Sample 245
NavDat sample number 30761 · RHYOLITE
Sample
| Sample ID | 245 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.74 | 1.566 | 1.914 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| FE2O3 | 0.78 | WT% | EDXRF | |
| CAO | 0.36 | WT% | EDXRF | |
| K2O | 4.44 | WT% | EDXRF | |
| LA | 18.1 | PPM | INAA | |
| CE | 45.7 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 5.22 | PPM | INAA | |
| EU | 0.02 | PPM | INAA | |
| GD | 5.2 | PPM | INAA | |
| TB | 0.77 | PPM | INAA | |
| YB | 2.52 | PPM | INAA | |
| LU | 0.365 | PPM | INAA | |
| SC | 3.87 | PPM | INAA | |
| CO | 0.09 | PPM | INAA | |
| ZN | 38.2 | PPM | INAA | |
| HF | 4.19 | PPM | INAA | |
| TA | 3.42 | PPM | INAA | |
| TH | 17.4 | PPM | INAA | |
| U | 7.6 | PPM | INAA | |
| RB | 202 | PPM | INAA | |
| CS | 6.04 | PPM | INAA | |
| BA | 55 | PPM | INAA | |
| RB | 205 | PPM | EDXRF | |
| Y | 24 | PPM | EDXRF | |
| ZR | 104 | PPM | EDXRF | |
| NB | 34 | PPM | EDXRF |