Sample 291
NavDat sample number 52835 · RHYOLITE
Sample
| Sample ID | 291 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5953 |
|---|---|
| Longitude | -121.453 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.475 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.4 | WT% | XRF | |
| AL2O3 | 13.1 | WT% | XRF | |
| FEOT | 1.12 | WT% | XRF | |
| MGO | 0 | WT% | XRF | |
| CAO | 0.44 | WT% | XRF | |
| NA2O | 4.07 | WT% | XRF | |
| K2O | 4.77 | WT% | XRF | |
| TIO2 | 0.06 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 98.58 | WT% | XRF | |
| LOI | 0.6 | WT% | XRF | |
| RB | 139 | PPM | XRF | |
| SR | 16 | PPM | XRF | |
| Y | 56 | PPM | XRF | |
| ZR | 170 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| BA | 101 | PPM | XRF | |
| ZN | 71 | PPM | XRF | |
| SC | 4.4 | PPM | INAA | |
| CO | 0.2 | PPM | INAA | |
| RB | 128 | PPM | INAA | |
| ZR | 208 | PPM | INAA | |
| SB | 2.37 | PPM | INAA | |
| CS | 9.29 | PPM | INAA | |
| LA | 39.1 | PPM | INAA | |
| CE | 84.8 | PPM | INAA | |
| ND | 42 | PPM | INAA | |
| SM | 8.92 | PPM | INAA | |
| EU | 0.162 | PPM | INAA | |
| GD | 8.07 | PPM | INAA | |
| TB | 1.45 | PPM | INAA | |
| DY | 9.23 | PPM | INAA | |
| TM | 1.02 | PPM | INAA | |
| YB | 6.32 | PPM | INAA | |
| LU | 1.02 | PPM | INAA | |
| HF | 5.89 | PPM | INAA | |
| TA | 1.18 | PPM | INAA | |
| TH | 12.6 | PPM | INAA | |
| U | 5.14 | PPM | INAA | |
| MN | 374 | PPM | INAA |