Sample 141
NavDat sample number 30767 · RHYOLITE
Sample
| Sample ID | 141 |
|---|---|
| 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 |
|---|---|---|---|---|---|
| 1.44 | 1.296 | 1.584 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.8 | WT% | EDXRF | |
| TIO2 | 0.06 | WT% | EDXRF | |
| AL2O3 | 12.9 | WT% | EDXRF | |
| FE2O3 | 0.82 | WT% | EDXRF | |
| MNO | 0.05 | WT% | EDXRF | |
| CAO | 0.38 | WT% | EDXRF | |
| NA2O | 4.19 | WT% | EDXRF | |
| K2O | 4.69 | WT% | EDXRF | |
| LOI | 2.49 | WT% | EDXRF | |
| LA | 20.6 | PPM | INAA | |
| CE | 48.7 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 4.66 | PPM | INAA | |
| EU | 0.02 | PPM | INAA | |
| GD | 5.1 | PPM | INAA | |
| TB | 0.67 | PPM | INAA | |
| YB | 2.37 | PPM | INAA | |
| LU | 0.304 | PPM | INAA | |
| SC | 3.37 | PPM | INAA | |
| CO | 0.033 | PPM | INAA | |
| ZN | 35 | PPM | INAA | |
| HF | 3.84 | PPM | INAA | |
| TA | 2.86 | PPM | INAA | |
| TH | 17.1 | PPM | INAA | |
| U | 6.6 | PPM | INAA | |
| RB | 186 | PPM | INAA | |
| CS | 5.04 | PPM | INAA | |
| BA | 40 | PPM | INAA | |
| RB | 180 | PPM | EDXRF | |
| Y | 18 | PPM | EDXRF | |
| ZR | 97 | PPM | EDXRF | |
| NB | 30 | PPM | EDXRF |