Sample 225
NavDat sample number 30778 · RHYOLITE
Sample
| Sample ID | 225 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.775 |
|---|---|
| Longitude | -118.708 |
| Location | Glass Mountain |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.65 | 1.2 | 2.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| FE2O3 | 0.75 | WT% | EDXRF | |
| CAO | 0.37 | WT% | EDXRF | |
| LA | 22.4 | PPM | INAA | |
| CE | 51.8 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.75 | PPM | INAA | |
| EU | 0.02 | PPM | INAA | |
| GD | 5 | PPM | INAA | |
| TB | 0.6 | PPM | INAA | |
| YB | 2.36 | PPM | INAA | |
| LU | 0.301 | PPM | INAA | |
| SC | 3.27 | PPM | INAA | |
| CO | 0.05 | PPM | INAA | |
| ZN | 33.1 | PPM | INAA | |
| HF | 3.9 | PPM | INAA | |
| TA | 2.76 | PPM | INAA | |
| TH | 17.3 | PPM | INAA | |
| U | 6.7 | PPM | INAA | |
| RB | 174 | PPM | INAA | |
| CS | 4.86 | PPM | INAA | |
| BA | 35 | PPM | INAA | |
| RB | 170 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| ZR | 97 | PPM | EDXRF | |
| NB | 27 | PPM | EDXRF |