXRF | |
| ZR | 204 | PPM | EDXRF | |
| NB | 24 | PPM | EDXRF | |
| BA | 2177 | PPM | EDXRF | |
| LA | 58 | PPM | EDXRF | |
| CE | 85 | PPM | EDXRF | |
| ND | 48 | PPM | EDXRF |