Sample 38
NavDat sample number 30787 · RHYOLITE
Sample
| Sample ID | 38 |
|---|---|
| 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 | 0.79 | 1.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.8 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| CAO | 0.42 | WT% | EDXRF | |
| NA2O | 3.92 | WT% | EDXRF | |
| K2O | 4.77 | WT% | EDXRF | |
| LOI | 0.52 | WT% | EDXRF | |
| LA | 25.7 | PPM | INAA | |
| CE | 53.8 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.57 | PPM | INAA | |
| EU | 0.027 | PPM | INAA | |
| GD | 4.2 | PPM | INAA | |
| TB | 0.66 | PPM | INAA | |
| YB | 2.62 | PPM | INAA | |
| LU | 0.333 | PPM | INAA | |
| SC | 2.74 | PPM | INAA | |
| CO | 0.11 | PPM | INAA | |
| ZN | 26.9 | PPM | INAA | |
| HF | 3.56 | PPM | INAA | |
| TA | 2.42 | PPM | INAA | |
| TH | 19.1 | PPM | INAA | |
| U | 6.3 | PPM | INAA | |
| RB | 174 | PPM | INAA | |
| CS | 4.86 | PPM | INAA | |
| BA | 43 | PPM | INAA | |
| RB | 165 | PPM | EDXRF | |
| Y | 21 | PPM | EDXRF | |
| ZR | 97 | PPM | EDXRF | |
| NB | 21 | PPM | EDXRF |