Sample 48
NavDat sample number 30788 · RHYOLITE
Sample
| Sample ID | 48 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.06 | 0.954 | 1.166 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.1 | WT% | EDXRF | |
| TIO2 | 0.05 | WT% | EDXRF | |
| AL2O3 | 12.7 | WT% | EDXRF | |
| FE2O3 | 0.79 | WT% | EDXRF | |
| MNO | 0.04 | WT% | EDXRF | |
| CAO | 0.41 | WT% | EDXRF | |
| NA2O | 4 | WT% | EDXRF | |
| K2O | 4.77 | WT% | EDXRF | |
| LOI | 0.45 | WT% | EDXRF | |
| LA | 26.3 | PPM | INAA | |
| CE | 57.3 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 4.91 | PPM | INAA | |
| EU | 0.025 | PPM | INAA | |
| GD | 5.2 | PPM | INAA | |
| TB | 0.74 | PPM | INAA | |
| YB | 2.48 | PPM | INAA | |
| LU | 0.36 | PPM | INAA | |
| SC | 2.91 | PPM | INAA | |
| CO | 0.066 | PPM | INAA | |
| ZN | 28.4 | PPM | INAA | |
| HF | 3.94 | PPM | INAA | |
| TA | 2.85 | PPM | INAA | |
| TH | 20.8 | PPM | INAA | |
| U | 6.7 | PPM | INAA | |
| RB | 183 | PPM | INAA | |
| CS | 5.48 | PPM | INAA | |
| BA | 43 | PPM | INAA | |
| RB | 180 | PPM | EDXRF | |
| Y | 23 | PPM | EDXRF | |
| ZR | 99 | PPM | EDXRF | |
| NB | 25 | PPM | EDXRF |