Sample 165
NavDat sample number 30770 · RHYOLITE
Sample
| Sample ID | 165 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.6 | 1.44 | 1.76 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.9 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.77 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| CAO | 0.32 | WT% | EDXRF | |
| NA2O | 4.48 | WT% | EDXRF | |
| K2O | 4.49 | WT% | EDXRF | |
| LOI | 0.45 | WT% | EDXRF | |
| F | 0.11 | WT% | SIE | |
| CL | 0.05 | WT% | SIE | |
| LA | 18.2 | PPM | INAA | |
| CE | 47.5 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 5.8 | PPM | INAA | |
| EU | 0.02 | PPM | INAA | |
| GD | 6.5 | PPM | INAA | |
| TB | 0.92 | PPM | INAA | |
| YB | 3.32 | PPM | INAA | |
| LU | 0.425 | PPM | INAA | |
| SC | 4.42 | PPM | INAA | |
| CO | 0.07 | PPM | INAA | |
| ZN | 42 | PPM | INAA | |
| HF | 4.52 | PPM | INAA | |
| TA | 4.09 | PPM | INAA | |
| TH | 19.5 | PPM | INAA | |
| U | 9.3 | PPM | INAA | |
| RB | 243 | PPM | INAA | |
| CS | 7.2 | PPM | INAA | |
| BA | 60 | PPM | INAA | |
| RB | 245 | PPM | EDXRF | |
| Y | 26 | PPM | EDXRF | |
| ZR | 109 | PPM | EDXRF | |
| NB | 41 | PPM | EDXRF |