Sample 28
NavDat sample number 30779 · RHYOLITE
Sample
| Sample ID | 28 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 0.79 | 0.711 | 0.869 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.2 | WT% | EDXRF | |
| TIO2 | 0.07 | WT% | EDXRF | |
| AL2O3 | 12.6 | WT% | EDXRF | |
| FE2O3 | 0.8 | WT% | EDXRF | |
| MNO | 0.03 | WT% | EDXRF | |
| CAO | 0.45 | WT% | EDXRF | |
| NA2O | 3.78 | WT% | EDXRF | |
| K2O | 4.95 | WT% | EDXRF | |
| LOI | 0.34 | WT% | EDXRF | |
| H2O | 1.1 | WT% | IGN | |
| F | 0.06 | WT% | SIE | |
| CL | 0.07 | WT% | SIE | |
| LA | 31.8 | PPM | INAA | |
| CE | 61.7 | PPM | INAA | |
| ND | 21 | PPM | INAA | |
| SM | 4.32 | PPM | INAA | |
| EU | 0.05 | PPM | INAA | |
| GD | 4.4 | PPM | INAA | |
| TB | 0.56 | PPM | INAA | |
| YB | 2.07 | PPM | INAA | |
| LU | 0.301 | PPM | INAA | |
| SC | 2.56 | PPM | INAA | |
| CO | 0.074 | PPM | INAA | |
| ZN | 25.6 | PPM | INAA | |
| HF | 3.51 | PPM | INAA | |
| TA | 2.24 | PPM | INAA | |
| TH | 17.9 | PPM | INAA | |
| U | 5.6 | PPM | INAA | |
| RB | 155 | PPM | INAA | |
| CS | 4.4 | PPM | INAA | |
| BA | 45 | PPM | INAA | |
| RB | 155 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 99 | PPM | EDXRF | |
| NB | 22 | PPM | EDXRF |