Sample 155
NavDat sample number 30784 · RHYOLITE
Sample
| Sample ID | 155 |
|---|---|
| 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 | 0.79 | 1.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| FE2O3 | 0.76 | WT% | EDXRF | |
| CAO | 0.42 | WT% | EDXRF | |
| K2O | 4.75 | WT% | EDXRF | |
| LA | 25.3 | PPM | INAA | |
| CE | 55.4 | PPM | INAA | |
| ND | 20 | PPM | INAA | |
| SM | 4.26 | PPM | INAA | |
| EU | 0.047 | PPM | INAA | |
| GD | 4.7 | PPM | INAA | |
| TB | 0.51 | PPM | INAA | |
| YB | 1.92 | PPM | INAA | |
| LU | 0.255 | PPM | INAA | |
| SC | 2.84 | PPM | INAA | |
| CO | 0.079 | PPM | INAA | |
| ZN | 29.3 | PPM | INAA | |
| HF | 3.66 | PPM | INAA | |
| TA | 2.35 | PPM | INAA | |
| TH | 17.2 | PPM | INAA | |
| U | 5.3 | PPM | INAA | |
| RB | 151 | PPM | INAA | |
| CS | 4.11 | PPM | INAA | |
| BA | 46 | PPM | INAA | |
| RB | 150 | PPM | EDXRF | |
| Y | 16 | PPM | EDXRF | |
| ZR | 93 | PPM | EDXRF | |
| NB | 24 | PPM | EDXRF |