Sample 161
NavDat sample number 30774 · RHYOLITE
Sample
| Sample ID | 161 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.65 | 1.2 | 2.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 12.5 | WT% | EDXRF | |
| FE2O3 | 0.77 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| CAO | 0.39 | WT% | EDXRF | |
| NA2O | 4.29 | WT% | EDXRF | |
| K2O | 4.66 | WT% | EDXRF | |
| LOI | 0.65 | WT% | EDXRF | |
| LA | 22 | PPM | INAA | |
| CE | 50 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.65 | PPM | INAA | |
| EU | 0.021 | PPM | INAA | |
| GD | 4.7 | PPM | INAA | |
| TB | 0.61 | PPM | INAA | |
| YB | 2.21 | PPM | INAA | |
| LU | 0.308 | PPM | INAA | |
| SC | 3.24 | PPM | INAA | |
| CO | 0.045 | PPM | INAA | |
| ZN | 32.8 | PPM | INAA | |
| HF | 3.86 | PPM | INAA | |
| TA | 2.71 | PPM | INAA | |
| TH | 17.2 | PPM | INAA | |
| U | 6.1 | PPM | INAA | |
| RB | 171 | PPM | INAA | |
| CS | 4.82 | PPM | INAA | |
| BA | 46 | PPM | INAA | |
| RB | 180 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 98 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF |