Sample 4
NavDat sample number 30786 · RHYOLITE
Sample
| Sample ID | 4 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.92 | 0.828 | 1.012 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.7 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.78 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| CAO | 0.41 | WT% | EDXRF | |
| NA2O | 3.77 | WT% | EDXRF | |
| K2O | 4.7 | WT% | EDXRF | |
| LOI | 0.4 | WT% | EDXRF | |
| F | 0.07 | WT% | SIE | |
| CL | 0.06 | WT% | SIE | |
| LA | 25.9 | PPM | INAA | |
| CE | 55.2 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 4.54 | PPM | INAA | |
| EU | 0.025 | PPM | INAA | |
| GD | 5.1 | PPM | INAA | |
| TB | 0.61 | PPM | INAA | |
| YB | 2.48 | PPM | INAA | |
| LU | 0.334 | PPM | INAA | |
| SC | 2.76 | PPM | INAA | |
| CO | 0.068 | PPM | INAA | |
| ZN | 28.4 | PPM | INAA | |
| HF | 3.59 | PPM | INAA | |
| TA | 2.52 | PPM | INAA | |
| TH | 19 | PPM | INAA | |
| U | 6.2 | PPM | INAA | |
| RB | 170 | PPM | INAA | |
| CS | 4.81 | PPM | INAA | |
| BA | 56 | PPM | INAA | |
| RB | 175 | PPM | EDXRF | |
| Y | 22 | PPM | EDXRF | |
| ZR | 100 | PPM | EDXRF | |
| NB | 22 | PPM | EDXRF |