Sample 253
NavDat sample number 52830 · RHYOLITE
Sample
| Sample ID | 253 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5207 |
|---|---|
| Longitude | -121.7 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.383 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.2 | WT% | XRF | |
| AL2O3 | 13.6 | WT% | XRF | |
| FEOT | 1.26 | WT% | XRF | |
| MGO | 0.29 | WT% | XRF | |
| CAO | 0.85 | WT% | XRF | |
| NA2O | 3.94 | WT% | XRF | |
| K2O | 4.65 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| TOTAL | 99.49 | WT% | XRF | |
| LOI | 0.02 | WT% | XRF | |
| FEOT | 0.9 | WT% | WET | |
| H2O_PLUS | 0.2 | WT% | WET | |
| H2O_MINUS | 0.1 | WT% | WET | |
| CO2 | 0.01 | WT% | WET | |
| RB | 140 | PPM | XRF | |
| SR | 76 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 772 | PPM | XRF | |
| SC | 3.8 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 1.2 | PPM | INAA | |
| RB | 133 | PPM | INAA | |
| ZR | 165 | PPM | INAA | |
| SB | 1.37 | PPM | INAA | |
| CS | 7.95 | PPM | INAA | |
| BA | 760 | PPM | INAA | |
| LA | 23.9 | PPM | INAA | |
| CE | 47.5 | PPM | INAA | |
| ND | 19.2 | PPM | INAA | |
| SM | 4.59 | PPM | INAA | |
| EU | 0.435 | PPM | INAA | |
| GD | 3.59 | PPM | INAA | |
| TB | 0.635 | PPM | INAA | |
| DY | 4.07 | PPM | INAA | |
| TM | 0.47 | PPM | INAA | |
| YB | 2.97 | PPM | INAA | |
| LU | 0.465 | PPM | INAA | |
| HF | 4.94 | PPM | INAA | |
| TA | 0.968 | PPM | INAA | |
| TH | 13.3 | PPM | INAA | |
| U | 5.42 | PPM | INAA | |
| MN | 264 | PPM | INAA |