Sample 66
NavDat sample number 30763 · RHYOLITE
Sample
| Sample ID | 66 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.35 | 1.215 | 1.485 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.5 | WT% | EDXRF | |
| TIO2 | 0.07 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FE2O3 | 0.77 | WT% | EDXRF | |
| MNO | 0.07 | WT% | EDXRF | |
| CAO | 0.38 | WT% | EDXRF | |
| NA2O | 4.14 | WT% | EDXRF | |
| K2O | 4.45 | WT% | EDXRF | |
| LOI | 1.9 | WT% | EDXRF | |
| LA | 15.1 | PPM | INAA | |
| CE | 37.8 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 5.44 | PPM | INAA | |
| EU | 0.029 | PPM | INAA | |
| GD | 6.2 | PPM | INAA | |
| TB | 0.9 | PPM | INAA | |
| YB | 3.52 | PPM | INAA | |
| LU | 0.462 | PPM | INAA | |
| SC | 4.47 | PPM | INAA | |
| CO | 0.13 | PPM | INAA | |
| ZN | 33.9 | PPM | INAA | |
| HF | 4.37 | PPM | INAA | |
| TA | 4.27 | PPM | INAA | |
| TH | 29.5 | PPM | INAA | |
| U | 9.6 | PPM | INAA | |
| RB | 227 | PPM | INAA | |
| CS | 8.04 | PPM | INAA | |
| BA | 66 | PPM | INAA | |
| RB | 230 | PPM | EDXRF | |
| Y | 32 | PPM | EDXRF | |
| ZR | 101 | PPM | EDXRF | |
| NB | 38 | PPM | EDXRF |