Sample 58
NavDat sample number 30795 · RHYOLITE
Sample
| Sample ID | 58 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.82 | 0.738 | 0.902 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.5 | WT% | EDXRF | |
| TIO2 | 0.04 | WT% | EDXRF | |
| AL2O3 | 12.4 | WT% | EDXRF | |
| FE2O3 | 0.8 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| CAO | 0.41 | WT% | EDXRF | |
| NA2O | 3.82 | WT% | EDXRF | |
| K2O | 4.76 | WT% | EDXRF | |
| LOI | 0.7 | WT% | EDXRF | |
| H2O | 1 | WT% | IGN | |
| F | 0.07 | WT% | SIE | |
| CL | 0.12 | WT% | SIE | |
| LA | 23.5 | PPM | INAA | |
| CE | 52 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.61 | PPM | INAA | |
| EU | 0.026 | PPM | INAA | |
| GD | 4.9 | PPM | INAA | |
| TB | 0.67 | PPM | INAA | |
| YB | 2.69 | PPM | INAA | |
| LU | 0.366 | PPM | INAA | |
| SC | 2.82 | PPM | INAA | |
| CO | 0.09 | PPM | INAA | |
| ZN | 27.5 | PPM | INAA | |
| HF | 3.75 | PPM | INAA | |
| TA | 2.76 | PPM | INAA | |
| TH | 20.4 | PPM | INAA | |
| U | 6.8 | PPM | INAA | |
| RB | 184 | PPM | INAA | |
| CS | 5.19 | PPM | INAA | |
| BA | 50 | PPM | INAA | |
| RB | 175 | PPM | EDXRF | |
| Y | 24 | PPM | EDXRF | |
| ZR | 96 | PPM | EDXRF | |
| NB | 24 | PPM | EDXRF |