Sample 56
NavDat sample number 30773 · RHYOLITE
Sample
| Sample ID | 56 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.82 | 1.638 | 2.002 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.78 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| CAO | 0.37 | WT% | EDXRF | |
| NA2O | 4.16 | WT% | EDXRF | |
| K2O | 4.6 | WT% | EDXRF | |
| LOI | 0.41 | WT% | EDXRF | |
| LA | 21.9 | PPM | INAA | |
| CE | 51.2 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.63 | PPM | INAA | |
| EU | 0.01 | PPM | INAA | |
| GD | 4.4 | PPM | INAA | |
| TB | 0.57 | PPM | INAA | |
| YB | 2.27 | PPM | INAA | |
| LU | 0.301 | PPM | INAA | |
| SC | 3.27 | PPM | INAA | |
| CO | 0.09 | PPM | INAA | |
| ZN | 33.1 | PPM | INAA | |
| HF | 3.88 | PPM | INAA | |
| TA | 2.73 | PPM | INAA | |
| TH | 17.3 | PPM | INAA | |
| U | 6.5 | PPM | INAA | |
| RB | 176 | PPM | INAA | |
| CS | 4.88 | PPM | INAA | |
| BA | 50 | PPM | INAA | |
| RB | 170 | PPM | EDXRF | |
| Y | 17 | PPM | EDXRF | |
| ZR | 100 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF |