Sample 276
NavDat sample number 52833 · RHYOLITE
Sample
| Sample ID | 276 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6167 |
|---|---|
| Longitude | -121.52 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.29 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.1 | WT% | XRF | |
| AL2O3 | 14.7 | WT% | XRF | |
| FEOT | 2.57 | WT% | XRF | |
| MGO | 0.73 | WT% | XRF | |
| CAO | 1.91 | WT% | XRF | |
| NA2O | 3.89 | WT% | XRF | |
| K2O | 4.5 | WT% | XRF | |
| TIO2 | 0.49 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| TOTAL | 99.16 | WT% | XRF | |
| LOI | 0.74 | WT% | XRF | |
| FEOT | 1.97 | WT% | WET | |
| H2O_PLUS | 0.3 | WT% | WET | |
| H2O_MINUS | 0.17 | WT% | WET | |
| CO2 | 0.04 | WT% | WET | |
| RB | 143 | PPM | XRF | |
| SR | 127 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 294 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 750 | PPM | XRF | |
| SC | 6.8 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 4.1 | PPM | INAA | |
| RB | 137 | PPM | INAA | |
| SR | 134 | PPM | INAA | |
| ZR | 246 | PPM | INAA | |
| SB | 0.93 | PPM | INAA | |
| CS | 8.41 | PPM | INAA | |
| BA | 712 | PPM | INAA | |
| LA | 21.6 | PPM | INAA | |
| CE | 43 | PPM | INAA | |
| ND | 20.6 | PPM | INAA | |
| SM | 4.68 | PPM | INAA | |
| EU | 0.833 | PPM | INAA | |
| GD | 4.39 | PPM | INAA | |
| TB | 0.777 | PPM | INAA | |
| DY | 4.87 | PPM | INAA | |
| TM | 0.56 | PPM | INAA | |
| YB | 3.49 | PPM | INAA | |
| LU | 0.544 | PPM | INAA | |
| HF | 6.67 | PPM | INAA | |
| TA | 0.922 | PPM | INAA | |
| TH | 14.3 | PPM | INAA | |
| U | 5.92 | PPM | INAA | |
| MN | 416 | PPM | INAA |