Sample 205
NavDat sample number 30768 · RHYOLITE
Sample
| Sample ID | 205 |
|---|---|
| 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 | 0.08 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.79 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| CAO | 0.37 | WT% | EDXRF | |
| NA2O | 4.06 | WT% | EDXRF | |
| K2O | 4.94 | WT% | EDXRF | |
| LOI | 0.79 | WT% | EDXRF | |
| LA | 21.1 | PPM | INAA | |
| CE | 50.4 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 4.8 | PPM | INAA | |
| EU | 0.016 | PPM | INAA | |
| GD | 4 | PPM | INAA | |
| TB | 0.64 | PPM | INAA | |
| YB | 2.38 | PPM | INAA | |
| LU | 0.312 | PPM | INAA | |
| SC | 3.44 | PPM | INAA | |
| CO | 0.06 | PPM | INAA | |
| ZN | 33.3 | PPM | INAA | |
| HF | 3.92 | PPM | INAA | |
| TA | 2.89 | PPM | INAA | |
| TH | 17.2 | PPM | INAA | |
| U | 6.6 | PPM | INAA | |
| RB | 183 | PPM | INAA | |
| CS | 5.26 | PPM | INAA | |
| BA | 59 | PPM | INAA | |
| RB | 180 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 98 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF |