Sample 31
NavDat sample number 30789 · RHYOLITE
Sample
| Sample ID | 31 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.98 | 0.882 | 1.078 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12.6 | WT% | EDXRF | |
| FE2O3 | 0.79 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| CAO | 0.42 | WT% | EDXRF | |
| NA2O | 3.95 | WT% | EDXRF | |
| K2O | 4.79 | WT% | EDXRF | |
| LOI | 0.31 | WT% | EDXRF | |
| H2O | 1.1 | WT% | IGN | |
| F | 0.07 | WT% | SIE | |
| CL | 0.08 | WT% | SIE | |
| LA | 24.9 | PPM | INAA | |
| CE | 54.7 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 4.74 | PPM | INAA | |
| EU | 0.014 | PPM | INAA | |
| GD | 5.3 | PPM | INAA | |
| TB | 0.67 | PPM | INAA | |
| YB | 2.84 | PPM | INAA | |
| LU | 0.359 | PPM | INAA | |
| SC | 2.73 | PPM | INAA | |
| CO | 0.09 | PPM | INAA | |
| ZN | 27.6 | PPM | INAA | |
| HF | 3.68 | PPM | INAA | |
| TA | 2.59 | PPM | INAA | |
| TH | 19.7 | PPM | INAA | |
| U | 6.4 | PPM | INAA | |
| RB | 177 | PPM | INAA | |
| CS | 5.18 | PPM | INAA | |
| BA | 36 | PPM | INAA | |
| RB | 155 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 89 | PPM | EDXRF | |
| NB | 22 | PPM | EDXRF |